CMA CMA Anatomy & Physiology 1 — Questions and Answers
Question 1: Which organ is responsible for filtering blood and producing urine?
- Liver
- Kidney (Correct answer)
- Spleen
- Pancreas
Correct answer: Kidney
The kidneys filter blood to remove waste products and excess water, producing urine.
Question 2: The mitral valve is located between which two chambers of the heart?
- Right atrium and right ventricle
- Left atrium and left ventricle (Correct answer)
- Right ventricle and pulmonary artery
- Left ventricle and aorta
Correct answer: Left atrium and left ventricle
The mitral (bicuspid) valve separates the left atrium from the left ventricle.
Question 3: Which body system is primarily responsible for gas exchange?
- Cardiovascular system
- Digestive system
- Respiratory system (Correct answer)
- Urinary system
Correct answer: Respiratory system
The respiratory system, including the lungs and airways, performs gas exchange between oxygen and carbon dioxide.
Question 4: What is the largest organ of the human body?
- Liver
- Brain
- Skin (Correct answer)
- Lungs
Correct answer: Skin
The skin is the largest organ, covering the entire external surface of the body.
Question 5: The femur is the bone of which part of the body?
- Upper arm
- Lower leg
- Upper leg (thigh) (Correct answer)
- Forearm
Correct answer: Upper leg (thigh)
The femur is the thigh bone, located in the upper portion of the leg between the hip and knee.
Question 6: Which gland produces insulin to regulate blood glucose?
- Thyroid gland
- Adrenal gland
- Pituitary gland
- Pancreas (Correct answer)
Correct answer: Pancreas
The pancreas secretes insulin from beta cells in the islets of Langerhans to lower blood glucose levels.
Which organ is responsible for filtering blood and producing urine?