A person in a prone position would be:

Correct Answer: A

Rationale: Prone position means lying face down, unlike anatomical position (B, standing, palms forward), erect (C, upright), or fetal (D, curled). Anatomically, prone contrasts with supine (face up), used in procedures like back surgery, aligning body orientation with functional context, confirming A.

Correct Answer: C

Rationale: The knee is distal to the hip, farther from the trunk's attachment, not lateral, medial, posterior, or proximal (E, closer). Anatomically, distal orients limbs knee below hip joint key for movement analysis, confirming C.

Correct Answer: D

Rationale: Superficial and deep pair as depth terms skin superficial, muscle deep unlike medial-proximal, superior-posterior, or proximal-lateral, which mix axes. Anatomically, these describe layering (e.g., dissection cuts), making D most cohesive.

Correct Answer: B

Rationale: Physiology studies how cells, tissues, organs, and systems function e.g., how muscles contract unlike homeostasis (A, a process), anatomy (C, structure), or pathology (D, disease). Anatomically, it complements structure (anatomy) by explaining processes like digestion or respiration. For instance, physiology details ATP production in mitochondria, not just their shape, making B the best description per standard biological definitions.

Correct Answer: D

Rationale: Proteins protect (A, antibodies), catalyze (B, enzymes), repair (C, collagen), but don't primarily insulate organs fat does, per anatomical roles. Options CB-C5 list protein functions, but insulation (adipose tissue) is distinct. Proteins build structure (e.g., keratin) and regulate (enzymes), not thermal insulation, making D incorrect.