The MOST notorious stinging insect is

Correct Answer: B

Rationale: Yellow jackets are highly aggressive and responsible for the majority of insect sting-related allergic reactions due to their frequent and painful stings.

Correct Answer: C

Rationale: Bone marrow infiltration is rare in Hodgkin's lymphoma but common in Non-Hodgkin's lymphoma.

Correct Answer: B

Rationale: Gaucher disease is caused by a deficiency of glucocerebrosidase, leading to the accumulation of glucocerebroside in lysosomes of macrophages.

Correct Answer: D

Rationale: High pH and elevated bicarbonate indicate metabolic alkalosis without respiratory compensation.

Correct Answer: A

Rationale: Dilated cardiomyopathy results in impaired contractility, leading to heart failure and chamber dilation.