Cardiovascular System MCAT Practice Questions
12 board-style MCAT questions in Biological & Biochemical Foundations (B/B). Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- MCAT · medium1. A 45-year-old man with a history of hypertension presents to the emergency department with palpitations and dyspnea. Cardiac monitoring reveals atrial fibrillation with a ventri…
- MCAT · medium2. A 58-year-old man with a 10-year history of hypertension presents to the hospital with progressive dyspnea on exertion and orthopnea over the past 3 months. Physical examination…
- MCAT · medium3. A 58-year-old man with a 15-year history of poorly controlled hypertension presents to clinic with persistent blood pressure of 162/98 mmHg despite lifestyle modifications. Labo…
- MCAT · medium4. A 68-year-old man with a history of hypertension and type 2 diabetes mellitus presents for evaluation of dyspnea on exertion. Physical examination reveals an S4 gallop. Transtho…
- MCAT · medium5. A 35-year-old man with a known ventricular septal defect presents to clinic for routine follow-up. He reports progressive dyspnea on exertion over the past 2 years. Physical exa…
- MCAT · medium6. Researchers investigate myocardial oxygen consumption (MVO₂) in different cardiac conditions. The rate-pressure product (heart rate × systolic blood pressure) serves as a clinic…
- MCAT · medium7. A 34-year-old man is brought to the emergency department following a motor vehicle collision. He is alert but anxious, with a heart rate of 118/min, blood pressure of 92/58 mmHg…
- MCAT · medium8. A 72-year-old man with a history of hypertension and left ventricular hypertrophy presents with palpitations and dyspnea on exertion. On examination, an irregularly irregular pu…
- MCAT · medium9. Researchers study the molecular basis of cardiac contraction by examining the interaction between actin and myosin filaments. During systole, myosin heads bind to actin in a cal…
- MCAT · medium10. A 62-year-old male with atherosclerosis undergoes cardiac catheterization revealing a 70% stenosis in the left anterior descending coronary artery. The cardiologist explains tha…
- MCAT · medium11. A 24-year-old male competitive runner presents to the sports medicine clinic for a pre-season cardiovascular evaluation. During maximal treadmill exercise testing, his heart rat…
- MCAT · medium12. A 45-year-old man with a 10-year history of hypertension is started on lisinopril 10 mg daily. His baseline blood pressure is 158/96 mmHg and serum creatinine is 1.0 mg/dL. Two…