NURS617 Midterms ACCURATE QUESTIONS AND DETAILED ANSWERS | GUARANTEED PASS | GRADED A | LATEST UPDATE

1. What is psychological dependence? a) A condition where a person believes they need a drug to feel good or function normally b) A physical dependence on drugs c) An allergy to medication d) A type of overdose reaction Correct answer: a) A condition where a person believes they need a drug to feel good or function normally Rationale: Psychological dependence refers to the belief that a drug is required to function or feel good, often without physical dependence. 2. What is an allergic reaction to a medication? a) A reaction caused by a drug's therapeutic effects b) An immunologic hypersensitivity reaction resulting from unusual sensitivity to a medication c) A side effect of a drug d) A condition that occurs when a drug causes addiction Correct answer: b) An immunologic hypersensitivity reaction resulting from unusual sensitivity to a medication Rationale: Allergic reactions are immune system responses to medications, characterized by hypersensitivity. 3. What is an idiosyncratic or paradoxical reaction to a drug? a) When a drug causes expected effects b) When a drug causes the opposite of the expected effects in some patients c) A type of allergic reaction d) A drug overdose symptom Correct answer: b) When a drug causes the opposite of the expected effects in some patients Rationale: Idiosyncratic or paradoxical reactions are unusual, unexpected responses to drugs, sometimes opposite to the intended effects. 4. What is a carcinogenic reaction? a) A reaction that causes birth defects b) A reaction where a drug leads to the development of cancer c) A condition where a drug interacts with another to cause toxicity d) A reaction resulting in allergic sensitivity Correct answer: b) A reaction where a drug leads to the development of cancer Rationale: Carcinogenic reactions involve medications or chemicals that can cause cancer. 5. What does a teratogenic reaction refer to? a) Damage caused by a drug in the fetus b) Drug interactions causing birth defects c) Allergic reactions in pregnant women d) Drug-induced damage in the brain Correct answer: a) Damage caused by a drug in the fetus Rationale: Teratogenic reactions refer to damage that a drug can cause to a developing fetus. 6. What type of drug interaction is demonstrated by the combination of aspirin and codeine for pain relief? a) Harmful potentiative drug interaction b) Beneficial potentiative drug interaction c) Harmful inhibitory drug interaction d) Beneficial inhibitory drug interaction Correct answer: b) Beneficial potentiative drug interaction Rationale: Aspirin and codeine, when used together, enhance each other’s effects, providing better pain relief. 7. What type of drug interaction occurs when Beta Blockers and Diuretics are used together to control hypertension? a) Harmful potentiative drug interaction b) Beneficial potentiative drug interaction c) Harmful inhibitory drug interaction d) Beneficial inhibitory drug interaction Correct answer: b) Beneficial potentiative drug interaction Rationale: Beta blockers and diuretics work together to provide better control over blood pressure. 8. What type of drug interaction occurs when diazepam and morphine are combined? a) Harmful potentiative drug interaction b) Beneficial potentiative drug interaction c) Harmful inhibitory drug interaction d) Beneficial inhibitory drug interaction Correct answer: a) Harmful potentiative drug interaction Rationale: Diazepam and morphine together enhance central nervous system depression, which can lead to respiratory distress. 9. What is a harmful inhibitory drug interaction? a) When Naloxone is used to reverse the effects of Meperidine overdose b) When Protamine is used to counteract Heparin overdose c) When Naloxone is given to a patient dependent on Morphine, causing withdrawal symptoms d) When administering aspirin with Coumadin for blood thinning Correct answer: c) When Naloxone is given to a patient dependent on Morphine, causing withdrawal symptoms Rationale: This can trigger a sudden and severe withdrawal reaction in opioid-dependent patients. 10. What type of drug interaction is exemplified by the combination of loperamide and Milk of Magnesia? a) Harmful inhibitory drug interaction b) Beneficial inhibitory drug interaction c) Harmful potentiative drug interaction d) Beneficial potentiative drug interaction Correct answer: a) Harmful inhibitory drug interaction Rationale: Loperamide and Milk of Magnesia counteract each other, leading to no benefit for the patient. 11. What is an example of a pharmacokinetic drug interaction? a) A drug causing an allergic reaction b) One drug affecting the absorption of another drug c) A drug causing a paradoxical reaction in patients d) A drug combination that enhances the therapeutic effects Correct answer: b) One drug affecting the absorption of another drug Rationale: Pharmacokinetic interactions involve one drug affecting the absorption, distribution, metabolism, or elimination of another drug. 12. What is the mechanism of action of Thiazide diuretics? a) They block sodium and water reabsorption in the distal tubule b) They increase sodium reabsorption in the kidneys c) They inhibit potassium reabsorption in the nephron d) They directly act on the heart to lower blood pressure Correct answer: a) They block sodium and water reabsorption in the distal tubule Rationale: Thiazides prevent sodium and water from being reabsorbed, reducing blood volume and lowering blood pressure. 13. Which of the following diuretics is effective for African American patients or those with salt-sensitive hypertension? a) Loop diuretics b) Potassium-sparing diuretics c) Thiazide diuretics d) Carbonic anhydrase inhibitors Correct answer: c) Thiazide diuretics Rationale: Thiazides are particularly effective for African American patients and those with salt-sensitive hypertension. 14. Which electrolyte imbalance is most commonly seen with loop diuretics? a) Hyperkalemia b) Hypokalemia and hypomagnesemia c) Hypernatremia d) Hypercalcemia Correct answer: b) Hypokalemia and hypomagnesemia Rationale: Loop diuretics commonly lead to low potassium and magnesium levels due to their effects on the kidneys. 15. Which diuretic might cause ototoxicity, especially in patients with pre-existing hearing issues or those on other ototoxic drugs? a) Thiazide diuretics b) Potassium-sparing diuretics c) Loop diuretics d) Carbonic anhydrase inhibitors Correct answer: c) Loop diuretics Rationale: Loop diuretics, especially at high doses, can cause ototoxicity, damaging hearing. 16. What is the primary mechanism of action of potassium-sparing diuretics? a) They block aldosterone, leading to sodium and water excretion and potassium retention b) They inhibit sodium reabsorption in the loop of Henle c) They promote potassium and magnesium excretion d) They block calcium reabsorption in the kidneys Correct answer: a) They block aldosterone, leading to sodium and water excretion and potassium retention Rationale: Potassium-sparing diuretics block aldosterone's action, reducing sodium and water retention while retaining potassium. 17. Which electrolyte imbalance can potassium-sparing diuretics cause, especially in patients with renal impairment? a) Hypokalemia b) Hyperkalemia c) Hyponatremia d) Hypocalcemia Correct answer: b) Hyperkalemia Rationale: Potassium-sparing diuretics can lead to dangerously high potassium levels, particularly in patients with renal impairment. 18. Which diuretic is associated with causing gynecomastia? a) Furosemide b) Spironolactone c) Hydrochlorothiazide d) Amiloride Correct answer: b) Spironolactone Rationale: Spironolactone is a potassium-sparing diuretic that can cause gynecomastia as a side effect due to its anti-androgenic properties. 19. What is the action of alpha-2 adrenergic agonists in the treatment of hypertension? a) They block alpha-1 receptors, reducing vascular tone b) They inhibit the sympathetic nervous system, reducing heart rate and blood pressure c) They increase the release of norepinephrine to constrict blood vessels d) They relax smooth muscle in the blood vessels Correct answer: b) They inhibit the sympathetic nervous system, reducing heart rate and blood pressure Rationale: Alpha-2 adrenergic agonists work centrally in the brain to reduce sympathetic nervous system activity, lowering heart rate and blood pressure. 20. Which of the following is an example of an alpha-2 adrenergic agonist? a) Prazosin b) Clonidine c) Doxazosin d) Reserpine Correct answer: b) Clonidine Rationale: Clonidine is an alpha-2 adrenergic agonist used to treat hypertension by reducing sympathetic activity. 21. What is a disadvantage of using alpha-2 adrenergic agonists like clonidine? a) They can cause significant electrolyte imbalances b) They may lead to CNS sedation and dizziness c) They can cause tachycardia d) They significantly increase the risk of stroke Correct answer: b) They may lead to CNS sedation and dizziness Rationale: Alpha-2 adrenergic agonists, including clonidine, can cause CNS sedation, dizziness, and other side effects like dry mouth and bradycardia. 22. What is the mechanism of action of alpha-1 blockers in treating hypertension? a) They block beta-1 receptors, reducing heart rate b) They antagonize alpha-1 receptors, leading to vasodilation c) They increase sodium retention in the kidneys d) They inhibit the action of aldosterone Correct answer: b) They antagonize alpha-1 receptors, leading to vasodilation Rationale: Alpha-1 blockers reduce blood pressure by blocking alpha-1 receptors, which causes vasodilation of blood vessels. 23. Which of the following medications is an example of an alpha-1 blocker? a) Clonidine b) Prazosin c) Lisinopril d) Metoprolol Correct answer: b) Prazosin Rationale: Prazosin is an example of an alpha-1 blocker used to treat hypertension and symptoms of benign prostatic hyperplasia (BPH). 24. Which of the following is a disadvantage of using alpha-1 blockers? a) Bradycardia b) Orthostatic hypotension c) Increased heart rate d) Increased blood sugar levels Correct answer: b) Orthostatic hypotension Rationale: A known side effect of alpha-1 blockers is orthostatic hypotension, which causes dizziness and fainting when standing up.