Administration for Imaging
Technologists 2nd Edition
Chapter 1: Introduction to Pharmacology
Which of the following is the primary purpose of pharmacology?
A. To study the economic impact of drugs
B. To understand the interactions between drugs and the body
C. To develop new imaging technologies
D. To improve patient scheduling
Answer: B. To understand the interactions between drugs and the body
What is the primary route of drug administration for imaging technologists?
A. Oral
B. Intravenous
C. Topical
D. Subcutaneous
Answer: B. Intravenous
Chapter 2: Drug Administration Routes and Techniques
Which route of drug administration involves placing the drug directly into the
bloodstream?
A. Oral
B. Intramuscular
C. Intravenous
D. Rectal
Answer: C. Intravenous
,What is a common advantage of the intravenous route of administration?
A. Slow onset of action
B. High risk of drug interactions
C. Immediate therapeutic effect
D. Less precise dosage control
Answer: C. Immediate therapeutic effect
Chapter 3: Drug Classifications and Mechanisms
Which class of drugs is commonly used to manage pain?
A. Antibiotics
B. Analgesics
C. Antihistamines
D. Antacids
Answer: B. Analgesics
What is the mechanism of action for most analgesics?
A. Inhibition of bacterial cell wall synthesis
B. Blockade of histamine receptors
C. Modulation of pain signals in the central nervous system
D. Neutralization of stomach acid
Answer: C. Modulation of pain signals in the central nervous system
Chapter 4: Drug Dosage and Administration
What factor is most important in determining the dosage of a drug?
A. Patient’s weight
B. Time of day
C. Patient’s diet
D. Patient’s age
,Answer: A. Patient’s weight
Which of the following is a key consideration when administering drugs
intravenously?
A. The pH level of the drug
B. The color of the drug
C. The patient’s eye color
D. The type of imaging exam
Answer: A. The pH level of the drug
Chapter 5: Adverse Drug Reactions and Drug Interactions
What is an adverse drug reaction?
A. A beneficial effect of the drug
B. A harmful or unintended response to the drug
C. A delayed therapeutic response
D. An interaction between the drug and imaging equipment
Answer: B. A harmful or unintended response to the drug
Which type of drug interaction occurs when two drugs compete for the same binding
sites?
A. Synergistic
B. Antagonistic
C. Competitive
D. Additive
Answer: C. Competitive
Chapter 6: Pharmacokinetics
Which process involves the absorption of a drug into the bloodstream?
, A. Distribution
B. Metabolism
C. Elimination
D. Absorption
Answer: D. Absorption
What is the primary organ responsible for drug metabolism?
A. Heart
B. Liver
C. Kidney
D. Lungs
Answer: B. Liver
Chapter 7: Pharmacodynamics
What does pharmacodynamics study?
A. The rate at which drugs are eliminated from the body
B. The effects of drugs on the body
C. The interactions between drugs and food
D. The cost-effectiveness of drug therapies
Answer: B. The effects of drugs on the body
What is a drug’s "therapeutic index"?
A. The range of doses that are effective without being toxic
B. The amount of drug needed to achieve a desired effect
C. The time it takes for the drug to be absorbed
D. The rate at which the drug is eliminated
Answer: A. The range of doses that are effective without being toxic
Chapter 8: Drug Safety and Regulations