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Portage Learning Anatomy & Physiology
2: Module 1 Exam Questions and
Answers | Latest Version | 2025/2026 | Correct & Verified
What is the outermost layer of the heart called?✔✔ Epicardium
What is the name of the fluid-filled sac surrounding the heart?✔✔ Pericardium
Which node delays the electrical signal allowing the ventricles to fill with blood?✔✔ Atrioventricular (AV) node
What is systole in the cardiac cycle?✔✔ Contraction phase of the heart
What is diastole in the cardiac cycle?✔✔ Relaxation phase of the heart 1 / 3
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Which blood pressure number represents the force during heart contraction?✔✔ Systolic pressure
What does a heart murmur typically indicate?✔✔ Abnormal valve function
What are the smallest blood vessels in the body?✔✔ Capillaries
Where is the pacemaker of the heart located?✔✔ Right atrium
What is the function of the coronary arteries?✔✔ To supply oxygenated blood to the heart muscle
What part of the ECG represents ventricular depolarization?✔✔ QRS complex 2 / 3
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Which system controls heart rate through sympathetic and parasympathetic pathways?✔✔ Autonomic nervous system
What causes the first heart sound (“lub”)?✔✔ Closure of the AV valves
What causes the second heart sound (“dub”)?✔✔ Closure of the semilunar valves
Which blood vessel has the thickest wall?✔✔ Artery
What is the term for an abnormally slow heart rate?✔✔ Bradycardia
What is the term for an abnormally fast heart rate?✔✔ Tachycardia
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