The liver contains macrophages that have a special name. What is this name?

Correct Answer: C

Rationale: Kupffer cells are specialized macrophages in the liver that remove debris and pathogens from the blood. Lymphocytes are white blood cells, and 'coffee cells' is not a term; 'liver macrophage' is less specific than Kupffer cells.

Correct Answer: C

Rationale: Homeostasis maintains internal stability using nerves and hormones despite external changes.

Correct Answer: D

Rationale: The renal artery supplies blood to the kidney for filtration.

Correct Answer: D

Rationale: Alcohol inhibits ADH, reducing water reabsorption and increasing urine output, leading to dehydration.

Correct Answer: A

Rationale: Saliva does not aid in protein digestion; it primarily helps in moistening food, contains amylase for carbohydrate digestion, and facilitates chemical digestion.