ESTUDYR
PROPHECY/RELIAS RN PHARMACOLOGY A EXAM 2025 RETAKE UPDATED EXAM
WITH MOST TESTED QUESTIONS AND ANSWERS | GRADED A+ | ASSURED
SUCCESS WITH DETAILED RATIONALES
1. Which medication is a leukotriene receptor antagonist?
A) Loratadine
B) Montelukast
C) Albuterol
D) Cetirizine
✅Answer: B) Montelukast
Rationale: Montelukast (Singulair) is a leukotriene receptor antagonist used to prevent asthma
attacks and manage allergic rhinitis by blocking leukotriene-mediated inflammation.
2. Which statement regarding hydrochlorothiazide (HCTZ) is correct?
A) I can skip doses if I feel well.
B) I should take extra care when standing up or changing positions.
C) I should take this medication on an empty stomach.
D) I can take potassium supplements freely.
✅Answer: B)
Rationale: HCTZ may cause orthostatic hypotension; patients should rise slowly to prevent
dizziness or falls.
3. A 250 mg oral dose is ordered. The drug is supplied as 100 mg tablets. How many tablets
should be given?
A) 2 tablets
B) 2.5 tablets
C) 3 tablets
D) 1 tablet
✅Answer: B) 2.5 tablets
Rationale: 250÷100=2.5250 ÷ 100 = 2.5250÷100=2.5 tablets.
4. Which of the following is a potassium-sparing diuretic?
A) Furosemide
, ESTUDYR
B) Hydrochlorothiazide
C) Spironolactone (Aldactone)
D) Mannitol
✅Answer: C)
Rationale: Spironolactone conserves potassium while promoting sodium and water excretion.
5. A patient receiving IV vancomycin rapidly develops flushing and itching of the face and
neck. What condition do you suspect?
A) Anaphylaxis
B) Urticaria
C) Red Man Syndrome
D) Angioedema
✅Answer: C)
Rationale: Rapid infusion of vancomycin can trigger histamine release, causing Red Man
Syndrome; slow infusion is required.
6. Sildenafil (Viagra) is contraindicated in patients taking which medication?
A) Beta blockers
B) Calcium channel blockers
C) Nitroglycerin
D) Digoxin
✅Answer: C)
Rationale: Sildenafil and nitrates both cause vasodilation → severe hypotension risk.
7. A patient with blood glucose of 33 mg/dL cannot take oral glucose. What should be
administered?
A) Glucagon IM
B) Dextrose 50% IV push
C) Regular insulin
D) Orange juice
PROPHECY/RELIAS RN PHARMACOLOGY A EXAM 2025 RETAKE UPDATED EXAM
WITH MOST TESTED QUESTIONS AND ANSWERS | GRADED A+ | ASSURED
SUCCESS WITH DETAILED RATIONALES
1. Which medication is a leukotriene receptor antagonist?
A) Loratadine
B) Montelukast
C) Albuterol
D) Cetirizine
✅Answer: B) Montelukast
Rationale: Montelukast (Singulair) is a leukotriene receptor antagonist used to prevent asthma
attacks and manage allergic rhinitis by blocking leukotriene-mediated inflammation.
2. Which statement regarding hydrochlorothiazide (HCTZ) is correct?
A) I can skip doses if I feel well.
B) I should take extra care when standing up or changing positions.
C) I should take this medication on an empty stomach.
D) I can take potassium supplements freely.
✅Answer: B)
Rationale: HCTZ may cause orthostatic hypotension; patients should rise slowly to prevent
dizziness or falls.
3. A 250 mg oral dose is ordered. The drug is supplied as 100 mg tablets. How many tablets
should be given?
A) 2 tablets
B) 2.5 tablets
C) 3 tablets
D) 1 tablet
✅Answer: B) 2.5 tablets
Rationale: 250÷100=2.5250 ÷ 100 = 2.5250÷100=2.5 tablets.
4. Which of the following is a potassium-sparing diuretic?
A) Furosemide
, ESTUDYR
B) Hydrochlorothiazide
C) Spironolactone (Aldactone)
D) Mannitol
✅Answer: C)
Rationale: Spironolactone conserves potassium while promoting sodium and water excretion.
5. A patient receiving IV vancomycin rapidly develops flushing and itching of the face and
neck. What condition do you suspect?
A) Anaphylaxis
B) Urticaria
C) Red Man Syndrome
D) Angioedema
✅Answer: C)
Rationale: Rapid infusion of vancomycin can trigger histamine release, causing Red Man
Syndrome; slow infusion is required.
6. Sildenafil (Viagra) is contraindicated in patients taking which medication?
A) Beta blockers
B) Calcium channel blockers
C) Nitroglycerin
D) Digoxin
✅Answer: C)
Rationale: Sildenafil and nitrates both cause vasodilation → severe hypotension risk.
7. A patient with blood glucose of 33 mg/dL cannot take oral glucose. What should be
administered?
A) Glucagon IM
B) Dextrose 50% IV push
C) Regular insulin
D) Orange juice
