A head-injured 4-year-old patient, who opens eyes to painful stimulus, is confused, and withdraws from pain. His Glasgow coma score is:

Correct Answer: B

Rationale: Glasgow Coma Score is calculated as Eye Opening (2) + Verbal Response (4) + Motor Response (4) = 10, indicating moderate head injury.

Correct Answer: A

Rationale: Biologics target specific immune pathways, such as TNF-alpha or IL-6, to reduce inflammation in rheumatoid arthritis.

Correct Answer: B

Rationale: Vernal keratoconjunctivitis is a severe, chronic allergic eye disease that can cause corneal scarring and vision loss if untreated.

Correct Answer: B

Rationale: Expiratory grunting occurs due to alveolar collapse and impaired gas exchange, commonly seen in bacterial pneumonia. It is a compensatory mechanism to maintain lung volume and oxygenation.

Correct Answer: A

Rationale: In hypertonic dehydration, water loss exceeds sodium loss, leading to preserved skin turgor. High sodium levels cause intracellular dehydration, particularly affecting the CNS, leading to complications such as seizures.