Human Physiology 50 Mcqs With Answers

Human Physiology - 50 MCQs with Answers1. The functional unit of the kidney is:A. NeuronB. NephronC. GlomerulusD. AlveolusAnswer: B. Nephron2. The pacemaker of the heart is:A. AV nodeB. SA nodeC. Bundle of HisD. Purkinje fibersAnswer: B. SA node3. Normal blood pH in humans is:A. 6.8-7.0B. 7.35-7.45C. 7.8-8.0D. 8.2-8.5Answer: B. 7.35-7.454. The hormone responsible for regulating blood glucose by lowering it is:A. GlucagonB. InsulinC. CortisolD. EpinephrineAnswer: B. Insulin5. The hormone secreted in response to low blood glucose is:A. InsulinB. GlucagonC. ThyroxineD. CalcitoninAnswer: B. Glucagon6. Gas exchange in the lungs takes place in the:A. BronchiB. BronchiolesC. AlveoliD. T racheaAnswer: C. Alveoli7. The largest part of the brain is:A. CerebellumB. CerebrumC. Medulla oblongataD. HypothalamusAnswer: B. Cerebrum8. Which part of the brain regulates temperature, hunger , and thirst?A. ThalamusB. HypothalamusC. CerebellumD. Medulla oblongataAnswer: B. Hypothalamus9. The normal resting heart rate in adults is:A. 40-60 bpmB. 60-100 bpmC. 100-120 bpmD. 120-150 bpmAnswer: B. 60-100 bpm10. The normal tidal volume in a healthy adult is approximately:A. 100 mLB. 250 mLC. 500 mLD. 1000 mLAnswer: C. 500 mL11. Which vitamin is essential for calcium absorption?A. V itamin AB. Vitamin CC. Vitamin DD. Vitamin KAnswer: C. V itamin D12. The oxygen-carrying protein in red blood cells is:A. MyoglobinB.