Systemic allergic responses to insects are attributed to IgE antibody response caused primarily by

Correct Answer: C

Rationale: Hymenoptera (bees, wasps, hornets, and ants) are the most common cause of systemic allergic reactions due to venom-induced IgE-mediated hypersensitivity, which can lead to severe anaphylaxis.

Correct Answer: B

Rationale: Approximately 25% of children with food allergies experience severe anaphylactic reactions, requiring immediate medical intervention.

Correct Answer: A

Rationale: Truancy is not considered normal behavior in young children. It often signals deeper issues such as family disorganization, abuse, or risk behaviors like substance use.

Correct Answer: D

Rationale: Evaluation for primary amenorrhea is recommended if menstruation has not occurred by age 16.

Correct Answer: A

Rationale: Acyclovir is an antiviral medication used to treat herpes simplex infections, including HSV-1, HSV-2, and varicella-zoster virus.