______________________________________
RELIAS PROPHECY RN
PHARMACOLOGY
EXAM A 2026/2027
RN PHARMACOLOGY A
QUESTIONS AND VERIFIED ANSWERS|
100% CORRECT| GRADED A+
PROGRAM: RN Pharmacology Competency Assessment Program
RELIAS PROPHECY RN
PHARMACOLOGY
,1. What medication is a leukotriene receptor antagonist?
Correct Answer: Montelukast
Explanation: Montelukast (Singulair) blocks leukotriene receptors in the
lungs, reducing inflammation and bronchoconstriction. It is commonly used
for asthma prophylaxis and allergic rhinitis. It is not used for acute asthma
attacks.
________________________________________
2. Which statement made by a person regarding hydrochlorothiazide (HCTZ)
is correct?
Correct Answer: "I should take extra care when standing up or changing
positions."
Explanation: Hydrochlorothiazide is a thiazide diuretic that can cause
orthostatic hypotension. Patients should rise slowly from sitting or lying
positions to prevent dizziness and falls.
________________________________________
3. A 250 mg dose of an oral medication has been ordered. The medication is
supplied only in 100 mg tablets. How many tablets would you administer?
Correct Answer: 2.5 tablets
Explanation: To calculate: 250÷100=2.5250÷100=2.5. You would administer
2 full tablets and ½ tablet if scored. Always verify if splitting the tablet is
appropriate.
________________________________________
4. What medication is considered a potassium-sparing diuretic?
Correct Answer: Spironolactone (Aldactone)
, Explanation: Spironolactone inhibits aldosterone, which reduces sodium and
water retention while conserving potassium. It is used in heart failure,
hypertension, and hyperaldosteronism.
________________________________________
5. You notice a patient’s face and neck are red and they are itching after IV
vancomycin. What would you suspect?
Correct Answer: Red Man Syndrome due to rapid infusion rate
Explanation: Rapid infusion of vancomycin can cause histamine release,
resulting in flushing, rash, and pruritus. Slowing the infusion rate can
prevent this reaction.
________________________________________
6. Sildenafil (Viagra) is prescribed to treat erectile dysfunction. Which
history would warrant questioning the prescription?
Correct Answer: Use of nitroglycerin
Explanation: Sildenafil causes vasodilation and can lead to severe
hypotension when taken with nitrates like nitroglycerin. Co-administration
is contraindicated.
________________________________________
7. You are caring for a patient with a capillary blood glucose of 33 mg/dL
and unable to tolerate oral intake. Which would you administer?
Correct Answer: Dextrose 50% IV push
Explanation: Severe hypoglycemia (<40 mg/dL) requires rapid IV glucose.
Dextrose 50% provides immediate correction when oral intake is not
possible.
________________________________________
RELIAS PROPHECY RN
PHARMACOLOGY
EXAM A 2026/2027
RN PHARMACOLOGY A
QUESTIONS AND VERIFIED ANSWERS|
100% CORRECT| GRADED A+
PROGRAM: RN Pharmacology Competency Assessment Program
RELIAS PROPHECY RN
PHARMACOLOGY
,1. What medication is a leukotriene receptor antagonist?
Correct Answer: Montelukast
Explanation: Montelukast (Singulair) blocks leukotriene receptors in the
lungs, reducing inflammation and bronchoconstriction. It is commonly used
for asthma prophylaxis and allergic rhinitis. It is not used for acute asthma
attacks.
________________________________________
2. Which statement made by a person regarding hydrochlorothiazide (HCTZ)
is correct?
Correct Answer: "I should take extra care when standing up or changing
positions."
Explanation: Hydrochlorothiazide is a thiazide diuretic that can cause
orthostatic hypotension. Patients should rise slowly from sitting or lying
positions to prevent dizziness and falls.
________________________________________
3. A 250 mg dose of an oral medication has been ordered. The medication is
supplied only in 100 mg tablets. How many tablets would you administer?
Correct Answer: 2.5 tablets
Explanation: To calculate: 250÷100=2.5250÷100=2.5. You would administer
2 full tablets and ½ tablet if scored. Always verify if splitting the tablet is
appropriate.
________________________________________
4. What medication is considered a potassium-sparing diuretic?
Correct Answer: Spironolactone (Aldactone)
, Explanation: Spironolactone inhibits aldosterone, which reduces sodium and
water retention while conserving potassium. It is used in heart failure,
hypertension, and hyperaldosteronism.
________________________________________
5. You notice a patient’s face and neck are red and they are itching after IV
vancomycin. What would you suspect?
Correct Answer: Red Man Syndrome due to rapid infusion rate
Explanation: Rapid infusion of vancomycin can cause histamine release,
resulting in flushing, rash, and pruritus. Slowing the infusion rate can
prevent this reaction.
________________________________________
6. Sildenafil (Viagra) is prescribed to treat erectile dysfunction. Which
history would warrant questioning the prescription?
Correct Answer: Use of nitroglycerin
Explanation: Sildenafil causes vasodilation and can lead to severe
hypotension when taken with nitrates like nitroglycerin. Co-administration
is contraindicated.
________________________________________
7. You are caring for a patient with a capillary blood glucose of 33 mg/dL
and unable to tolerate oral intake. Which would you administer?
Correct Answer: Dextrose 50% IV push
Explanation: Severe hypoglycemia (<40 mg/dL) requires rapid IV glucose.
Dextrose 50% provides immediate correction when oral intake is not
possible.
________________________________________
