What is the function of ribosomes in the cell?

Correct Answer: D

Rationale: Ribosomes synthesize proteins by translating mRNA.

Correct Answer: A

Rationale: Group A individuals have anti-B antibodies; genotype must be AA or AO, not AB; they can have an O parent (AO offspring) and children of A or O.

Correct Answer: A

Rationale: Blood is ~7-8% of body weight; it's a lower percentage in obese individuals due to higher fat mass.

Correct Answer: C

Rationale: Inulin measures ECF volume as it's confined to extracellular spaces; D2O measures TBW, not ICF directly.

Correct Answer: A

Rationale: Persistent vomiting loses H+, raising pH and HCO3- (metabolic alkalosis).