ATI RN
Common Questions About The Reproductive System Questions
Question 1 of 5
Which part of the human ear compresses sound waves and passes them to the inner ear?
Correct Answer: C
Rationale: The stirrup (C, stapes) transmits vibrations to the inner ear. Eardrum (A) vibrates, cochlea (B) processes sound, and pinna (D) collects it.
Question 2 of 5
One-third of the protein in the human body is
Correct Answer: A
Rationale: Collagen (A) is about one-third of body protein, in connective tissue. Casein (B) is milk, keratin (C) is hair/skin, and hemoglobin (D) is blood.
Question 3 of 5
What is the function of the coronary artery?
Correct Answer: D
Rationale: The coronary artery supplies blood to the heart muscle (D). Oxygenated to heart (A) is vague, lungs (B) is pulmonary, and body (C) is aorta.
Question 4 of 5
Oogenesis, the process of developing the egg cells, begins:
Correct Answer: D
Rationale: Oogenesis begins before birth (D) in fetal ovaries. Other options (A, B, C) are incorrect timings.
Question 5 of 5
Sustentacular cells release the hormone:
Correct Answer: A
Rationale: Sustentacular (Sertoli) cells release inhibin (A) to regulate FSH. FSH (B) is pituitary, testosterone (C) is Leydig cells, and spermadin (D) is not a hormone.