QUESTIONS AND ANSWERS | UPDATED 2025 TEST BANK WITH
COMPLETE SOLUTIONS & GUARANTEED A+
1. When a drug increases the rate of metabolism of other drugs, this process is
called:
A. First-pass metabolism
B. Enzyme induction
C. Enzyme inhibition
D. Enterohepatic cycling
☑️
E. Microsomal inhibition
CORRECT ANSWER: B
"2. The main pharmacologic effect of norepinephrine on alpha-1 receptors is:
A. Increased heart rate
B. Bronchodilation
C. Vasoconstriction
D. Contraction of the urinary bladder
☑️
E. Increased force of myocardial contraction
CORRECT ANSWER: C
"3. The mechanism of action of methyldopa is:
A. Increased release of NE from adrenergic nerve endings
B. Alpha-1 receptor blocker
C. Beta-1 receptor blocker
D. Formation of a false transmitter in adrenergic nerve endings
☑️
E. None of these
CORRECT ANSWER: D
"4. Pick the correct pharmacological effect(s) of direct-acting cholinergic drugs.
A. respiratory paralysis
B. urinary retention
C. increased heart rate
D. bronchodilation
E. none of these -
☑️ CORRECT ANSWER: E
,"5. In the presynaptic terminal of neuronal cells, the immediate trigger to release
a neurotransmitter from synaptic vesicles into the synaptic cleft is
A) a drop in cytosolic Ca²⁺
B) a drop in cytosolic K⁺
C) a rise in cytosolic Ca²⁺
D) a drop in cytosolic Mg²⁺
E) a rise in cytosolic K⁺
F) a rise in cytosolic Mg²⁺ -
☑️ CORRECT ANSWER: C
"6. A drug that has the potential for abuse and is regulated by the Drug
Enforcement Administration is classified as a
A. poison
B. OTC drug
C. prescription drug
D. controlled substance
E. nonproprietary drug -
☑️CORRECT ANSWER D"
"7. A 25-year-old female presents with delirium, hyperthermia, and symptoms of
central anticholinergic intoxication. She has attended a “witches' convent” and
ingested some herbal extracts, including fruits of the species Atropa belladonna.
As one component of her treatment, she receives a dose of physostigmine.
Refer to the case above. Physostigmine is preferred over neostigmine because
A) It is a nonpolar compound that penetrates the CNS more easily than neostigmine.
B) It has a shorter half-life than neostigmine, making it more useful for emergency
treatment.
C) It has a longer half-life than neostigmine, better matching the half-life of atropine.
D) It is eliminated via the kidneys, and dosage is not critical with compromised liver
function.
E) It is eliminated via the liver, and dosage is not critical with compromised renal
function. -
☑️ CORRECT ANSWER: A
"8. A medication that does not require a physician's service to obtain is referred
to as
, A. trade
B. nonproprietary
C. nonprescription
☑️
D. brand
E. generic - CORRECT ANSWER C"
"9. Which of the following could be categorized as an adverse reaction?
A. idiosyncrasy
B. drug allergy
C. teratogenicity
☑️
D. carcinogenicity
E. all of these - CORRECT ANSWER E"
"10. The time a drug continues to produce its effect is its
A. ED50
B. maximal response
C. ceiling effect
☑️
D. onset of action
E. duration of action - CORRECT ANSWER E"
"11. The drug administration route demonstrating the slowest onset of action is
A. inhalation
B. transdermal
C. intramuscular
☑️
D. sublingual
E. intravenous - CORRECT ANSWER B"
"12.For drugs to cross the blood-brain barrier, they must be
A. ionized
B. positively charged
C. water soluble
☑️
D. lipid soluble
E. negatively charged - CORRECT ANSWER D"
"13. First-pass metabolism refers to the metabolism of drugs in the
A. kidney
B. blood vessels
C. liver
☑️
D. heart
E. adipose tissue - CORRECT ANSWER C"