NR566 | NR566 Advanced Pharmacology for Care
of the Family Wk 8 Midterm v3 | Questions with
Correct Answers and Expert Explanation for Each
Question | Chamberlain
1. When prescribing a medication to a pregnant patient, which of the following
categories indicates that animal studies have shown an adverse effect but there are
no adequate studies in humans?
A. Category A
B. Category B
C. Category C
D. Category D
Correct Answer: C
Expert Explanation: Category C drugs indicate that animal reproduction studies
have shown an adverse effect on the fetus. There are no adequate and well-
controlled studies in humans, but potential benefits may warrant use of the drug in
pregnant women despite potential risks. Practitioners must carefully weigh the risk-
benefit ratio before prescribing these medications during pregnancy.
,2. A patient with heart failure and a reduced ejection fraction is started on an ACE
inhibitor. What is the primary mechanism by which these drugs improve outcomes in
heart failure?
A. Increasing heart rate to improve cardiac output
B. Reducing preload and afterload by inhibiting angiotensin II
C. Increasing systemic vascular resistance
D. Enhancing sodium and water retention
Correct Answer: B
Expert Explanation: ACE inhibitors block the conversion of angiotensin I to
angiotensin II, which is a potent vasoconstrictor. This leads to vasodilation, reducing
the workload (afterload) on the heart and decreasing the volume of blood the heart
must pump (preload). Long-term use helps prevent cardiac remodeling and reduces
mortality in patients with chronic heart failure.
3. A 65-year-old patient is diagnosed with type 2 diabetes. According to the Beers
Criteria, which class of medications should be avoided due to the high risk of
prolonged hypoglycemia?
A. Biguanides (Metformin)
B. Long-acting sulfonylureas (Glyburide)
,C. DPP-4 inhibitors (Sitagliptin)
D. SGLT2 inhibitors (Empagliflozin)
Correct Answer: B
Expert Explanation: Glyburide is a long-acting sulfonylurea that is listed in the
Beers Criteria as potentially inappropriate for older adults. Its long half-life
significantly increases the risk of severe and prolonged hypoglycemia in the elderly
population. Safer alternatives such as metformin or shorter-acting agents should be
prioritized for glucose management in this demographic.
4. Which of the following describes the ‘first-pass effect’ in pharmacokinetics?
A. The rapid distribution of drug to the brain
B. The excretion of drug via the kidneys in the first hour
C. The metabolism of a drug in the liver before it reaches systemic circulation
D. The binding of drug to plasma proteins upon initial entry
Correct Answer: C
Expert Explanation: The first-pass effect occurs when an orally administered drug
is absorbed from the GI tract and enters the portal circulation. It travels to the liver
where it may be extensively metabolized before reaching the rest of the body. This
, process can significantly reduce the bioavailability of certain medications,
necessitating higher oral doses compared to intravenous doses.
5. When prescribing warfarin (Coumadin), which laboratory value must be monitored
to ensure the patient is within the therapeutic range?
A. Partial Thromboplastin Time (PTT)
B. Serum creatinine
C. Platelet count
D. International Normalized Ratio (INR)
Correct Answer: D
Expert Explanation: The International Normalized Ratio (INR) is the standard
measurement used to monitor the effectiveness of warfarin therapy. For most
patients with atrial fibrillation or venous thromboembolism, a target INR of 2.0 to
3.0 is desired. Frequent monitoring is required due to the narrow therapeutic index
and numerous drug-drug or food-drug interactions associated with warfarin.
6. A patient presents with symptoms of an acute asthma exacerbation. Which
medication is considered the first-line treatment for immediate symptom relief?
A. Short-acting beta-agonists (Albuterol)
B. Long-acting beta-agonists (Salmeterol)
of the Family Wk 8 Midterm v3 | Questions with
Correct Answers and Expert Explanation for Each
Question | Chamberlain
1. When prescribing a medication to a pregnant patient, which of the following
categories indicates that animal studies have shown an adverse effect but there are
no adequate studies in humans?
A. Category A
B. Category B
C. Category C
D. Category D
Correct Answer: C
Expert Explanation: Category C drugs indicate that animal reproduction studies
have shown an adverse effect on the fetus. There are no adequate and well-
controlled studies in humans, but potential benefits may warrant use of the drug in
pregnant women despite potential risks. Practitioners must carefully weigh the risk-
benefit ratio before prescribing these medications during pregnancy.
,2. A patient with heart failure and a reduced ejection fraction is started on an ACE
inhibitor. What is the primary mechanism by which these drugs improve outcomes in
heart failure?
A. Increasing heart rate to improve cardiac output
B. Reducing preload and afterload by inhibiting angiotensin II
C. Increasing systemic vascular resistance
D. Enhancing sodium and water retention
Correct Answer: B
Expert Explanation: ACE inhibitors block the conversion of angiotensin I to
angiotensin II, which is a potent vasoconstrictor. This leads to vasodilation, reducing
the workload (afterload) on the heart and decreasing the volume of blood the heart
must pump (preload). Long-term use helps prevent cardiac remodeling and reduces
mortality in patients with chronic heart failure.
3. A 65-year-old patient is diagnosed with type 2 diabetes. According to the Beers
Criteria, which class of medications should be avoided due to the high risk of
prolonged hypoglycemia?
A. Biguanides (Metformin)
B. Long-acting sulfonylureas (Glyburide)
,C. DPP-4 inhibitors (Sitagliptin)
D. SGLT2 inhibitors (Empagliflozin)
Correct Answer: B
Expert Explanation: Glyburide is a long-acting sulfonylurea that is listed in the
Beers Criteria as potentially inappropriate for older adults. Its long half-life
significantly increases the risk of severe and prolonged hypoglycemia in the elderly
population. Safer alternatives such as metformin or shorter-acting agents should be
prioritized for glucose management in this demographic.
4. Which of the following describes the ‘first-pass effect’ in pharmacokinetics?
A. The rapid distribution of drug to the brain
B. The excretion of drug via the kidneys in the first hour
C. The metabolism of a drug in the liver before it reaches systemic circulation
D. The binding of drug to plasma proteins upon initial entry
Correct Answer: C
Expert Explanation: The first-pass effect occurs when an orally administered drug
is absorbed from the GI tract and enters the portal circulation. It travels to the liver
where it may be extensively metabolized before reaching the rest of the body. This
, process can significantly reduce the bioavailability of certain medications,
necessitating higher oral doses compared to intravenous doses.
5. When prescribing warfarin (Coumadin), which laboratory value must be monitored
to ensure the patient is within the therapeutic range?
A. Partial Thromboplastin Time (PTT)
B. Serum creatinine
C. Platelet count
D. International Normalized Ratio (INR)
Correct Answer: D
Expert Explanation: The International Normalized Ratio (INR) is the standard
measurement used to monitor the effectiveness of warfarin therapy. For most
patients with atrial fibrillation or venous thromboembolism, a target INR of 2.0 to
3.0 is desired. Frequent monitoring is required due to the narrow therapeutic index
and numerous drug-drug or food-drug interactions associated with warfarin.
6. A patient presents with symptoms of an acute asthma exacerbation. Which
medication is considered the first-line treatment for immediate symptom relief?
A. Short-acting beta-agonists (Albuterol)
B. Long-acting beta-agonists (Salmeterol)
