Which is an anterior feature of the human head?

Correct Answer: A

Rationale: The nose (A) is anterior (front). Ears (B) are lateral, occipital lobe (C) is posterior, and temporal lobe (D) is lateral.

Correct Answer: A

Rationale: Pepsin breaks down proteins (A) in the stomach. Starches (B) are amylase, fats (C) are bile/lipase, and absorption (D) is intestines.

Correct Answer: A

Rationale: Smooth muscles (A) drive peristalsis in the gut. Cardiac (B) is heart, skeletal (C) is voluntary, and epaxial (D) is back.

Correct Answer: C

Rationale: Gonads (C) are the testes and ovaries, producing gametes. Populations (A) are groups, perineums (B) are pelvic regions, and gametes (D) are sex cells.

Correct Answer: D

Rationale: The proliferative phase (D) follows menstruation, rebuilding the endometrium. Follicular (B) is ovarian, secretory (C) is later, degenerative (A) is incorrect.