University of Benin

PHA 303

Practice 273+ past questions for PHA 303 at University of Benin. Organized by topic with explanations. Free preview on Testwiz.

273+ questions45 topics300 LevelTheory questionsTopic summaries

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About PHA 303 at University of Benin

PHA 303 is a 300 Level course at University of Benin. Students preparing for PHA 303 exams on Testwiz get 273+ practice questions across 45 topics, including theory questions and topic summaries.

Instead of cramming the night before, students who practice by topic — Loop Diuretics: Mechanism and High Ceiling Effects, Diuretic Action Sites in Renal System, Carbonic Anhydrase Inhibitors: Acetazolamide, Methazolamide, and more — build real familiarity with how University of Benin tests PHA 303, catch weak spots early with Testwiz's analytics, and walk into the exam with actual reps under their belt.

Topics covered

Loop Diuretics: Mechanism and High Ceiling EffectsDiuretic Action Sites in Renal SystemCarbonic Anhydrase Inhibitors: Acetazolamide, MethazolamideCombination Diuretics: Amiloride, Spironolactone, TriamtereneOsmotic Diuretics: Glycerin, Isosorbide, Urea, MannitolAsthma Pathophysiology: Mast Cell SensitizationBronchodilators for Asthmatic Crisis ManagementStool Wetting Agents: Docusate Salts and Liquid ParaffinStimulant Purgatives: Anthraquinones, Castor Oil, DiphenylmethanesAntisecretory AgentsAntimotility AgentsProbiotics+33 more

Sample questions

1. Which of the following is the PRIMARY mechanism of action of loop diuretics?

a.Inhibition of the Na+/Cl- cotransporter in the distal convoluted tubule

b.Competitive antagonism of aldosterone in the collecting duct

c.Inhibition of the Na+/K+/2Cl- cotransporter in the thick ascending limb of the loop of Henle

d.Inhibition of carbonic anhydrase in the proximal convoluted tubule

2. A patient on long-term thiazide therapy develops hyperglycemia. Which of the following side effects is MOST likely responsible for this finding?

a.Hypokalemia leading to decreased insulin secretion

b.Direct inhibition of pancreatic beta-cell function

c.Increased gluconeogenesis in the liver

d.Decreased peripheral glucose utilization

3. Which of the following is a carbonic anhydrase inhibitor used in the management of glaucoma?

a.Bumetanide

b.Acetazolamide

c.Spironolactone

d.Mannitol

4. Which of the following statements about the mechanism of action of spironolactone is CORRECT?

a.It directly blocks sodium channels in the collecting duct

b.It competitively inhibits the binding of aldosterone to its intracellular receptor

c.It inhibits the Na+/K+/2Cl- cotransporter in the loop of Henle

d.It increases the osmotic pressure of the tubular fluid

5. An osmotic diuretic like mannitol is MOST effective in which part of the nephron?

a.Thick ascending limb of the loop of Henle

b.Distal convoluted tubule

c.Proximal tubule and descending limb

d.Collecting duct

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Testwiz has 273+ PHA 303 practice questions for University of Benin, organized across 45 topics, including theory questions. Sign up free to start practicing.

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What topics does PHA 303 cover on Testwiz?

PHA 303 on Testwiz covers Loop Diuretics: Mechanism and High Ceiling Effects, Diuretic Action Sites in Renal System, Carbonic Anhydrase Inhibitors: Acetazolamide, Methazolamide, and more. Practice on Testwiz to see the full topic breakdown and sample questions.