Blood flow to a tissue will decrease if:

Correct Answer: B

Rationale: High O2 reduces vasodilation need; acidity, EDV, venous return, histamine increase flow.

Correct Answer: C

Rationale: Kidneys manage pH, wastes, BP, ions; lipid digestion occurs in GI tract.

Correct Answer: C

Rationale: Ovary is the female gonad producing eggs and hormones.

Correct Answer: D

Rationale: All listed drugs "phenylbutazone (NSAID), cincophen (analgesic), reserpine (antihypertensive), and acetophenetidin (analgesic) "can cause gastric irritation or ulceration as side effects.

Correct Answer: C

Rationale: Chronic active hepatitis (autoimmune hepatitis) is linked to anti-nuclear antibodies, anti-smooth muscle antibodies, and an SLE-like picture; anti-mitochondrial antibodies are more typical of primary biliary cholangitis.