Surgical Tech (Appleton & Lange) Part 3

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  • 1/100 Questions

    A drug that interferes with the blood-clotting mechanism is

    • Lidocaine
    • Fentanyl
    • Heparin
    • Cefazolin
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Surgical Technology Quizzes & Trivia
About This Quiz

Information from section 1 of the study guide questions 201 -300 in the Appleton and Lange book

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  • 2. 

    Which item is used on cut edges of bones to seal off oozing of blood?

    • Electrocautery

    • Silver nitrate

    • Bone wax

    • Epinephrine

    Correct Answer
    A. Bone wax
    Explanation
    Bone wax is used on cut edges of bones to seal off oozing of blood. It is a sterile mixture of beeswax and isopropyl palmitate, which is applied directly to the bleeding bone surface. The wax acts as a physical barrier, preventing further bleeding and promoting clot formation. It is commonly used in surgical procedures involving bone, such as orthopedic surgeries or spinal surgeries, to control bleeding and provide hemostasis.

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  • 3. 

    Steroids are used for

    • Reduction of fluid in body

    • Deduction of body's need for oxygen

    • Reduction of tissue inflammation and swelling

    • Reduction of uterine constriction and contraction

    Correct Answer
    A. Reduction of tissue inflammation and swelling
    Explanation
    Steroids are commonly used to reduce tissue inflammation and swelling. They have anti-inflammatory properties that help to suppress the body's immune response, which in turn reduces inflammation and swelling. This can be beneficial in treating various conditions such as arthritis, allergies, asthma, and skin disorders. Steroids work by inhibiting the production of inflammatory chemicals and reducing the permeability of blood vessels, thereby reducing the accumulation of fluid and swelling in tissues.

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  • 4. 

    A vasoconstrictor that, when added to a local anesthetic agent, extends its life is

    • Ephedrine

    • Epinephrine

    • Aramine

    • Ethrane

    Correct Answer
    A. Epinephrine
    Explanation
    Epinephrine is a vasoconstrictor that, when added to a local anesthetic agent, extends its life. Vasoconstrictors work by narrowing blood vessels, which reduces blood flow to the area where the anesthetic is applied. This helps to slow down the absorption and metabolism of the anesthetic, prolonging its effect and providing longer-lasting pain relief. Epinephrine is commonly used in local anesthesia procedures to enhance the anesthetic's duration and effectiveness.

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  • 5. 

    The universal donor blood that may be given in extreme emergencies until the patient can be typed and crossmatched is

    • A

    • B

    • O

    • AB

    Correct Answer
    A. O
    Explanation
    O is the universal donor blood type because it lacks antigens on the red blood cells that can trigger an immune response in the recipient. This means that O blood can be safely given to patients with any blood type during emergencies when there is no time for typing and crossmatching. On the other hand, A, B, and AB blood types have specific antigens that may cause adverse reactions if given to individuals with incompatible blood types. Therefore, O blood is the safest option in extreme emergencies when immediate transfusion is required.

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  • 6. 

    The last sensation to leave the patient during general anesthesia induction is

    • Hearing

    • Sight

    • Feeling

    • Smell

    Correct Answer
    A. Hearing
    Explanation
    During general anesthesia induction, various senses of the patient gradually diminish. Hearing is the last sensation to leave the patient because the auditory system is not directly affected by the anesthetic drugs. Even though the patient may not be able to respond or react, they can still perceive sounds until they are fully unconscious. This is why hearing is the last sense to be lost during the induction of general anesthesia.

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  • 7. 

    The purpose of an LMA is

    • To establish and maintain a patent airway

    • To provide patient cooling

    • To monitor body temperture

    • To evaluate cardiac and venous status

    Correct Answer
    A. To establish and maintain a patent airway
    Explanation
    The purpose of an LMA (Laryngeal Mask Airway) is to establish and maintain a patent airway. This means that it is used to ensure that there is an open and unobstructed passage for air to flow into and out of the lungs. The LMA is a device that is inserted into the patient's mouth and positioned in the throat, allowing for the delivery of oxygen and anesthesia gases during certain medical procedures. It is an alternative to endotracheal intubation and can be used in situations where maintaining a clear airway is necessary, such as during surgery or in emergency situations.

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  • 8. 

    Identify which of the following is NOT safe practice

    • Discard opened sterile bottles

    • Sterile persons drape first toward themselves, than away

    • Sterile persons face sterile areas

    • Sterile tables may be covered for later use

    Correct Answer
    A. Sterile tables may be covered for later use
    Explanation
    Covering sterile tables for later use is not a safe practice. Sterile tables should be used immediately and not covered for later use because covering them can introduce contaminants and compromise their sterility. It is important to maintain a sterile environment in healthcare settings to prevent the spread of infections.

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  • 9. 

    At the end of the case, drapes should be

    • Pulled off and placed in a hamper

    • Rolled off and placed on the floor so they can be checked for instruments

    • Rolled off and placed in a hamper

    • Checked for instruments, rolled off, and placed in a hamper

    Correct Answer
    A. Checked for instruments, rolled off, and placed in a hamper
    Explanation
    The correct answer is checked for instruments, rolled off, and placed in a hamper. At the end of the case, the drapes should be checked for any instruments that may have been left behind. After ensuring that there are no instruments on the drapes, they should be rolled off and placed in a hamper for proper disposal. This ensures that any potential contamination or risk of infection is minimized and that the drapes are disposed of correctly.

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  • 10. 

    Tubal patency may be tested by the installation of _____________ into the uterine cavity.

    • Balanced salt solution

    • Chymar

    • Methylene blue

    • Gentian violet

    Correct Answer
    A. Methylene blue
    Explanation
    Methylene blue is used to test tubal patency by being inserted into the uterine cavity. This dye can flow through the fallopian tubes and exit into the abdominal cavity if the tubes are open and patent. By observing the presence or absence of the dye in the abdominal cavity, the doctor can determine if the fallopian tubes are blocked or not.

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  • 11. 

    Blood or fluid can be quickly delivered to a patient via

    • Rapid infusion pump

    • SARA

    • Bair Hugger

    • Doppler

    Correct Answer
    A. Rapid infusion pump
    Explanation
    A rapid infusion pump is a medical device used to quickly deliver blood or fluid to a patient. It is designed to administer large volumes of fluids at a high flow rate, allowing for rapid transfusions or fluid replacement. This device is commonly used in emergency situations or during surgeries where time is critical. Unlike the other options listed, a rapid infusion pump specifically focuses on the efficient and fast delivery of fluids, making it the most suitable choice for quickly delivering blood or fluid to a patient.

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  • 12. 

    Blood oxygenation can be monitored during surgery by means of a(n)

    • Blood pressure monitor

    • Arterial catheter

    • Pulse oximeter

    • CVP catheter

    Correct Answer
    A. Pulse oximeter
    Explanation
    A pulse oximeter is a device used to measure the oxygen saturation level in a person's blood. It does this by clipping onto a finger or earlobe and emitting light that passes through the skin. The device then measures how much of the light is absorbed by the oxygenated and deoxygenated blood, providing a reading of the oxygen saturation level. During surgery, it is important to monitor blood oxygenation to ensure that the patient is receiving enough oxygen. Therefore, a pulse oximeter is the most appropriate device for this purpose.

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  • 13. 

    The chemical agent used in gas sterilization is

    • Ethylene glycol

    • Ethacrynate sodium

    • Ethyl chloride

    • Ethylene oxide

    Correct Answer
    A. Ethylene oxide
    Explanation
    Ethylene oxide is the chemical agent used in gas sterilization. It is a highly effective sterilizing agent that can penetrate various materials and kill microorganisms, including bacteria, viruses, and fungi. Ethylene oxide gas is commonly used in healthcare settings to sterilize medical equipment, such as surgical instruments and devices that cannot be sterilized by heat or steam. It works by damaging the DNA and proteins of microorganisms, thereby preventing their growth and reproduction. Ethylene glycol, ethacrynate sodium, and ethyl chloride are not commonly used as sterilizing agents.

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  • 14. 

    A topical antibiotic is

    • Bacitracin

    • Ephedrine

    • Ancef

    • Keflex

    Correct Answer
    A. Bacitracin
    Explanation
    Bacitracin is a topical antibiotic used to prevent and treat bacterial infections on the skin. It works by inhibiting the growth of bacteria and is commonly used for minor cuts, scrapes, and burns. Bacitracin is effective against a wide range of bacteria, including Staphylococcus and Streptococcus species. It is typically applied directly to the affected area and should not be ingested or used on large areas of the body. Bacitracin is available over-the-counter and is generally safe to use, but it is always recommended to follow the instructions provided by a healthcare professional or on the product packaging.

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  • 15. 

    The most common diuretic is

    • Lasix

    • Pronestyl

    • Esoptin

    • Cefadyl

    Correct Answer
    A. Lasix
    Explanation
    Lasix is the most common diuretic because it is a loop diuretic that acts on the kidneys to increase the production of urine. It is commonly used to treat conditions such as edema, congestive heart failure, and high blood pressure. Lasix works by blocking the reabsorption of sodium and chloride in the kidneys, leading to increased urine output and removal of excess fluid from the body. This makes it an effective medication for reducing fluid retention and managing conditions related to fluid overload.

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  • 16. 

    A drug used to treat metabolic acidosis is

    • Inderal

    • Pronestyl

    • Sodium bicarbonate

    • Isuprel

    Correct Answer
    A. Sodium bicarbonate
    Explanation
    Sodium bicarbonate is used to treat metabolic acidosis, a condition characterized by an excess of acid in the body. It works by neutralizing the acid and restoring the pH balance. Inderal, Pronestyl, and Isuprel are not used for this purpose, making sodium bicarbonate the correct answer.

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  • 17. 

    The indication for an edipural would be

    • Anorectal, vaginal, perineal, and obstetric procedures

    • Lower intestinal procedures

    • Upper gastrointestinal procedures

    • Above-the-waste procedures

    Correct Answer
    A. Anorectal, vaginal, perineal, and obstetric procedures
    Explanation
    The indication for an epidural would be anorectal, vaginal, perineal, and obstetric procedures. This is because an epidural anesthesia is commonly used for pain relief during childbirth and surgeries involving the lower part of the body, such as the anus, rectum, vagina, and perineum. It is not typically used for upper gastrointestinal procedures or above-the-waist procedures.

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  • 18. 

    The most widely used local anesthetic is

    • Carbocaine

    • Marcaine

    • Prilocaine

    • Lidocaine

    Correct Answer
    A. Lidocaine
    Explanation
    Lidocaine is the most widely used local anesthetic because it is highly effective in numbing the area where it is applied. It works by blocking the nerve signals in the body, which helps to prevent pain sensations. Lidocaine is commonly used for various medical procedures, such as dental work, minor surgeries, and dermatological treatments. It has a rapid onset of action, providing quick pain relief, and its effects can last for a moderate duration. Lidocaine is also well-tolerated by most patients and has a low risk of adverse reactions, making it a preferred choice among healthcare professionals.

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  • 19. 

    Naloxone (Narcan) is an example of a/an

    • Narcotic antagonist

    • Mydriatic

    • Histamine

    • Diuretic

    Correct Answer
    A. Narcotic antagonist
    Explanation
    Naloxone (Narcan) is classified as a narcotic antagonist because it works by blocking the effects of narcotics, specifically opioids, in the body. It is commonly used to reverse the effects of opioid overdose by quickly binding to opioid receptors in the brain, displacing the opioids and rapidly reversing the respiratory depression caused by the overdose. By acting as an antagonist, naloxone helps to restore normal breathing and prevent potentially fatal consequences of opioid overdose.

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  • 20. 

    An absorbable gelatin hemostatic agent that is often soaked in thrombin or epinrphrine solution is

    • Avitene

    • Oxycel

    • Nu-knit

    • Gelfoam

    Correct Answer
    A. Gelfoam
    Explanation
    Gelfoam is an absorbable gelatin hemostatic agent that is commonly soaked in thrombin or epinephrine solution. It is used to control bleeding during surgical procedures by promoting clot formation. Gelfoam is made from porcine gelatin and is biodegradable, meaning it is gradually absorbed by the body over time. It is a widely used and effective hemostatic agent in various surgical specialties.

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  • 21. 

    An agent that keeps the cornea moist  during surgery and is used for irrigation as well is

    • Mannitol

    • Miochol

    • Chymar

    • BSS

    Correct Answer
    A. BSS
    Explanation
    BSS (Balanced Salt Solution) is an agent used during surgery to keep the cornea moist and also for irrigation purposes. It is a sterile solution that closely resembles the composition of natural tears, making it suitable for maintaining the cornea's hydration. BSS helps to prevent the cornea from drying out during surgical procedures, ensuring optimal conditions for successful surgery.

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  • 22. 

    A method of anesthesia  in which medication is injected into the subarachnoid space, affecting a portion of the spinal cord, is called a

    • Bier block

    • Field block

    • Nerve block

    • Spinal block

    Correct Answer
    A. Spinal block
    Explanation
    A spinal block is a method of anesthesia where medication is injected into the subarachnoid space, which is the area surrounding the spinal cord. This medication affects a specific portion of the spinal cord, resulting in anesthesia. This type of anesthesia is commonly used for surgeries below the waist, such as lower abdominal or lower extremity procedures. It provides effective pain relief and temporary loss of sensation in the lower body.

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  • 23. 

    Positive assurance that sterilization conditions have been achieved can only be obtained through

    • Biologic control test

    • Heat-sensitive tape

    • Color change monitor

    • Mechanical indicator

    Correct Answer
    A. Biologic control test
    Explanation
    A biologic control test is the only method that can provide a positive assurance that sterilization conditions have been achieved. This test involves using biological indicators, such as spores, that are resistant to the sterilization process. These indicators are placed alongside the items being sterilized and then incubated to check for any surviving microorganisms. If the indicators show no growth, it confirms that the sterilization conditions were successful. This method is considered the most reliable way to ensure that sterilization has been achieved. Heat-sensitive tape, color change monitors, and mechanical indicators can provide some indication of sterilization, but they do not provide the same level of certainty as a biologic control test.

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  • 24. 

    Immobility of the eye, along with lowered intra-ocular pressure is facilitated by the use of

    • Diprivan block

    • Versed block

    • Xylocaine block

    • Retrobulbar block

    Correct Answer
    A. Retrobulbar block
    Explanation
    The correct answer is Retrobulbar block. A retrobulbar block is a procedure in which a local anesthetic is injected into the area behind the eye, numbing the eye and reducing intra-ocular pressure. This block is commonly used in eye surgeries to immobilize the eye and create a pain-free environment for the procedure. The other options, Diprivan block, Versed block, and Xylocaine block, are not specifically used for immobilizing the eye or reducing intra-ocular pressure.

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  • 25. 

    A drug used to soothe and relieve anxiety is a(n)

    • Cholinergic

    • Analgesic

    • Sedative

    • Narcotic

    Correct Answer
    A. Sedative
    Explanation
    A sedative is a drug that is used to calm and relax a person, reducing anxiety and promoting sleep. It works by slowing down the central nervous system, which helps to decrease brain activity and induce a state of relaxation. Sedatives are commonly prescribed to treat anxiety disorders, insomnia, and other conditions where relaxation and relief from anxiety are desired. Therefore, a drug used to soothe and relieve anxiety is a sedative.

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  • 26. 

    All of the following statements regarding instrument sets are true EXCEPT

    • Instruments must be placed in perforated trays

    • Heavy instruments are placed on the bottom

    • All instruments must be closed

    • All detachable parts must be disassembled

    Correct Answer
    A. All instruments must be closed
    Explanation
    The given answer states that "all instruments must be closed" is not a true statement regarding instrument sets. This means that it is not necessary for all instruments to be closed when arranging them in a set. The other statements provided in the question are true, including the requirement for instruments to be placed in perforated trays, heavy instruments being placed on the bottom, and all detachable parts needing to be disassembled.

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  • 27. 

    The commercial name for glutaraldehyde is

    • Peracetic acid

    • Phenol

    • Quats

    • Cidex

    Correct Answer
    A. Cidex
    Explanation
    Cidex is the commercial name for glutaraldehyde.

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  • 28. 

    An anticoaglant given subcutaneously, intravenously, or as a flush is

    • Nitroglycerin

    • Dextran

    • Heparin

    • Thrombin

    Correct Answer
    A. Heparin
    Explanation
    Heparin is an anticoagulant commonly administered subcutaneously, intravenously, or as a flush. It works by inhibiting the activity of certain clotting factors in the blood, preventing the formation of blood clots. Nitroglycerin is a vasodilator used to treat angina, dextran is a plasma volume expander, and thrombin is an enzyme involved in blood clotting. Therefore, heparin is the correct answer as it is the only anticoagulant among the options given.

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  • 29. 

    A drug that decreases the tendency of blood platelets to clot is

    • Warfarin sodium

    • Diazepam

    • Lorazepam

    • Midazolam HCI

    Correct Answer
    A. Warfarin sodium
    Explanation
    Warfarin sodium is a drug that decreases the tendency of blood platelets to clot. It works by inhibiting the synthesis of vitamin K-dependent clotting factors in the liver, thus preventing the formation of blood clots. Diazepam, lorazepam, and midazolam HCI are not drugs that have this specific anti-clotting effect.

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  • 30. 

    An antibiotic used intraoperatively is

    • Diazepam

    • Ketoralac

    • Cyclogyl

    • Gentamicin

    Correct Answer
    A. Gentamicin
    Explanation
    Gentamicin is an antibiotic that is commonly used intraoperatively. It belongs to the class of aminoglycoside antibiotics and is effective against a wide range of bacteria. Intraoperative use of antibiotics helps prevent surgical site infections by targeting and killing bacteria that may be present in the surgical site. Gentamicin is often administered intravenously or topically during surgery to provide prophylactic coverage against potential pathogens. Its use is particularly common in orthopedic, cardiac, and gastrointestinal surgeries.

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  • 31. 

    In a high-speed flash sterilizer, unwrapped instruments are exposed for a minimum of

    • 1 minute

    • 3 minutes

    • 5 minutes

    • 10 minutes

    Correct Answer
    A. 3 minutes
    Explanation
    In a high-speed flash sterilizer, unwrapped instruments are exposed for a minimum of 3 minutes. This duration is necessary to ensure that all microorganisms present on the instruments are effectively killed. Flash sterilization is a rapid sterilization process used in urgent situations where immediate use of the instruments is required. The 3-minute exposure time allows for the quick sterilization of the instruments while still ensuring their safety for use.

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  • 32. 

    Normal saline is used for laparotomy pack moistening and for intraperitoneal irrigation because it is

    • Hypotonic

    • Isotonic

    • Hypertonic

    • Hyperkalemic

    Correct Answer
    A. Isotonic
    Explanation
    Normal saline is used for laparotomy pack moistening and intraperitoneal irrigation because it is isotonic. Isotonic solutions have the same concentration of solutes as the body's cells, making them compatible with the body's fluids and tissues. This means that normal saline will not cause cells to shrink or swell when it comes into contact with them, maintaining the balance of fluids and electrolytes in the body.

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  • 33. 

    Another name for adrenalin is

    • Ephedrine

    • Epinephrine

    • Lidocaine

    • Levophed

    Correct Answer
    A. Epinephrine
    Explanation
    Epinephrine is another name for adrenalin. Adrenalin is a hormone and neurotransmitter that is produced by the adrenal glands. It is responsible for the "fight or flight" response in the body, increasing heart rate, blood pressure, and energy levels. Epinephrine is commonly used in medical settings to treat severe allergic reactions, asthma attacks, and cardiac arrest. It acts as a vasoconstrictor, bronchodilator, and increases cardiac output. Therefore, epinephrine is the correct answer as it is a synonym for adrenalin.

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  • 34. 

    Which body fluid is least likely to transmit HIV?

    • Blood

    • Semen

    • Saliva

    • Apinal fluid

    Correct Answer
    A. Saliva
    Explanation
    Saliva is the body fluid that is least likely to transmit HIV. HIV is primarily transmitted through direct contact with infected blood, semen, vaginal fluids, and breast milk. Saliva contains very low levels of the virus and does not typically transmit HIV unless there is a significant amount of blood present. However, it is still important to practice safe behaviors and avoid activities that involve the exchange of bodily fluids to prevent the transmission of HIV and other sexually transmitted infections.

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  • 35. 

    An osmotic diuretic agent used to decrease cerebral edema and intraocular edema is

    • Diuril

    • Fluosemide

    • Papaverine

    • Mannitol

    Correct Answer
    A. Mannitol
    Explanation
    Mannitol is an osmotic diuretic agent that is commonly used to decrease cerebral edema and intraocular edema. It works by drawing water into the kidneys, increasing urine production and reducing fluid buildup in the brain and eyes. This helps to reduce swelling and pressure in these areas, making it an effective treatment for conditions such as cerebral edema and glaucoma. Diuril, fluosemide, and papaverine are not typically used for these purposes.

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  • 36. 

    Tables are considered sterile

    • On the top and 2 inches below the table level

    • Up to 2 feet off the ground

    • On the top and in the area that has been pulled close to the sterile field

    • Only on the top

    Correct Answer
    A. Only on the top
    Explanation
    Tables are considered sterile only on the top because this is the area that is most likely to come into contact with sterile items and instruments during medical procedures. The top surface of the table is usually covered with a sterile drape or cloth to create a clean and safe area for the sterile field. The sides and bottom of the table are not typically considered sterile because they are more prone to contamination from non-sterile surfaces and objects.

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  • 37. 

    The process called cavitation occurs in the

    • Moist heat sterilzer

    • Ultrasonic cleaner

    • High-speed pressure sterilizer

    • Washer-sterilizer

    Correct Answer
    A. Ultrasonic cleaner
    Explanation
    Cavitation is a process that occurs in an ultrasonic cleaner. This process involves the formation and implosion of tiny bubbles in a liquid. When ultrasonic waves are passed through the liquid, the pressure changes rapidly, causing the formation of these bubbles. As the bubbles collapse, they create intense shock waves that help in cleaning and sterilizing objects placed in the cleaner. Therefore, the correct answer is the ultrasonic cleaner.

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  • 38. 

    A mydriatic drug, Neo-Synephrine, is used to

    • Constrict the pupil

    • Dilate the pupil

    • Anesthetize the eye

    • Lower intra-ocular pressure

    Correct Answer
    A. Dilate the pupil
    Explanation
    Neo-Synephrine is a mydriatic drug, which means it is used to dilate the pupil. Mydriatic drugs work by causing the muscles that control the size of the pupil to relax, allowing the pupil to become larger. This can be beneficial in certain medical procedures, such as eye examinations or surgeries, as it allows for better visualization of the structures within the eye. Therefore, the correct answer is "dilate the pupil."

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  • 39. 

    An antiboagulant used in vascular surgery is

    • Pretamine sulfate

    • Heparin

    • Adrenalin

    • Papavarine

    Correct Answer
    A. Heparin
    Explanation
    Heparin is an anticoagulant commonly used in vascular surgery. It helps prevent blood clotting by inhibiting the formation of fibrin, a protein involved in clot formation. This property of heparin is crucial during vascular procedures to maintain blood flow and prevent blockages. Pretamine sulfate is not an anticoagulant but a drug used to reverse the effects of heparin. Adrenalin and papavarine are not anticoagulants and are not typically used in vascular surgery.

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  • 40. 

    The minimum distance a nonsterile person shold remain from a sterile field is

    • 6 inches

    • 1 foot

    • 2 feet

    • 3 feet

    Correct Answer
    A. 1 foot
    Explanation
    A nonsterile person should maintain a minimum distance of 1 foot from a sterile field to prevent contamination. This distance helps to minimize the risk of any microorganisms or particles from the nonsterile person coming into contact with the sterile field, which could compromise its sterility. By maintaining this distance, the chances of introducing contaminants are reduced, ensuring the integrity of the sterile field is maintained.

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  • 41. 

    If a solution soaks through a sterile drape

    • Discard drape and replace it

    • Cover wet area with impervious sterile drape or towel

    • Cover wet area with at least two layers of fabric

    • Fill out an incident report at the end of the case

    Correct Answer
    A. Cover wet area with impervious sterile drape or towel
    Explanation
    If a solution soaks through a sterile drape, the best course of action is to cover the wet area with an impervious sterile drape or towel. This will help prevent any contamination or spread of the solution to the surrounding area. By using an impervious material, it ensures that the solution does not seep through and maintains a sterile environment.

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  • 42. 

    Heparin effects are reversed by

    • Pitocin

    • Phenylephrine

    • Protamine sulfate

    • Procainamide Hcl

    Correct Answer
    A. Protamine sulfate
    Explanation
    Protamine sulfate is used to reverse the effects of heparin. Heparin is an anticoagulant medication that prevents blood clotting. However, in certain situations such as surgery or bleeding complications, it may be necessary to reverse the effects of heparin quickly. Protamine sulfate is a medication that binds to heparin and neutralizes its anticoagulant effects. This allows the blood to clot normally again. Pitocin, phenylephrine, and procainamide Hcl are not used to reverse the effects of heparin.

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  • 43. 

    Which inhalation agent is used for short procedures requiring no muscle relaxation?

    • Nitrous oxide

    • Halothane

    • Ethrane

    • Forane

    Correct Answer
    A. Nitrous oxide
    Explanation
    Nitrous oxide is the correct answer because it is commonly used as an inhalation agent for short procedures that do not require muscle relaxation. Nitrous oxide is a fast-acting gas that provides analgesic and anxiolytic effects, making it suitable for procedures such as dental work or minor surgeries. It has a rapid onset and offset of action, allowing for quick recovery and minimal side effects.

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  • 44. 

    The minimum exposure time for unwrapped instruments in a flash sterilizer that is set at 270F (132C) is

    • 2 minutes

    • 3 minutes

    • 5 minutes

    • 7 minutes

    Correct Answer
    A. 3 minutes
    Explanation
    In a flash sterilizer, the minimum exposure time for unwrapped instruments is determined by the temperature set, which is 270F (132C) in this case. The higher the temperature, the shorter the exposure time needed to achieve sterilization. Therefore, the correct answer is 3 minutes, as it is the shortest time listed that meets the requirement of the set temperature.

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  • 45. 

    Gravity displacement utilizes _________ to destroy microorganisms

    • Gas

    • Radiation

    • Gamma rays

    • Steam

    Correct Answer
    A. Steam
    Explanation
    Gravity displacement utilizes steam to destroy microorganisms. Steam is used in sterilization processes because it has high heat energy, which can effectively kill microorganisms. When steam is applied, it transfers heat to the objects being sterilized, causing the destruction of bacteria, viruses, and other pathogens. The high temperature of steam denatures proteins and disrupts the cell membranes of microorganisms, leading to their death. This method is commonly used in medical and laboratory settings to ensure the sterilization of equipment and instruments.

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  • 46. 

    Which of the following statements regarding the sterilzation of basin sets is true?

    • Basins must be separated by a porous material if they are nested

    • Sponges and linen may be packaged inside the basin to be sterilized

    • Basins are placed flat in the autoclave

    • Basins must always be placed on the top shelf of the autoclave in a combined load

    Correct Answer
    A. Basins must be separated by a porous material if they are nested
    Explanation
    When basins are nested, they must be separated by a porous material during sterilization. This is because if the basins are stacked directly on top of each other, the steam may not be able to penetrate through all the layers, leading to inadequate sterilization. By placing a porous material between the nested basins, the steam can circulate more effectively and ensure proper sterilization of each basin.

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  • 47. 

    To promote healing, a surgical wound must have all of the following requisites EXCEPT

    • Suture closure of dead space

    • Drains to remove fluid or air

    • A moderately tight dressing

    • Tight sutures to create tension

    Correct Answer
    A. Tight sutures to create tension
    Explanation
    The correct answer is tight sutures to create tension. While all the other options listed promote healing of a surgical wound, tight sutures that create tension can actually hinder healing. Tension on the wound edges can impair blood flow and increase the risk of wound dehiscence (splitting open) or poor scar formation. Therefore, it is important to avoid excessive tension when closing a surgical wound.

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  • 48. 

    A drug used to increase blood pressure is

    • Avitene

    • Epinephrine

    • Heparin

    • Mannitol

    Correct Answer
    A. Epinephrine
    Explanation
    Epinephrine is a drug that can increase blood pressure by stimulating the alpha-adrenergic receptors in blood vessels, causing vasoconstriction. It also stimulates the beta-adrenergic receptors in the heart, increasing heart rate and cardiac output. These actions help to raise blood pressure. Avitene, heparin, and mannitol are not typically used to increase blood pressure. Avitene is a hemostatic agent, heparin is an anticoagulant, and mannitol is an osmotic diuretic used to reduce intracranial pressure.

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  • 49. 

    A drug used to reverse hypotension is

    • Isuprel

    • Inderal

    • Pronestyl

    • Levophed

    Correct Answer
    A. Levophed
    Explanation
    Levophed is a drug used to reverse hypotension, which is low blood pressure. It works by constricting blood vessels and increasing blood flow to raise blood pressure. Isuprel, Inderal, and Pronestyl are not used to reverse hypotension. Isuprel is a bronchodilator used to treat asthma and certain heart conditions. Inderal is a beta-blocker used to treat high blood pressure and certain heart conditions. Pronestyl is an antiarrhythmic medication used to treat irregular heart rhythms. Therefore, Levophed is the correct answer for reversing hypotension.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
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  • Oct 05, 2012
    Quiz Created by
    Tigger28384

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