NSG 318 (GCU) EXAM 3 2025 SUMMER-FALL/NSG318 INTODUCTION TO PHARMACOLOGY EXAM 3 NEWEST 2025 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+.

GRAND CANYON UNIVERSITY NSG 318 (GCU) EXAM 3 2025 SUMMER-FALL/NSG318 INTODUCTION TO PHARMACOLOGY EXAM 3 NEWEST 2025 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+. What is the action of Digoxin - CORRECT ANSinhibits sodium-potassium ATPase, promoting increased force of cardiac contraction, cardiac out, and tissue perfusion; decreases ventricular rate What effects on the heart muscle does Digoxin influence? - CORRECT ANSincreases myocardial contractility; decreases HR; decreases conduction and increases cardiac output Digoxin therapeutic effects/ uses - CORRECT ANStreats heart failure and atrial fibrillation Therapeutic serum level for Digoxin - CORRECT ANS0.5-1 ng/mL Important nursing implication the nurse should consider before administering Digoxin? - CORRECT ANSDO NOT administer if under 60 bpm (Assess BP and HR before administration) A patient is experiencing an overdose of Digoxin. What is the most appropriate nursing intervention? - CORRECT ANSadminister Digoxin Immune Fab GRAND CANYON UNIVERSITY What is angina? - CORRECT ANSacute cardiac pain caused by inadequate blood flow to the myocardium -decreased blood flow= chest pain What is the action of Nitroglycerin? - CORRECT ANSdecreases myocardial demand for oxygen What are the therapeutic effects/ uses of Nitroglycerin? - CORRECT ANScontrols angina What is the action of Atenolol? - CORRECT ANSselectively blocks beta 1 receptor sites; decreases sympathetic outflow to the periphery; suppresses reninangiotensin- aldosterone system Which drugs are used to treat acute MI? - CORRECT ANSAtenolol, Metoprolol and Nitroglycerin What is the action of Diltiazem? - CORRECT ANSinhibits the transport of calcium to the myocardial cells which drugs contain the suffix -olol - CORRECT ANSbeta blockers What is Diltiazem used for? - CORRECT ANSrelaxes both coronary and peripheral blood vessels, bringing more oxygen to the myocardium and reducing cardiac workload -used for HTN and atrial dysthymias What is the action of Thiazide diuretic? - CORRECT ANSpromotes sodium, chloride and water excretion -decreases preload and cardiac output, edema -acts on arterioles and cause vasodilation which decreases BP GRAND CANYON UNIVERSITY What two diuretics act on the renal distal tubules? - CORRECT ANSThiazide and Spironolactone What is the action of Metoprolol? - CORRECT ANSpromotes BP reduction by beta 1 blocking effects What is the action of Prazosin Hydrochloride? - CORRECT ANSdilates peripheral blood vessel by blocking alpha adrenergic receptors What is the action of Lisinopril? - CORRECT ANSinhibit formation of angiotensin II; blocks the release of aldosterone what does aldosterone do - CORRECT ANSIncreases reabsorption of sodium and increases secretion of potassium What is the action of Valsartan? - CORRECT ANSpotent vasodilator that inhibits binding of angiotensin II ACE inhibitor - CORRECT ANSLisinopril What is the action of Heparin - CORRECT ANSinhibits thrombin, which prevents conversion of fibrogen to fibrin If a patient is experiencing Heparin overdose. What is the most appropriate nursing intervention? - CORRECT ANSadministering Protamine Sulfate What is the action of Warfarin (Coumadin)? - CORRECT ANSdepresses hepatic synthesis of vitamin K clotting factors the patient is experiencing a warfarin overdose. what is the most appropriate nursing intervention? - CORRECT ANSadministering vitamin K GRAND CANYON UNIVERSITY What is the action of Clopidogrel? - CORRECT ANSinhibits platelet aggregation and prevents ADP (adenosine diphosphate) from binding with the ADP platelet receptors What is the action of Alteplase (tPA)? - CORRECT ANSpromote conversion of plasminogen to plasmin (an enzyme that digests fibrin matrix of clots) -initiates fibrinolysis the patient is experiencing an overdose of Alteplase. what is the best nursing intervention - CORRECT ANSadministering Aminocaproic acid What is the action of Rosuvastatin? - CORRECT ANSinhibits HMG-CoA reductase (the enzyme necessary for hepatic production of cholesterol) What is Rosuvastatin used for - CORRECT ANSto decrease cholesterol levels and serum lipids, especially LDL and triglycerides -treatments of atherosclerosis, hypercholesterolemia, hyperlipoproteinemia, and hyperglyceridemia What is the action of Cilostazol? - CORRECT ANSacts directly to inhibit platelet aggregation and cause vasodilation, especially in femoral vasculature What is cilostazol used for? - CORRECT ANSto treat peripheral vascular disease and intermittent claudication What is claudication? - CORRECT ANSpain and weakness of a limb when walking but no symptoms at rest associated with inadequate blood supply What is Amoxicillin used for - CORRECT ANStreats Otitis media (ear infection); sinusitis, gastric/duodenal, ulcers; and skin/respiratory and urinary tract infections GRAND CANYON UNIVERSITY What is ceftriaxone used for? - CORRECT ANSotitis media, meningitis, appendicitis and gonorrhea -has increased resistance to destruction by beta-lactamases -effective against gram-positive and gram-negative bacteria What are the routes of administration for Ceftriaxone - CORRECT ANSIntramuscular and Intravenous What is Azithromycin used for - CORRECT ANSbacterial conjunctivitis, OM, tonsillitis, sinusitis, STIs, skin & respiratory infections What is doxycycline used to treat? - CORRECT ANSacne. anthrax, gingivitis, STIs, Rickettsia -effective against E. coli and MRSA