Type O blood has antibodies to which of the following in the blood plasma?

Correct Answer: C

Rationale: Type O has anti-A and anti-B, as it lacks A/B antigens.

Correct Answer: D

Rationale: Hyperpnea (deep breathing) requires active inspiration (diaphragm, external intercostals) and expiration (internal intercostals, abdominals).

Correct Answer: D

Rationale: Increased respiration removes CO2, raising pH in acidosis.

Correct Answer: A

Rationale: Duodenal ulcers typically occur within 3 cm of the pylorus, commonly on both anterior and posterior walls, due to acid exposure and Helicobacter pylori infection.

Correct Answer: A

Rationale: Crohn's disease is characterized by transmural inflammation often leading to fistulas, with skip lesions rather than continuous involvement.