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PHAR 505 Exam 2 Questions and Answers | 800+ Practice Questions on Hyperlipidemia, Statins, ASCVD, Antiplatelet Therapy & Cholesterol Pharmacology

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Prepare thoroughly for PHAR 505 Exam 2 with this comprehensive collection of 800+ exam-style questions and verified answers covering the most important concepts in cardiovascular pharmacotherapy, lipid management, cholesterol metabolism, and antiplatelet therapy. Designed for pharmacy students and healthcare professionals, this resource provides an extensive review of foundational biochemical pathways, evidence-based pharmacologic interventions, clinical treatment guidelines, and therapeutic decision-making required for success in university examinations and professional pharmacy courses. The question-and-answer format promotes active recall, reinforces high-yield concepts, and serves as an excellent revision tool for quizzes, midterms, final examinations, and licensure preparation. This study guide provides detailed coverage of cholesterol biosynthesis, HMG-CoA reductase, mevalonate pathway, LDL and HDL metabolism, lipoprotein transport, familial hypercholesterolemia, ASCVD pathophysiology, endothelial dysfunction, atherosclerosis progression, plaque formation, lipid screening recommendations, statin pharmacology, statin intensity classifications, ezetimibe, PCSK9 inhibitors, inclisiran, bempedoic acid, bile acid sequestrants, fibrates, omega-3 fatty acids, hypertriglyceridemia management, cardiovascular risk assessment, primary and secondary ASCVD prevention, pooled cohort equations, cholesterol treatment guidelines, antiplatelet pharmacology, aspirin, P2Y12 inhibitors, clopidogrel, prasugrel, ticagrelor, cangrelor, CYP2C19 pharmacogenomics, platelet physiology, thrombus formation, adverse drug reactions, pharmacokinetics, pharmacodynamics, and evidence-based cardiovascular therapeutics. The material integrates both mechanistic pharmacology and clinical application, making it highly valuable for mastering therapeutic principles and patient management strategies. The content aligns closely with the pharmacotherapy and cardiovascular disease recommendations published by the American College of Cardiology (ACC), American Heart Association (AHA), and major pharmacy education references. Core concepts are consistent with DiPiro's Pharmacotherapy: A Pathophysiologic Approach, Goodman & Gilman's The Pharmacological Basis of Therapeutics, Katzung's Basic & Clinical Pharmacology, and the 2022 ACC Expert Consensus Decision Pathway on the Role of Nonstatin Therapies for LDL-Cholesterol Lowering, all of which are widely adopted in Doctor of Pharmacy (PharmD) curricula and advanced pharmacotherapy programs. References DiPiro, J. T., Yee, G. C., Posey, L. M., Haines, S. T., Nolin, T. D., & Ellingrod, V. L. (2023). Pharmacotherapy: A Pathophysiologic Approach (12th ed.). McGraw-Hill. Brunton, L. L., Hilal-Dandan, R., & Knollmann, B. C. (Eds.). (2023). Goodman & Gilman's The Pharmacological Basis of Therapeutics (14th ed.). McGraw-Hill. Katzung, B. G., & Vanderah, T. W. (2024). Basic & Clinical Pharmacology (16th ed.). McGraw-Hill. Virani, S. S., Morris, P. B., Agarwala, A., et al. (2022). 2022 ACC Expert Consensus Decision Pathway on the Role of Nonstatin Therapies for LDL-Cholesterol Lowering in the Management of Atherosclerotic Cardiovascular Disease Risk. Journal of the American College of Cardiology, 80(14), 1366–1418. Grundy, S. M., Stone, N. J., Bailey, A. L., et al. (2019). 2018 AHA/ACC/AACVPR/AAPA/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Blood Cholesterol. Circulation, 139(25), e1082–e1143. Relevant Students: Doctor of Pharmacy (PharmD) students, Pharmacy students, Clinical Pharmacy students, Pharmacology students, Medicinal Chemistry students, Medical students, Physician Assistant students, Nursing students, Advanced Practice Nursing students, Biomedical Science students, Cardiovascular Pharmacotherapy students, Internal Medicine residents, Healthcare professionals preparing for pharmacotherapy examinations. Keywords: PHAR 505, PHAR 505 Exam 2, pharmacotherapy exam questions, pharmacy exam preparation, cardiovascular pharmacology, hyperlipidemia, dyslipidemia, cholesterol metabolism, cholesterol biosynthesis, mevalonate pathway, HMG-CoA reductase, statins, atorvastatin, rosuvastatin, lovastatin, ezetimibe, PCSK9 inhibitors, evolocumab, alirocumab, inclisiran, bempedoic acid, bile acid sequestrants, fibrates, fenofibrate, omega-3 fatty acids, icosapent ethyl, LDL cholesterol, HDL cholesterol, triglycerides, lipoproteins, familial hypercholesterolemia, ASCVD, atherosclerosis, cardiovascular disease, lipid management, ACC guidelines, AHA cholesterol guidelines, primary prevention, secondary prevention, antiplatelet therapy, aspirin, clopidogrel, prasugrel, ticagrelor, cangrelor, platelet aggregation, CYP2C19, pharmacogenomics, cardiovascular therapeutics, pharmacy study guide, PharmD exam, clinical pharmacology, evidence-based medicine

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PHAR 505 Exam 2 2026 Exam
Questions and Answers |
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What lipoprotein is described in the lecture as causally linked to

atherosclerotic cardiovascular disease? - ANSWER ✔✔LDL.


What happens when LDL accumulates in vessel walls? - ANSWER

✔✔Lipid accumulation and inflammation promote formation of

atherosclerotic plaque.


Why should circulating LDL be kept low? - ANSWER ✔✔Because

both the magnitude and duration of LDL exposure increase ASCVD risk.

,What are the three major sources or fates emphasized for cholesterol

homeostasis? - ANSWER ✔✔Import from diet, synthesis in cells, and

oxidation to bile acids.

What is the basic building block of cholesterol biosynthesis? -

ANSWER ✔✔The isoprene unit, a C5 hydrocarbon skeleton.


What are isoprenoids? - ANSWER ✔✔Linear compounds made of

repeating C5 isoprene units.


What are terpenoids? - ANSWER ✔✔Compounds derived from the

same C5 unit that can be oxidized, cyclized, and rearranged.


How many carbons does cholesterol contain? - ANSWER ✔✔27

carbons.

How is cholesterol made from isoprene-based precursors? -

ANSWER ✔✔C5 subunits are stitched together to form a C30

precursor, then 3 carbons are removed to yield cholesterol.


What major structural class does cholesterol belong to? - ANSWER

✔✔Steroids.


What is the steroid framework of cholesterol? - ANSWER ✔✔Three

fused 6-membered rings and one fused 5-membered ring.

,What does alpha mean in steroid nomenclature? - ANSWER ✔✔A

substituent below the plane of the molecule.


What does beta mean in steroid nomenclature? - ANSWER ✔✔A

substituent above the plane of the molecule.


What ring conformations are common in steroids? - ANSWER

✔✔Chair and boat conformations.


How do hydroxyl groups affect steroid properties? - ANSWER

✔✔They make steroids more hydrophilic.


How do ketones affect steroid properties relative to hydroxyl groups? -

ANSWER ✔✔Ketone-containing steroids are often more

hydrophobic.

What is the starting precursor for cholesterol biosynthesis? -

ANSWER ✔✔Acetyl-CoA.


Where does acetyl-CoA come from according to the lecture? -

ANSWER ✔✔Fatty acid breakdown in mitochondria and sugar

breakdown through glycolysis.

How many acetyl-CoA molecules are linked to form HMG-CoA? -

ANSWER ✔✔Three.

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, What enzyme converts HMG-CoA to mevalonate? - ANSWER

✔✔HMG-CoA reductase.


What kind of reaction does HMG-CoA reductase catalyze? -

ANSWER ✔✔Reduction of a thioester to a primary alcohol.


What reducing agent is used by HMG-CoA reductase? - ANSWER

✔✔Two molecules of NADPH.


What is the rate-limiting step in cholesterol biosynthesis? - ANSWER

✔✔Conversion of HMG-CoA to mevalonate by HMG-CoA reductase.


Where is HMG-CoA reductase located? - ANSWER ✔✔In the ER

membrane.

What is the first phosphorylation step after mevalonate formation? -

ANSWER ✔✔Mevalonate is converted to phosphomevalonate.


What enzyme carries out the first phosphorylation of mevalonate? -

ANSWER ✔✔Mevalonate-5-phosphotransferase.


What is the second phosphorylation step in the mevalonate pathway? -

ANSWER ✔✔Phosphomevalonate is converted to 5-

pyrophosphomevalonate.

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