Medical Knowledge Anatomy & Physiology 1 — Questions and Answers
Question 1: Which organ is primarily responsible for filtering blood and producing urine?
- Liver
- Kidney (Correct answer)
- Spleen
- Pancreas
Correct answer: Kidney
The kidneys filter approximately 200 liters of blood daily to produce urine.
Question 2: What is the normal adult resting heart rate range?
- 40–60 bpm
- 60–100 bpm (Correct answer)
- 100–120 bpm
- 20–40 bpm
Correct answer: 60–100 bpm
A normal adult resting heart rate is between 60 and 100 beats per minute.
Question 3: Which chamber of the heart pumps oxygenated blood to the body?
- Right atrium
- Right ventricle
- Left atrium
- Left ventricle (Correct answer)
Correct answer: Left ventricle
The left ventricle pumps oxygenated blood through the aorta to the systemic circulation.
Question 4: What is the primary function of the diaphragm?
- Digestion
- Respiration (Correct answer)
- Circulation
- Filtration
Correct answer: Respiration
The diaphragm is the primary muscle of respiration, contracting to draw air into the lungs.
Question 5: Which blood cells primarily transport oxygen throughout the body?
- White blood cells
- Platelets
- Red blood cells (Correct answer)
- Plasma
Correct answer: Red blood cells
Red blood cells contain hemoglobin, which binds oxygen for delivery to body tissues.
Question 6: What is the largest organ of the human body?
- Liver
- Brain
- Lungs
- Skin (Correct answer)
Correct answer: Skin
The skin is the largest organ by surface area, covering approximately 1.7 square meters in adults.
Medical Knowledge Anatomy & Physiology 1
Which organ is primarily responsible for filtering blood and producing urine?