Test: Computed Tomography MCQ Quiz!
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Do you know anything about computed tomography? Do you suppose you can beat this quiz? Computed tomography uses a combination of X-rays and a computer to create pictures of your organs, bones, and other tissues. They use a narrow x-ray beam that circles one part of your body. This CAT provides a series of images from many different angles. Take this quiz and learn more about computed tomography.
Questions and Answers
- 1.
The normal range of respiration for an adult is
- A.
5-10 breaths per minute
- B.
12-20 breaths per minute
- C.
20-30 breaths per minute
- D.
35-50 breaths per minute
Correct Answer
B. 12-20 breaths per minuteExplanation
The normal range of respiration for an adult is 12-20 breaths per minute. This range indicates the average number of breaths an adult takes in one minute. Respiration rate can vary depending on factors such as age, activity level, and overall health. A rate below or above this range may indicate an underlying medical condition or respiratory distress. Therefore, a respiration rate of 12-20 breaths per minute is considered normal for an adult.Rate this question:
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- 2.
Which of the following is a parenteral route of medication administration?
- A.
Sublingual
- B.
Intramuscular
- C.
Transdermal
- D.
Oral
Correct Answer
B. IntramuscularExplanation
Injection routeRate this question:
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- 3.
The preparation for a contrast-enhanced CT exam of a patient with prior allergic reaction to iodinated contrast media may include:
- A.
Premedication with steroids and antihistamines
- B.
Administration of a negative contrast agent
- C.
Increase in fluids for 24 hours before the examination
- D.
Refraining from urination for 2 hours before the examination
Correct Answer
A. Premedication with steroids and antihistaminesExplanation
Patients with a prior allergic reaction to iodinated contrast media are at risk of developing an allergic reaction again during a contrast-enhanced CT exam. To prevent this, premedication with steroids and antihistamines is recommended. Steroids help to reduce inflammation and allergic reactions, while antihistamines block the effects of histamine, which is released during an allergic reaction. This premedication can help to minimize the risk of an allergic reaction and ensure the safety of the patient during the procedure.Rate this question:
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- 4.
A patient in shock may exhibit which of the following symptoms:
- A.
Tachycardia - rapid heart rate
- B.
Rapid, shallow breathing
- C.
Cyanosis- discolored skin {bluish}
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
A patient in shock may exhibit tachycardia, which is a rapid heart rate. This is because the body is trying to compensate for the decrease in blood flow and oxygen delivery. Rapid, shallow breathing is also a symptom of shock as the body tries to increase oxygen intake. Cyanosis, or discolored skin that appears bluish, can occur due to inadequate oxygenation of the blood. Therefore, all of the above symptoms can be seen in a patient experiencing shock.Rate this question:
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- 5.
Which of the following infection control techniques is required at the site of an intravenous injection of iodinated contrast media?
- A.
Contact isolation
- B.
Surgical asepsis
- C.
Medical asepsis
- D.
Enteric precautions
Correct Answer
B. Surgical asepsisExplanation
Surgical asepsis is required at the site of an intravenous injection of iodinated contrast media because it involves a sterile procedure. This technique involves creating and maintaining a sterile field, using sterile instruments and supplies, and following strict hand hygiene practices. It is necessary to prevent the introduction of microorganisms into the bloodstream and reduce the risk of infection at the injection site. Contact isolation, medical asepsis, and enteric precautions are not specifically related to the sterile technique required for intravenous injections.Rate this question:
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- 6.
A common site for the intravenous injection of iodinated contrast media is the:
- A.
Cephalic vein
- B.
Antecubital vein
- C.
Basilic vein
- D.
All the above
Correct Answer
D. All the aboveExplanation
The correct answer is "all the above" because the cephalic vein, antecubital vein, and basilic vein are all commonly used sites for intravenous injection of iodinated contrast media. These veins are easily accessible and have a good blood supply, making them suitable for injections.Rate this question:
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- 7.
Which of the following technical factors exhibits a direct effect on patient dose?
- A.
Matrix size
- B.
Algorithm
- C.
Millliampre-second {MAS}
- D.
Window level
Correct Answer
C. Millliampre-second {MAS}Explanation
Millliampre-second (MAS) is a technical factor that directly affects patient dose in medical imaging. MAS refers to the product of milliamperage (mA) and exposure time (seconds), which determines the amount of radiation delivered to the patient. Increasing the MAS value increases the radiation dose received by the patient, while decreasing it reduces the dose. Therefore, MAS is an important factor in controlling and optimizing patient dose during imaging procedures.Rate this question:
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- 8.
Prior to an intravenous injection of iodinated contrast material, the patient should be questioned regarding: 1. Renal Function- One kidney dose is cut 2. Allergic History- Premedicated 3. Cardiac History- Heart disease
- A.
1 only
- B.
2 only
- C.
3 only
- D.
1,2, and 3
Correct Answer
D. 1,2, and 3Explanation
The correct answer is 1, 2, and 3. Prior to an intravenous injection of iodinated contrast material, it is important to question the patient regarding their renal function, allergic history, and cardiac history. This is because iodinated contrast material can have adverse effects on patients with impaired renal function, allergies to contrast material, or underlying cardiac conditions. By questioning the patient about these factors, healthcare professionals can determine the appropriate course of action and take necessary precautions to ensure the safety of the patient during the procedure.Rate this question:
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- 9.
Used in determining the biologic effect of iodinated contrast media, the term____________ refers to the number of ions formed when a substance dissociates in solution.
- A.
Solubility
- B.
Osmolality
- C.
Concentration
- D.
Iodination
Correct Answer
B. OsmolalityExplanation
Osmolality refers to the number of ions formed when a substance dissociates in a solution. In the context of determining the biologic effect of iodinated contrast media, osmolality is used to measure the concentration of particles in a solution. It helps determine the osmotic pressure and potential impact on the body's cells and tissues. Solubility refers to the ability of a substance to dissolve in a solvent, concentration refers to the amount of a substance present in a solution, and iodination refers to the process of introducing iodine into a compound.Rate this question:
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- 10.
Which of the following laboratory values can be used to evaluate the renal function of a patient?
- A.
Blood Urea Nitrogen {BUN}
- B.
Partial Thromboplastin Time {clotting factor}
- C.
Creatinine
- D.
Both A and C
Correct Answer
D. Both A and CExplanation
Both Blood Urea Nitrogen (BUN) and Creatinine can be used to evaluate the renal function of a patient. BUN is a measure of the amount of urea nitrogen in the blood, which is a waste product filtered by the kidneys. Elevated BUN levels can indicate impaired kidney function. Creatinine is a waste product produced by the muscles and excreted by the kidneys. High levels of creatinine in the blood can also indicate kidney dysfunction. Therefore, both BUN and creatinine are important laboratory values to assess renal function.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Jul 07, 2010Quiz Created by
Vallery
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