EMT 29 (Mod 8)

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1. Which of the following is a true statement regarding the skin’s status in the case of a closed chestinjury?
- D) The skin is not penetrated.
- C) The skin is penetrated.
- B) The skin may be penetrated and occluded.
- A) Internal contusions and lacerations cannot occur.

About This Quiz

Some wounds on an emergency will require dressing? How good are you as an EMT in this? It is important to know as much as you can. The quiz below helps in this and more related content. All the best.

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2.

2. Which of the following is a strategy to maintain an occlusive dressing to bloody or diaphoretic skin?
- B) Manually maintain pressure.
- A) Do not use occlusive dressings in this case.
- C) Do not use adhesive tape.
- D) Wrap the dressing circumferentially with gauze.
Correct Answer

A. B) Manually maintain pressure.

Explanation

Maintaining an occlusive dressing to bloody or diaphoretic skin can be challenging as the dressing may not adhere properly. In such cases, manually maintaining pressure by applying direct pressure with hands or using a pressure bandage can help ensure proper occlusion and prevent any leakage or contamination. This strategy is effective in controlling bleeding and promoting wound healing. The other options, such as not using occlusive dressings, not using adhesive tape, or wrapping the dressing with gauze, are not suitable strategies specifically for maintaining an occlusive dressing to bloody or diaphoretic skin.

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3.

3. Some drawbacks to using sterile aluminum foil as an occlusive dressing include:
- D) skin lacerations may occur from the sharp edges.
- C) foil cannot create an airtight seal.
- B) a flutter valve is difficult to create.
- A) sterility cannot be ensured unless the materials were autoclaved.
Correct Answer

A. D) skin lacerations may occur from the sharp edges.

Explanation

Sterile aluminum foil can potentially cause skin lacerations because of its sharp edges. This is a drawback to using it as an occlusive dressing. The sharp edges can cut or scrape the skin, leading to injuries or complications. It is important to consider this risk when using aluminum foil as a dressing material.

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4.

4. Which of the following is required in the management of all open soft-tissue injuries?
- B) The use of Standard Precautions by the EMT
- A) Provision of high-concentration oxygen to the patient
- C) Cervical spine precautions
- D) Application of a disinfectant solution during clean-up
Correct Answer

A. B) The use of Standard Precautions by the EMT

Explanation

The use of Standard Precautions by the EMT is required in the management of all open soft-tissue injuries. Standard Precautions are a set of infection control practices that healthcare providers follow to prevent the transmission of diseases. These precautions include hand hygiene, use of personal protective equipment (such as gloves and masks), safe handling and disposal of sharps, and proper cleaning and disinfection of equipment and surfaces. By following Standard Precautions, the EMT can minimize the risk of infection for both themselves and the patient.

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5.

5. In addition to lacerations, blunt trauma resulting in a closed chest injury creates the potential for whichof the following internal injuries?
- B) Contusion
- A) Abrasion
- C) Evisceration
- D) Avulsion
Correct Answer

A. B) Contusion

Explanation

Blunt trauma to the chest can cause a closed chest injury, which refers to damage to the internal structures of the chest without any external wounds or open injuries. In this case, the potential internal injury that can occur is a contusion. A contusion is a bruise, which is caused by blunt force trauma that damages the blood vessels beneath the skin, leading to discoloration and pain. Unlike an abrasion, which is a superficial wound on the skin, a contusion occurs internally and does not involve any external damage. Evisceration and avulsion are not relevant to closed chest injuries.

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6.

6. You are dispatched to a 42-year-old male who was shot in the abdomen and thrown from a vehicle. Thepatient is critical and a high-category trauma; however, due to the mechanism of illness, it is necessary tobackboard the patient prior to transport. What is an important assessment before securing the patient?
- B) Examining the patient for entrance and exit wounds
- A) Verifying trauma center ER bed availability
- C) Searching for presence of diaphoresis, tachycardia, and hypotension
- D) Performing a distal neurological assessment
Correct Answer

A. B) Examining the patient for entrance and exit wounds
7.

7. Which of the following is a vascular organ in the abdomen that can produce blood loss quickly enoughto result in life-threatening hemorrhage following high mechanism of injury blunt trauma?
- B) Liver
- A) Intestines
- C) Pancreas
- D) Kidneys
Correct Answer

A. B) Liver

Explanation

The liver is a vascular organ located in the abdomen. It has a rich blood supply and is susceptible to injury, especially in cases of high mechanism blunt trauma. When the liver is injured, it can lead to significant blood loss, which can be life-threatening if not addressed promptly. Therefore, the liver is the correct answer in this case.

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8.

8. You're an off-duty EMT who encounters a patient sitting behind the wheel of a vehicle that ran off theroad along an isolated county road. It appears the patient was unrestrained, or not wearing a seat belt, andstruck the steering wheel with his chest. On assessment, you notice a paradoxical motion to the patient'schest on inspiration and expiration. When you radio for dispatch of an ambulance, which of the followingpieces of information would you be sure to include?
- D) The patient may have a flail chest.
- C) The patient is showing signs of an open chest injury.
- B) The patient is showing signs of abdominal bleeding.
- A) The patient may have an abdominal evisceration.
Correct Answer

A. D) The patient may have a flail chest.

Explanation

The correct answer is D) The patient may have a flail chest. In this scenario, the patient's unrestrained position and impact with the steering wheel suggest a chest injury. The paradoxical motion of the chest on inspiration and expiration is a classic sign of flail chest, which occurs when multiple ribs are fractured in two or more places, causing a segment of the chest wall to become unstable. This can lead to impaired breathing and potential lung injury. Therefore, it is important to include this information when requesting an ambulance for the patient.

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9.

9. Which of the following BEST describes an evisceration?
- A) An open wound of the abdomen from which organs protrude
- B) A flap of skin that is partially or completely torn away from the underlying tissue
- C) An accumulation of blood beneath the skin, resulting in swelling
- D) The epidermis that is scraped away by a rough surface
Correct Answer

A. A) An open wound of the abdomen from which organs protrude

Explanation

An evisceration refers to an open wound of the abdomen from which organs protrude. This means that the abdominal cavity has been breached, causing the organs to come out of the body. It is a serious and potentially life-threatening condition that requires immediate medical attention.

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10.

10. Bleeding from open abdominal injuries should initially be controlled with which one of the followingtechniques?
- C) Applying direct pressure to the wound
- A) Packing the wound with rolled gauze
- B) Applying an occlusive dressing
- D) Applying an ice pack or chemical cold pack
Correct Answer

A. C) Applying direct pressure to the wound

Explanation

Applying direct pressure to the wound is the most effective technique for controlling bleeding from open abdominal injuries. Direct pressure helps to compress the blood vessels and stop the bleeding. This technique should be applied immediately to prevent further blood loss and stabilize the patient's condition. Packing the wound with rolled gauze, applying an occlusive dressing, and applying an ice pack or chemical cold pack are not appropriate techniques for controlling bleeding from open abdominal injuries.

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11.

11. Which of the following is NOT an open tissue injury?
- A) Contusion
- B) Evisceration
- C) Avulsion
- D) Abrasion
Correct Answer

A. A) Contusion

Explanation

A contusion is not an open tissue injury because it refers to a closed tissue injury where there is bleeding or bruising under the skin caused by blunt force trauma. In contrast, evisceration, avulsion, and abrasion are all examples of open tissue injuries where the skin is broken, exposing the underlying tissues.

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12.

12. A 36-year-old male was accidentally shot with a nail gun into the chest. You see the nail, whichprotrudes about 2 to 3 centimeters from the thorax, when you visualize the injury site. Under which of thefollowing circumstances should you remove the nail from the injury site?
- D) None of the above
- C) The patient begins to complain of shortness of breath.
- B) The patient develops a tension pneumothorax.
- A) Bleeding from the patient's wound is minimal.
Correct Answer

A. D) None of the above

Explanation

The correct answer is D) None of the above. None of the given circumstances indicate that the nail should be removed from the injury site. Removing the nail in these situations could potentially cause more harm and increase the risk of complications. It is important to stabilize the object and seek immediate medical attention for further evaluation and treatment.

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13.

13. Which of the following injuries does NOT produce distended neck veins?
- D) All of the answer choices may cause distended neck veins.
- C) Cardiac tamponade
- B) Tension pneumothorax
- A) Traumatic asphyxia
Correct Answer

A. D) All of the answer choices may cause distended neck veins.

Explanation

All of the answer choices may cause distended neck veins because they are all associated with conditions that can lead to increased pressure in the thoracic cavity. Cardiac tamponade occurs when fluid accumulates in the pericardial sac, compressing the heart and impairing its ability to pump blood effectively. Tension pneumothorax is a condition where air accumulates in the pleural space, causing the lung to collapse and putting pressure on the heart and great vessels. Traumatic asphyxia is a condition where severe compression of the chest leads to impaired venous return and increased pressure in the thoracic cavity. All of these conditions can result in distended neck veins.

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1
14.

14. Which of the following injuries requires the use of an occlusive dressing?
- D) All of the above
- C) An open wound to the abdomen from which a loop of intestine is protruding
- B) An open wound to the neck
- A) An open wound to the chest
Correct Answer

A. D) All of the above

Explanation

An occlusive dressing is a type of dressing that is used to create an airtight seal over a wound. This is necessary in certain injuries to prevent air or fluid from entering or exiting the wound, which can be life-threatening. All of the injuries listed in the options (open wound to the abdomen, open wound to the neck, open wound to the chest) can potentially benefit from the use of an occlusive dressing to create a seal and protect the wound. Therefore, the correct answer is D) All of the above.

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15.

15. Which of the following is an unreliable sign for determining the presence of a tension pneumothorax?
- D) Trachea that shifts to the side opposite the injury
- C) Shortness of breath
- B) Signs and symptoms of shock
- A) Distended neck veins
Correct Answer

A. D) Trachea that shifts to the side opposite the injury

Explanation

A trachea that shifts to the side opposite the injury is an unreliable sign for determining the presence of a tension pneumothorax. Tension pneumothorax is a life-threatening condition where air accumulates in the pleural space, causing the lung to collapse and putting pressure on the heart and other structures in the chest. This can lead to a shift in the trachea towards the affected side due to the increased pressure. However, in some cases, the trachea may not shift or may shift in the opposite direction due to other factors such as anatomical variations or the position of the patient. Therefore, relying solely on tracheal shift as a sign of tension pneumothorax may lead to misdiagnosis or delayed treatment.

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16.

16. Which of the following describes the proper application of an occlusive dressing for an open chestwound?
- C) Tape the dressing securely on three sides.
- D) None of the above
- B) Use a porous material such as a 4" by 4" gauze pad.
- A) Trim the dressing so that it is the exact size of the wound.
Correct Answer

A. C) Tape the dressing securely on three sides.

Explanation

The proper application of an occlusive dressing for an open chest wound is to tape the dressing securely on three sides. This is done to create a seal over the wound, preventing air from entering the chest cavity and causing a pneumothorax. Taping the dressing on three sides allows for the release of any excess air or fluid that may accumulate in the wound, while still maintaining a secure seal. Using a porous material such as a 4" by 4" gauze pad or trimming the dressing to the exact size of the wound would not provide the necessary occlusion and could lead to complications.

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17.

17. For which of the following wounds should the EMT apply an absorbent dressing moistened withsterile saline and then cover it with an occlusive dressing?
- A) A gunshot wound to the abdomen from which a loop of intestine is protruding
- B) A stab wound to the chest
- C) A laceration to the neck
- D) The stump of an amputated extremity
Correct Answer

A. A) A gunshot wound to the abdomen from which a loop of intestine is protruding

Explanation

The EMT should apply an absorbent dressing moistened with sterile saline and then cover it with an occlusive dressing for a gunshot wound to the abdomen from which a loop of intestine is protruding. This is because the moistened absorbent dressing will help prevent the exposed intestine from drying out and becoming further damaged, while the occlusive dressing will create a seal to protect the wound from outside contaminants and reduce the risk of infection.

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18.

18. The pathophysiology of _________ is one in which the pericardial sac fills with blood to the pointwhere the chambers of the heart no longer fill adequately, usually secondary to trauma.
- C) cardiac tamponade
- D) commotio cordis
- B) hemopneumothorax
- A) pericardial effusion
Correct Answer

A. C) cardiac tamponade

Explanation

Cardiac tamponade is a condition in which the pericardial sac, which surrounds the heart, fills with blood to the point where it puts pressure on the chambers of the heart, preventing them from filling properly. This condition is typically caused by trauma, such as a penetrating injury or a rupture of a blood vessel in the heart. The accumulation of blood in the pericardial sac can lead to a decrease in cardiac output and potentially life-threatening complications.

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19.

19. Which of the following traumatic chest injuries may result in massive, often fatal internalhemorrhage?
- C) Aortic dissection
- A) Hemopneumothorax
- B) Hemothorax
- D) Cardiac tamponade
Correct Answer

A. C) Aortic dissection

Explanation

Aortic dissection is a traumatic chest injury that can result in massive, often fatal internal hemorrhage. Aortic dissection occurs when there is a tear in the inner lining of the aorta, causing blood to flow between the layers of the vessel wall. This can lead to significant bleeding and can be life-threatening if not treated promptly. Hemopneumothorax, hemothorax, and cardiac tamponade are also traumatic chest injuries, but they do not specifically involve the aorta and are less likely to cause massive internal hemorrhage.

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20.

20. You are on an EMS standby for a boxing tournament. During one of the matches, one of the femaleboxers delivers a forcible uppercut to the chest of her opponent, who falls to the ground. The match isdeclared over on the basis of a TKO. However, the opponent fails to arise following a 1–2 minuteinterval. EMS is summoned to the ring. You find the patient pulseless and breathing agonal gasps. Yoususpect which of the following traumatic conditions?
- D) Commotio cordis
- C) Tension pneumothorax
- B) Aortic dissection
- A) Cardiac tamponade
Correct Answer

A. D) Commotio cordis
21.

21. While palpating the radial pulses of a patient who was involved in a motor vehicle crash, you notice adifference in the strength of the pulses bilaterally. This is a finding that you suspect may be associatedwith:
- A) aortic dissection.
- B) tension pneumothorax.
- D) flail chest.
- C) commotio cordis.
Correct Answer

A. A) aortic dissection.

Explanation

When palpating the radial pulses, if there is a difference in strength between the pulses on both sides of the body, it may indicate aortic dissection. Aortic dissection is a serious condition where there is a tear in the inner layer of the aorta, causing blood to flow between the layers and potentially leading to aortic rupture. This can result in decreased blood flow to certain areas of the body, including the arms, causing a difference in pulse strength. Tension pneumothorax, flail chest, and commotio cordis would not typically cause a difference in pulse strength.

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22.

22. Common signs and symptoms following an injury to a hollow abdominal organ include:
- B) irritation and peritonitis.
- A) increasing intrathoracic pressures.
- C) massive hemorrhage.
- D) absence of unilateral pulses.
Correct Answer

A. B) irritation and peritonitis.

Explanation

Following an injury to a hollow abdominal organ, common signs and symptoms include irritation and peritonitis. Irritation refers to the inflammation or stimulation of the organ, leading to pain and discomfort. Peritonitis is the inflammation of the peritoneum, the lining of the abdominal cavity, which can result from the injury and cause symptoms such as abdominal pain, tenderness, and fever. These signs and symptoms indicate a potential injury to a hollow abdominal organ and the resulting inflammatory response.

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23.

23. Which of the following patients is at greatest risk of respiratory failure and should be carefullymonitored for ventilatory status throughout treatment and transport?
- A) Tension pneumothorax
- B) Flail chest
- C) Abdominal evisceration
- D) Hemopneumothorax
Correct Answer

A. A) Tension pneumothorax

Explanation

A patient with tension pneumothorax is at the greatest risk of respiratory failure and should be carefully monitored for ventilatory status throughout treatment and transport. Tension pneumothorax occurs when air accumulates in the pleural space, causing the lung to collapse and putting pressure on the heart and great vessels. This can lead to compromised respiratory function and potentially result in respiratory failure. Therefore, close monitoring of the patient's ventilatory status is crucial to ensure prompt intervention and prevent further complications.

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24.

24. Which of the following types of bandages should NOT be used by the EMT providing wound care?
- B) Tourniquet
- A) Self-adherent roller gauze
- C) A triangular bandage
- D) Adhesive tape
Correct Answer

A. B) Tourniquet

Explanation

A tourniquet should not be used by the EMT providing wound care because it is a device used to stop severe bleeding by applying pressure to a limb, which can cause tissue damage and potentially lead to limb loss if left on for too long. The EMT should instead use self-adherent roller gauze, a triangular bandage, or adhesive tape to secure and protect the wound.

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1
25.

25. Which of the following is a desirable characteristic of dressings used in the prehospital managementof most open wounds?
- B) Sterile
- A) Nonabsorbent
- C) Occlusive
- D) Adherent
Correct Answer

A. B) Sterile

Explanation

Sterile dressings are a desirable characteristic for dressings used in prehospital management of open wounds because they help prevent infection by providing a clean environment for the wound to heal. Sterile dressings are free from microorganisms and contaminants, reducing the risk of introducing harmful bacteria into the wound. This promotes proper wound healing and reduces the chances of complications such as infection.

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26.

26. You are caring for a 27-year-old male who has a puncture wound to the right upper chest. The patientwas stabbed with a serrated steak knife by his ex-girlfriend. You have placed an occlusive dressing to thesite and began emergent transport to the closest trauma center. However, while en route the patient beginsto complain of increasing shortness of breath. You notice a decrease in ventilatory volume and anincrease in thoracic diameter. Which of the following options would be the best step to perform next?
- A) Free a corner or edge of the dressing to release pressure buildup.
- B) Begin providing BVM-assisted ventilations to the patient.
- C) Call dispatch for an ALS intercept en route to the hospital.
- D) Begin providing CPR to the patient.
Correct Answer

A. A) Free a corner or edge of the dressing to release pressure buildup.

Explanation

The correct answer is A) Free a corner or edge of the dressing to release pressure buildup. In this scenario, the patient is experiencing signs of tension pneumothorax, which occurs when air accumulates in the pleural space and causes a buildup of pressure, leading to a decrease in ventilatory volume and an increase in thoracic diameter. By freeing a corner or edge of the occlusive dressing, the pressure can be released, allowing the lung to expand and improving the patient's breathing. This is the most appropriate step to take before considering other interventions such as providing BVM-assisted ventilations or initiating CPR.

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27.

27. Your patient is a 55-year-old male who was found in the parking lot behind a tavern. He states that hewas assaulted and robbed by three individuals. He is complaining of being "hit in the face and kicked andpunched in his ribs and stomach." Your examination reveals contusions and swelling around both eyes,bleeding from the nose, a laceration of his upper lip, and multiple contusions of the chest, abdomen, andflanks. Which of the following should cause the greatest concern regarding the prehospital care of thispatient?
- C) The possibility of a pneumothorax
- A) The presence of any defensive wounds the patient may have sustained
- B) Getting a description of the assailants
- D) Reducing the swelling around his eyes by applying a cold pack
Correct Answer

A. C) The possibility of a pneumothorax

Explanation

The presence of contusions and swelling around both eyes, bleeding from the nose, and multiple contusions of the chest, abdomen, and flanks indicate a high likelihood of internal injuries, including the possibility of a pneumothorax. A pneumothorax is a potentially life-threatening condition where air accumulates in the pleural space, causing a lung to collapse. It requires immediate medical attention, and prehospital care should prioritize assessing and managing this potential injury to ensure the patient's safety and well-being.

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28.

28. Which of the following is NOT appropriate in caring for a patient with closed soft-tissue injuries anda significant mechanism of injury?
- D) All of the answer choices are appropriate.
- C) Splint any swollen, deformed extremities.
- B) Anticipate vomiting.
- A) Treat for shock if you think there are internal injuries even if the patient's vital signs are normal.
Correct Answer

A. D) All of the answer choices are appropriate.

Explanation

The correct answer is D) All of the answer choices are appropriate. This means that all of the answer choices listed (A, B, and C) are appropriate in caring for a patient with closed soft-tissue injuries and a significant mechanism of injury. This implies that it is important to splint any swollen, deformed extremities, anticipate vomiting, and treat for shock if there are internal injuries, even if the patient's vital signs are normal.

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29.

29. Which of the following is true concerning lacerations?
- D) All of the above
- C) They may indicate deeper underlying tissue damage.
- B) They may be caused by penetrating trauma.
- A) They may be caused by blunt trauma.
Correct Answer

A. D) All of the above

Explanation

The correct answer is D) All of the above. This means that all of the statements A, B, and C are true concerning lacerations. Lacerations may be caused by blunt trauma, penetrating trauma, and they may also indicate deeper underlying tissue damage.

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30.

30. Which of the following is of concern with a puncture wound?
- D) All of the above
- C) Hidden internal bleeding with minimal external bleeding
- B) The strong possibility of contamination
- A) The object that remains impaled in the body
Correct Answer

A. D) All of the above

Explanation

A puncture wound is a type of injury that occurs when a sharp object, such as a nail or needle, penetrates the skin. It can be of concern for several reasons. Firstly, there may be hidden internal bleeding with minimal external bleeding, which can be dangerous as it may not be immediately evident. Secondly, there is a strong possibility of contamination, as the object that caused the puncture may introduce bacteria or other harmful substances into the body. Lastly, the object itself may remain impaled in the body, which can cause further damage and complications. Therefore, all of the above options are valid concerns with a puncture wound.

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31.

31. Which of the following is an accurate definition of a flail chest?
- B) A section of the chest wall that is unstable, leading to breathing problems
- A) A lung that has been punctured by a fractured rib, resulting in a buildup of air
- C) The fracture of one rib in two or more consecutive places
- D) The fracture of at least four ribs in two or more places
Correct Answer

A. B) A section of the chest wall that is unstable, leading to breathing problems

Explanation

A flail chest is a condition where a section of the chest wall becomes unstable due to multiple rib fractures. This instability can lead to breathing problems as the affected area moves paradoxically during respiration. The answer accurately describes this definition of a flail chest.

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32.

32. What is the underlying cause of bluish or reddish facial discoloration following a traumaticasphyxiation?
- A) High pressure on the chest leads to blood being forced from the right atrium into the face and neck.
- B) The patient has become hypoxic due to a chest injury and the finding suggests central cyanosis.
- C) The physiological strain of the body results in a flushed appearance and increased risk of a hypertensive event.
- D) Bluish or reddish facial discoloration is not associated with traumatic asphyxiation; a pale discoloration is usually present
Correct Answer

A. A) High pressure on the chest leads to blood being forced from the right atrium into the face and neck.

Explanation

Traumatic asphyxiation occurs when there is high pressure on the chest, causing blood to be forced from the right atrium into the face and neck. This leads to bluish or reddish facial discoloration. This explanation directly connects the cause of the discoloration to the high pressure on the chest, without any additional information or statements.

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33.

33. On assessment of the midsection of a 32-year-old male who was struck by a car, you find anabdominal evisceration with several loops of his large intestine exposed. The abdomen appears to have aclean-cut laceration and the bleeding is controlled. Which of the following is the BEST approach towardmanaging the exposed intestines?
- A) Moisten a sterile dressing with saline solution and cover the abdominal contents.
- B) Gently replace the intestines after moistening with sterile saline solution.
- C) Leave the abdominal contents in the place in which they were found and transport immediately.
- D) Cover the abdomen with an occlusive dressing of aluminum foil.
Correct Answer

A. A) Moisten a sterile dressing with saline solution and cover the abdominal contents.

Explanation

The best approach toward managing the exposed intestines in this situation is to moisten a sterile dressing with saline solution and cover the abdominal contents. This helps to prevent further contamination and dehydration of the exposed intestines. Additionally, covering the abdominal contents helps to protect them from further injury and minimizes the risk of infection.

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34.

34. Your patient is a 21-year-old male who has a gunshot wound to the chest. Which of the following isthe highest priority in managing this patient?
- D) Placing an occlusive dressing over the wound
- C) Placing a pressure dressing over the wound to control bleeding
- B) Performing a rapid trauma assessment
- A) Placing the patient in the shock position
Correct Answer

A. D) Placing an occlusive dressing over the wound

Explanation

Placing an occlusive dressing over the wound is the highest priority in managing this patient because it helps to seal the wound and prevent air from entering the chest cavity. This is crucial in cases of gunshot wounds to the chest as it can lead to a tension pneumothorax, a life-threatening condition where air accumulates in the pleural space and compresses the lungs. By placing an occlusive dressing, it creates a seal that allows for the release of air while preventing further entry, helping to stabilize the patient's condition and prevent further complications.

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35.

35. Which of the following BEST describes the benefit of a three-sided occlusive dressing over a foursidedocclusive dressing for an open chest wound?
- D) It reduces the chances of developing a tension pneumothorax.
- C) It allows easy access for re-examination of the wound en route to the hospital.
- B) It prevents the development of a hemothorax by allowing blood to escape.
- A) It eliminates the need to continue monitoring the patient's respiratory status.
Correct Answer

A. D) It reduces the chances of developing a tension pneumothorax.

Explanation

A three-sided occlusive dressing is preferred over a four-sided occlusive dressing for an open chest wound because it allows for the release of air and prevents the development of a tension pneumothorax. By leaving one side of the dressing open, any accumulated air or pressure can escape, reducing the risk of a potentially life-threatening condition. This allows for better management of the wound and reduces the chances of further complications.

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36.

36. The mechanism of injury in which a patient's chest has struck an immovable object, such as a steeringwheel, may most accurately be described as a:
- B) compression injury.
- C) penetrating injury.
- A) blunt trauma injury.
- D) coup contrecoup injury.
Correct Answer

A. B) compression injury.

Explanation

A compression injury occurs when a patient's chest strikes an immovable object, causing the chest to be compressed. This can result in damage to the internal organs, such as the lungs and heart, due to the force exerted on them. The term "compression" accurately describes the mechanism of injury in this scenario, as the chest is being compressed against the object.

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37.

37. The chest cavity can hold up to ________ liter(s) in an adult, leading to the possibility of massiveinternal hemorrhage without any external blood loss.
- A) 3
- B) 5
- C) 0.5
- D) 1
Correct Answer

A. A) 3

Explanation

The chest cavity can hold up to 3 liters in an adult, which means that a massive internal hemorrhage can occur without any external blood loss. This is because the chest cavity provides a large space for blood to accumulate, leading to potentially life-threatening situations.

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38.

38. You are stabilizing a patient who has just been stabbed in the chest to the right of the mediastinum.After placing the patient on supplemental oxygen, his shortness of breath resolves. You also cover thewound with an occlusive dressing. The patient is asymptomatic at the time you're making the decision totransport. Which of the following BEST encapsulates the correct strategy for transport?
- B) Transport the patient emergently because of the high index of suspicion for a serious injury.
- A) The patient does not necessarily need transport, so allow him to refuse if he wants.
- C) Begin transport non-emergently and upgrade if the patient’s condition deteriorates.
- D) Transport the patient non-emergently because he's complaint free.
Correct Answer

A. B) Transport the patient emergently because of the high index of suspicion for a serious injury.

Explanation

The correct strategy for transport in this scenario is to transport the patient emergently because of the high index of suspicion for a serious injury. Even though the patient is currently asymptomatic, being stabbed in the chest is a potentially life-threatening injury. The high index of suspicion indicates that there may be underlying damage that could worsen over time. It is important to transport the patient to a medical facility as soon as possible for further evaluation and treatment to ensure the best possible outcome.

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39.

39. What is the correct terminology for a wound in which a vacuum has been created within the chest,drawing air into the thorax with each breath?
- A) A sucking chest wound
- B) A closed tension pneumothorax
- C) An open chest wound
- D) A gurgling chest wound
Correct Answer

A. A) A sucking chest wound

Explanation

A sucking chest wound is the correct terminology for a wound in which a vacuum has been created within the chest, drawing air into the thorax with each breath. This type of wound occurs when the chest wall is punctured, allowing air to enter the pleural space. The negative pressure within the chest causes air to be sucked in through the wound, leading to symptoms such as difficulty breathing and a sucking sound with each breath. Prompt medical attention is required to treat this type of wound and prevent further complications.

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40.

40. A patient with jugular vein distention is most likely suffering from which of the following injuries?
- D) Tension pneumothorax
- C) Hemopneumothorax
- B) Hemothorax
- A) Pneumothorax
Correct Answer

A. D) Tension pneumothorax

Explanation

A patient with jugular vein distention is most likely suffering from a tension pneumothorax. This condition occurs when air accumulates in the pleural space, causing the lung to collapse and putting pressure on the heart and great vessels. This increased pressure can lead to distention of the jugular veins, as they are unable to efficiently return blood to the heart. Other injuries listed, such as hemopneumothorax, hemothorax, and pneumothorax, may cause different symptoms but would not typically result in jugular vein distention.

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41.

41. Your patient was working on a car when it fell off the jack and trapped him between the tire andground. His face is very blue and his eyes are bloodshot. Which of the following has the patient mostlikely suffered?
- B) Traumatic asphyxia
- A) Hemothorax
- C) Pneumothorax
- D) Flail chest
Correct Answer

A. B) Traumatic asphyxia

Explanation

The patient in this scenario has a blue face and bloodshot eyes, which are characteristic symptoms of traumatic asphyxia. Traumatic asphyxia occurs when there is a sudden and severe compression of the chest, leading to a rapid increase in pressure within the thoracic cavity. This can cause blood to back up into the veins of the head and neck, resulting in a bluish discoloration of the face and bloodshot eyes. Hemothorax, pneumothorax, and flail chest are all conditions that involve injury to the chest, but they do not typically present with the specific symptoms described in the scenario.

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EMT 29 (Mod 8)

1. Which of the following is a true statement regarding the skin’s status in the case of a closed chestinjury?

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2. Which of the following is a strategy to maintain an occlusive dressing to bloody or diaphoretic skin?

3. Some drawbacks to using sterile aluminum foil as an occlusive dressing include:

4. Which of the following is required in the management of all open soft-tissue injuries?

5. In addition to lacerations, blunt trauma resulting in a closed chest injury creates the potential for whichof the following internal injuries?

7. Which of the following is a vascular organ in the abdomen that can produce blood loss quickly enoughto result in life-threatening hemorrhage following high mechanism of injury blunt trauma?

9. Which of the following BEST describes an evisceration?

10. Bleeding from open abdominal injuries should initially be controlled with which one of the followingtechniques?

11. Which of the following is NOT an open tissue injury?

12. A 36-year-old male was accidentally shot with a nail gun into the chest. You see the nail, whichprotrudes about 2 to 3 centimeters from the thorax, when you visualize the injury site. Under which of thefollowing circumstances should you remove the nail from the injury site?

13. Which of the following injuries does NOT produce distended neck veins?

14. Which of the following injuries requires the use of an occlusive dressing?

15. Which of the following is an unreliable sign for determining the presence of a tension pneumothorax?

16. Which of the following describes the proper application of an occlusive dressing for an open chestwound?

17. For which of the following wounds should the EMT apply an absorbent dressing moistened withsterile saline and then cover it with an occlusive dressing?

18. The pathophysiology of _________ is one in which the pericardial sac fills with blood to the pointwhere the chambers of the heart no longer fill adequately, usually secondary to trauma.

19. Which of the following traumatic chest injuries may result in massive, often fatal internalhemorrhage?

21. While palpating the radial pulses of a patient who was involved in a motor vehicle crash, you notice adifference in the strength of the pulses bilaterally. This is a finding that you suspect may be associatedwith:

22. Common signs and symptoms following an injury to a hollow abdominal organ include:

23. Which of the following patients is at greatest risk of respiratory failure and should be carefullymonitored for ventilatory status throughout treatment and transport?

24. Which of the following types of bandages should NOT be used by the EMT providing wound care?

25. Which of the following is a desirable characteristic of dressings used in the prehospital managementof most open wounds?

28. Which of the following is NOT appropriate in caring for a patient with closed soft-tissue injuries anda significant mechanism of injury?

29. Which of the following is true concerning lacerations?

30. Which of the following is of concern with a puncture wound?

31. Which of the following is an accurate definition of a flail chest?

32. What is the underlying cause of bluish or reddish facial discoloration following a traumaticasphyxiation?

34. Your patient is a 21-year-old male who has a gunshot wound to the chest. Which of the following isthe highest priority in managing this patient?

35. Which of the following BEST describes the benefit of a three-sided occlusive dressing over a foursidedocclusive dressing for an open chest wound?

36. The mechanism of injury in which a patient's chest has struck an immovable object, such as a steeringwheel, may most accurately be described as a:

37. The chest cavity can hold up to ________ liter(s) in an adult, leading to the possibility of massiveinternal hemorrhage without any external blood loss.

39. What is the correct terminology for a wound in which a vacuum has been created within the chest,drawing air into the thorax with each breath?

40. A patient with jugular vein distention is most likely suffering from which of the following injuries?

41. Your patient was working on a car when it fell off the jack and trapped him between the tire andground. His face is very blue and his eyes are bloodshot. Which of the following has the patient mostlikely suffered?