Which of the following fits the picture of someone who has been on long term steroid therapy?

Correct Answer: C

Rationale: Long-term steroids (e.g., Cushing's syndrome) cause moon facies, weight gain, and fat redistribution, not weight loss or bronze skin.

Correct Answer: D

Rationale: Endocrine glands are not all controlled by the nervous system; some (e.g., pancreas) respond to metabolic signals.

Correct Answer: A

Rationale: Hormones are amines (e.g., epinephrine), peptides (e.g., insulin), or steroids (e.g., cortisol).

Correct Answer: D

Rationale: Steroids and thyroid hormone act via nuclear receptors to induce protein synthesis.

Correct Answer: C

Rationale: Negative feedback occurs when hormone B inhibits its stimulator (hormone A).