1 for specific request mail
PHAR 501 Exam 1 Drugs + Dosing Questions and
Correct Answers | Latest Update
Alli Generic Ans: Orlistat
Alli Indicaition Ans: Weight loss in overweight adults when used along
with a reduced-calorie and low-fat diet
Alli MOA Ans: A reversible inhibitor of intestinal lipases
Alli Dosing Ans: 60 mg PO TID during or within 1 hour of each fat-
containing meals
Assignment Expert
Alli Counseling Points Ans: - reduced absorption of fat-soluble vitamins
Guru01 - Stuvia
A,D,E,K and beta-carotene
- doses may be skipped if a meal is missed or contains no fat
- do not take more than three times a day
2026
- GI adverse effects decrease after the first month of therapy
©
TUMS generic Ans: Calcium Carbonate
Antacids MOA Ans: react with stomach acid to form salt (NaCl, CaCl2,
Al2Cl2) and water -> neutralizes acid, byproduct is CO2 = causes gas
Antacids Onset Ans: 5 minutes
Antacids Duration Ans: 20 mins (empty stomach) to 3 hours
Calcium Carbonate Dosing Ans: Adults and Children ≥ 12 y of age: 2-4
tablets po q2h prn (max 8g calcium carbonate per 24h).
Children 6-11 y of age: 364 mg po q2h prn (max 966/24 h)
Children 2-5 y of age: 161 mg po q2h prn (max 483 mg/24 h)
Calcium Carbonate: Prevention or Treatment? Ans: Treatment
, 2 for specific request mail
Calcium Carbonate Class Ans: Antacids
Antacids Counseling Points Ans: - chewable tablets should be chewed
completely and followed with a glass of water
- dosing is product specific but should not be taken more than 4 times a
day
- ADRs: diarrhea with Mg or Mg/Al products, constipation with Ca to Al
products
- watch for drug interactions
Assignment Expert
Milk of Magnesia generic Ans: Magnesium Hydroxide
Guru01 - Stuvia
Magnesium Hydroxide Class Ans: Antacids
Magnesium Hydroxide Dosing Ans: Adult and Children ≥12 y of age: 400-
1200 mg po prn up to qid
2026
Magnesium Hydroxide: Treatment or Prevention? Ans: Treatment
Magnesium Hydroxide Counseling Points Ans: - Diarrhea with Mg
©
products (Most Common)
- Nausea, vomiting, cramping, abdominal pain, dehydration (Less
Common)
- Electrolyte imbalance, fluid imbalance
- Take the product with 240 mL of liquid
H2RAs MOA Ans: Bind competitively and reversibly to H2 receptors of
gastric parietal cells --> increase gastric pH
H2RAs Onset Ans: 30-45 minutes
H2RAs Duration Ans: 4-10 hours
H2RAs ADRs Ans: - Diarrhea, constipation, headache
, 3 for specific request mail
- generally well tolerated
H2RAs Drug Interactions Ans: - Cimetidine is a CYP 450 inhibitor (3A4,
2D6, 1A2, and 2C9)
- reduced absorption of ketoconazole, itraconazole, and iron in. a low-
acid environment
Pepcid generic Ans: Famotidine
Famotidine Class Ans: H2RAs
Famotidine Dosing Ans: Adults and Children ≥ 12 y of age: 10-20 mg po
Assignment Expert
bid for up to 14 d; max 40 mg/d
Guru01 - Stuvia
Famotidine: Treatment or Prevention? Ans: Both
Prevention: 15-60 minutes before known irritating foods
PPI MOA Ans: Bind irreversibly to H+/K+ ATPase pump (proton pump) in
2026
gastric parietal cells --> inhibition of gastric acid secretion
PPI Onset Ans: 2-3 hours
©
PPI Duration Ans: complete relief in 1-4 days
Prilosec Generic Ans: Omeprazole
Omeprazole Class Ans: PPI (Proton Pump Inhibitor)
Omeprazole Dosing Ans: Adults: 20 mg po daily × 14 d
Omeprazole: Treatment or Prevention? Ans: Prevention
Nexium generic Ans: Esomeprazole
Esomeprazole Class Ans: PPI
Esomeprazole Dosing Ans: Adults: 20 mg once daily × max 14 d
Esomeprazole: Treatment or Prevention? Ans: Prevention
PHAR 501 Exam 1 Drugs + Dosing Questions and
Correct Answers | Latest Update
Alli Generic Ans: Orlistat
Alli Indicaition Ans: Weight loss in overweight adults when used along
with a reduced-calorie and low-fat diet
Alli MOA Ans: A reversible inhibitor of intestinal lipases
Alli Dosing Ans: 60 mg PO TID during or within 1 hour of each fat-
containing meals
Assignment Expert
Alli Counseling Points Ans: - reduced absorption of fat-soluble vitamins
Guru01 - Stuvia
A,D,E,K and beta-carotene
- doses may be skipped if a meal is missed or contains no fat
- do not take more than three times a day
2026
- GI adverse effects decrease after the first month of therapy
©
TUMS generic Ans: Calcium Carbonate
Antacids MOA Ans: react with stomach acid to form salt (NaCl, CaCl2,
Al2Cl2) and water -> neutralizes acid, byproduct is CO2 = causes gas
Antacids Onset Ans: 5 minutes
Antacids Duration Ans: 20 mins (empty stomach) to 3 hours
Calcium Carbonate Dosing Ans: Adults and Children ≥ 12 y of age: 2-4
tablets po q2h prn (max 8g calcium carbonate per 24h).
Children 6-11 y of age: 364 mg po q2h prn (max 966/24 h)
Children 2-5 y of age: 161 mg po q2h prn (max 483 mg/24 h)
Calcium Carbonate: Prevention or Treatment? Ans: Treatment
, 2 for specific request mail
Calcium Carbonate Class Ans: Antacids
Antacids Counseling Points Ans: - chewable tablets should be chewed
completely and followed with a glass of water
- dosing is product specific but should not be taken more than 4 times a
day
- ADRs: diarrhea with Mg or Mg/Al products, constipation with Ca to Al
products
- watch for drug interactions
Assignment Expert
Milk of Magnesia generic Ans: Magnesium Hydroxide
Guru01 - Stuvia
Magnesium Hydroxide Class Ans: Antacids
Magnesium Hydroxide Dosing Ans: Adult and Children ≥12 y of age: 400-
1200 mg po prn up to qid
2026
Magnesium Hydroxide: Treatment or Prevention? Ans: Treatment
Magnesium Hydroxide Counseling Points Ans: - Diarrhea with Mg
©
products (Most Common)
- Nausea, vomiting, cramping, abdominal pain, dehydration (Less
Common)
- Electrolyte imbalance, fluid imbalance
- Take the product with 240 mL of liquid
H2RAs MOA Ans: Bind competitively and reversibly to H2 receptors of
gastric parietal cells --> increase gastric pH
H2RAs Onset Ans: 30-45 minutes
H2RAs Duration Ans: 4-10 hours
H2RAs ADRs Ans: - Diarrhea, constipation, headache
, 3 for specific request mail
- generally well tolerated
H2RAs Drug Interactions Ans: - Cimetidine is a CYP 450 inhibitor (3A4,
2D6, 1A2, and 2C9)
- reduced absorption of ketoconazole, itraconazole, and iron in. a low-
acid environment
Pepcid generic Ans: Famotidine
Famotidine Class Ans: H2RAs
Famotidine Dosing Ans: Adults and Children ≥ 12 y of age: 10-20 mg po
Assignment Expert
bid for up to 14 d; max 40 mg/d
Guru01 - Stuvia
Famotidine: Treatment or Prevention? Ans: Both
Prevention: 15-60 minutes before known irritating foods
PPI MOA Ans: Bind irreversibly to H+/K+ ATPase pump (proton pump) in
2026
gastric parietal cells --> inhibition of gastric acid secretion
PPI Onset Ans: 2-3 hours
©
PPI Duration Ans: complete relief in 1-4 days
Prilosec Generic Ans: Omeprazole
Omeprazole Class Ans: PPI (Proton Pump Inhibitor)
Omeprazole Dosing Ans: Adults: 20 mg po daily × 14 d
Omeprazole: Treatment or Prevention? Ans: Prevention
Nexium generic Ans: Esomeprazole
Esomeprazole Class Ans: PPI
Esomeprazole Dosing Ans: Adults: 20 mg once daily × max 14 d
Esomeprazole: Treatment or Prevention? Ans: Prevention
