Shock And Sepsis

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| By Dolatahera19
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Dolatahera19
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Quizzes Created: 4 | Total Attempts: 16,908
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  • 1/29 Questions

    Shock is a clinical syndrome that results from inadequate tissue perfusion

    • True
    • False
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About This Quiz

This quiz on 'Shock and Sepsis' evaluates understanding of shock as a clinical syndrome, differentiates types of shock, and emphasizes the urgency in treating shock to prevent organ failure. It's crucial for learners in healthcare, particularly those focusing on emergency and critical care.

Shock And Sepsis - Quiz

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  • 2. 

    In distributive shock, a decrease in peripheral resistance is seen resulting in low blood pressure

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In distributive shock, there is a decrease in peripheral resistance, which refers to the resistance to blood flow in the blood vessels outside of the heart. This decrease in resistance causes the blood vessels to dilate, leading to an increase in the diameter of the blood vessels and a decrease in blood pressure. Consequently, low blood pressure is observed in distributive shock.

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  • 3. 

    Disruption of ion pumps, cell membrane breakdown are often associated with shock

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Disruption of ion pumps and cell membrane breakdown are common occurrences in cases of shock. Shock is a condition where the body's organs and tissues do not receive enough blood flow and oxygen, leading to various physiological imbalances. The disruption of ion pumps, which regulate the movement of ions across cell membranes, can result in an imbalance of electrolytes and impaired cellular function. Additionally, cell membrane breakdown can lead to the release of intracellular contents, causing further damage and inflammation. Therefore, it is true that these disruptions are often associated with shock.

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  • 4. 

    This kind of shock is absolute deficiency in intravascular blood volume

    • Obstructive

    • Hypovolumic

    • Cardiogenic

    Correct Answer
    A. Hypovolumic
    Explanation
    DECREASE PRELOAD -> decrease SV -> decrease CO -> decrease O2 delivery

    Rehydration is often impeded by concurrent vomiting, and deterioration may be rapid
    Rapid loss of intravascular volume reduces ventricular preload
    → decreased stroke volume and cardiac output
    → decreased oxygen delivery

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  • 5. 

    If C.O fall too low, then BP cannot be maintain by raising SVR any more

    • True

    • False

    Correct Answer
    A. True
    Explanation
    If the cardiac output (C.O) falls too low, it means that the amount of blood being pumped by the heart per minute is insufficient. In order to compensate for this, the body tries to raise the systemic vascular resistance (SVR) to maintain blood pressure (BP). However, if the C.O is already too low, increasing the SVR further will not be able to maintain the blood pressure anymore. Therefore, the statement is true.

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  • 6. 

    Inadequate perfusion often leads to a decrease in pH

    • True

    • False

    Correct Answer
    A. True
    Explanation
    lactic acid buildup due to aneirobic metabolism
    then you see cell membrane disruption and failure of Na pump, more -->influx of Na, and efflux of K, also vasoconstriction leading to peripheral ppooling of blood

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  • 7. 

    With the extreme increase of SVR, it is highly possible to see organ failure

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Constriction of arterioles leads to reductions in number of capillary beds that are perfused
    Limits the surface area across which filtration occurs
    Results in a derangement of cellular metabolism & ultimately organ failure

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  • 8. 

    What should be done once the ABC's has been performed?

    • Improve circulation and systemic oxygen

    • Antibiotic if sepsis had occured

    • Nothing

    • Close monitoring of vital signs

    • All of the above except C

    Correct Answer
    A. All of the above except C
    Explanation
    Once the ABC's (Airway, Breathing, Circulation) have been performed, several actions should be taken. These include improving circulation and systemic oxygen, administering antibiotics if sepsis had occurred, and close monitoring of vital signs. These actions are necessary to ensure the patient's overall well-being and to address any potential complications that may have arisen.

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  • 9. 

    What does DO2 refer to?h

    • Amount of O2 delivered to tissues of the body per minute

    • Amount of oxygen in blood

    • Cardiac output

    Correct Answer
    A. Amount of O2 delivered to tissues of the body per minute
    Explanation
    DO2= CaO2 * CO

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  • 10. 

    Which of the following describes treatment of shock?

    • Airway, breathing, circulation

    • Circulation, antibiotic, breathing

    • Drugs, airway, breathing

    Correct Answer
    A. Airway, breathing, circulation
    Explanation
    breathing- ventilation adequate O2 delivery
    circulation- feel for carotid pulse, femoral, brachial

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  • 11. 

    Systemic venous reristance depends on

    • Mean arterial pressure

    • Central venous pressure

    • Cardiac output

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Systemic venous resistance refers to the resistance to blood flow in the systemic veins. It depends on various factors, including mean arterial pressure, central venous pressure, and cardiac output. Mean arterial pressure represents the average pressure in the arteries during one cardiac cycle, central venous pressure represents the pressure in the right atrium, and cardiac output represents the volume of blood pumped by the heart per unit of time. All of these factors contribute to the overall resistance in the systemic venous system.

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  • 12. 

    What happens to a pt's heart rate once their cardiac output drops?

    • Increases

    • Decreases

    • Stays the same

    Correct Answer
    A. Increases
    Explanation
    CO= SV. HR

    HR increases as a compensation

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  • 13. 

    SVR is determined by luminal diameter of the arterioles

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the luminal diameter of the arterioles plays a crucial role in determining the systemic vascular resistance (SVR). Arterioles are small blood vessels that regulate blood flow and control the resistance to blood flow. When the diameter of arterioles decreases, the resistance to blood flow increases, leading to an increase in SVR. Conversely, when the diameter of arterioles increases, the resistance to blood flow decreases, resulting in a decrease in SVR. Therefore, the luminal diameter of the arterioles directly affects SVR.

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  • 14. 

    Which describes CO?

    • HR*SV

    • Preload*afterload

    • HR*preload

    Correct Answer
    A. HR*SV
    Explanation
    The correct answer is HR*SV because it represents the relationship between heart rate (HR) and stroke volume (SV). HR refers to the number of times the heart beats per minute, while SV refers to the volume of blood pumped out by the heart with each beat. Multiplying HR and SV gives the cardiac output (CO), which is the total volume of blood pumped by the heart in one minute. Therefore, HR*SV accurately describes CO.

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  • 15. 

    In what kind of shock won't giving fluid won't help?

    • Hypovolemic shock

    • Sepsis

    • Obstructive shock

    Correct Answer
    A. Obstructive shock
    Explanation
    surgery is required because something is obstructed

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  • 16. 

    SIRS is not always related to infection whereas sepsis is.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    SIRS stands for Systemic Inflammatory Response Syndrome, which is a clinical condition characterized by widespread inflammation in the body. It can be caused by various factors, including infection, trauma, or other inflammatory conditions. On the other hand, sepsis is a severe form of infection that can lead to organ dysfunction. While sepsis is always related to infection, SIRS can occur without an infection being present. Therefore, the statement that SIRS is not always related to infection whereas sepsis is, is true.

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  • 17. 

    Which of the following are causes of hypovolemic shock?

    • Gastroenteritis

    • Burns (skin traps moisture)

    • Trauma

    • Surgery

    • Interstitial loss such as ascites, sepsis, burns

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "all of the above". Hypovolemic shock is caused by a decrease in blood volume, leading to inadequate tissue perfusion. Gastroenteritis, burns, trauma, surgery, and interstitial loss such as ascites, sepsis, and burns can all result in fluid loss and contribute to hypovolemic shock.

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  • 18. 

    Which of the following describes cycle of shock?

    • Increase oxygen delivery, increase oxygen need, cellular injury, release of inflammatory materials, functional and structural change to the vasculature, hypoperfusion, decrease delivery of O2

    • Decrease oxygen delivery, increase oxygen need, cellular injury, release of inflammatory materials, functional and structural change to the vasculature, hypoperfusion, decrease delivery of O2

    • Decrease oxygen delivery, increase oxygen need, inflammatory materials released, cellular injury, functional and structural change to the vasculature, hypoperfusion, decrease delivery of O2

    Correct Answer
    A. Decrease oxygen delivery, increase oxygen need, cellular injury, release of inflammatory materials, functional and structural change to the vasculature, hypoperfusion, decrease delivery of O2
    Explanation
    The cycle of shock begins with a decrease in oxygen delivery, which leads to an increase in the body's need for oxygen. This mismatch between oxygen supply and demand results in cellular injury. As a response to the injury, inflammatory materials are released, causing functional and structural changes to the blood vessels. These changes further contribute to hypoperfusion, or inadequate blood flow, which ultimately leads to a decrease in the delivery of oxygen.

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  • 19. 

    Which of the following shock is when pheripheral vascular tone becomes inappropriately relaxed?

    • Hypovolemic

    • Cardiogenic

    • Distributive

    Correct Answer
    A. Distributive
    Explanation
    veins and arteries become floppy and pool blood
    this is a relative hypovolemic shock even though no blood is lost
    vasodilation occurs which results in increase venous capacitance

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  • 20. 

    Delay in recognizing and quickly treating shock results in a progression from compensated reversible shock to widespread multiple system organ failure but not death

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Delay in recognizing and quickly treating shock can indeed lead to a progression from compensated reversible shock to widespread multiple system organ failure. However, it is important to note that if left untreated, this can ultimately lead to death. Therefore, the statement that delay in treating shock does not result in death is false.

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  • 21. 

    IHD can cause which of the following shock?

    • Cardiogenic shock

    • Hypovolemic

    • Obstructive

    Correct Answer
    A. Cardiogenic shock
    Explanation
    impairment of cardiac contractility

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  • 22. 

    There is a inverse relationship between SVR and

    Correct Answer
    CO
    Explanation
    when CO drops SVR rises to maintain the blood pressure so that the heart and brain is perfused

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  • 23. 

    Physical obstruction of the great vessels or the heart itself describes which of the following shock?

    • Cardiogenic

    • Hypovolumic

    • Obstructive

    • Distributive

    Correct Answer
    A. Obstructive
    Explanation
    Obstructive shock is characterized by physical obstruction of the great vessels or the heart itself. This can occur due to conditions such as pulmonary embolism, cardiac tamponade, or tension pneumothorax. These obstructions prevent proper blood flow and can lead to inadequate oxygen supply to the body's tissues, resulting in shock. Therefore, the correct answer is obstructive.

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  • 24. 

    What initially happend to pt if they have a severe hemorrhage?

    • Decrease in CO

    • Increase in CO

    • Increase in contractiility

    Correct Answer
    A. Decrease in CO
    Explanation
    decrease in preload= hemorrhage
    that will decrease SV, and that will decrease CO

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  • 25. 

    When MAP drops below ___ heart and brain begins to fail

    • 40

    • 50

    • 60

    Correct Answer
    A. 60
    Explanation
    Autoregulation = maintenance of blood flow over a wide range of perfusion pressures but when it falls below 60 it can't regulate it any longer

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  • 26. 

    What is the difference between hypoxic shock and ischemic shock?

    • Nothing, they can be used interchangeably

    • Ischemic shock is absolute lack of O2 delivery, and hypoxic shock is not enough glucose or O2

    • Hypoxic shock is absolute lack of O2 delivery, and ischemic shock is not enough glucose or O2

    Correct Answer
    A. Hypoxic shock is absolute lack of O2 delivery, and ischemic shock is not enough glucose or O2
    Explanation
    Hypoxic shock refers to a state where there is an absolute lack of oxygen delivery to the tissues. This means that the tissues are not receiving enough oxygen to function properly. On the other hand, ischemic shock is a condition where there is not enough glucose or oxygen reaching the tissues. While both conditions involve insufficient oxygen or glucose supply, the key difference lies in the absolute lack of oxygen delivery in hypoxic shock, whereas ischemic shock involves inadequate delivery of both oxygen and glucose. Therefore, the correct answer is that hypoxic shock is an absolute lack of oxygen delivery, while ischemic shock is not enough glucose or oxygen.

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  • 27. 

    All of the following are examples of distributive shock except

    • Drugs that cause vasodilation

    • Hemorrhage

    • Sepsis

    • Anaphylaxix-vasodilation

    • Head injury

    Correct Answer
    A. Hemorrhage
    Explanation
    Distributive shock is a condition characterized by widespread vasodilation, which leads to a decrease in blood pressure and inadequate tissue perfusion. Hemorrhage, sepsis, anaphylaxis-vasodilation, and drugs that cause vasodilation are all examples of conditions that can cause distributive shock. However, head injury does not directly cause vasodilation and is not typically associated with distributive shock.

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  • 28. 

    Sepsis produces what kind of shock?

    • Hypovolemic

    • Septic

    • Cardiogenic

    • Distributive

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Sepsis = systemic inflammatory response triggered by the presence of infectious agents or their toxins
    massive NO release-->vasodilation (distributive_
    Sepsis may disrupt capillary integrity → intravascular fluid leak into tissue third spaces → hypovolemic effect
    Many different circulating toxins & inflammatory mediators can depress myocardial function & reduce cardiac contractility
    Cardiogenic component
    Over-activation of the clotting cascade can result in DIC → directly plug and block critical tissue beds
    Microvascular obstructive shock

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  • 29. 

    This depends on preload, afterload and contractility

    Correct Answer
    SV / stroke volume
    Explanation
    SV stands for stroke volume, which is the amount of blood pumped out of the heart with each contraction. The stroke volume is influenced by preload, which is the amount of blood in the heart before it contracts, afterload, which is the resistance the heart must overcome to pump blood out, and contractility, which is the strength of the heart's contraction. Therefore, the statement suggests that the stroke volume is determined by these factors.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 20, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 19, 2011
    Quiz Created by
    Dolatahera19
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