Which antibody is primarily associated with Rheumatoid Arthritis?

Correct Answer: D

Rationale: Both Anti-CCP and RF are antibodies commonly found in patients with Rheumatoid Arthritis, making 'All of the above' the correct answer.

Correct Answer: B

Rationale: Expiratory grunting indicates difficulty in oxygenation and is often a compensatory mechanism in pneumonia, where alveolar collapse or consolidation reduces oxygen exchange.

Correct Answer: D

Rationale: Intestinal pseudo-obstruction can lead to polyhydramnios due to impaired fetal swallowing and gastrointestinal motility. The other conditions are not typically associated with excess amniotic fluid.

Correct Answer: C

Rationale: Spermicides have the highest failure rate even with perfect use, making them less reliable.

Correct Answer: B

Rationale: Expiratory grunting indicates difficulty in oxygenation and is often a compensatory mechanism in pneumonia, where alveolar collapse or consolidation reduces oxygen exchange.