Exposure to smokeless tobacco increases the user's risk for

Correct Answer: C

Rationale: Smokeless tobacco use is strongly linked to cancers of the oral cavity and esophagus.

Correct Answer: D

Rationale: Hydrocortisone is a low-potency steroid often used for mild cases.

Correct Answer: A

Rationale: True umbilical cord knots are more likely to occur with long cords and are not associated with short cords. The other conditions can increase the risk of cord knots.

Correct Answer: D

Rationale: Functional abdominal pain, such as irritable bowel syndrome, commonly presents as recurrent periumbilical pain without organic pathology. Red flag symptoms include weight loss, dysphagia, and nocturnal symptoms, which suggest an organic cause.

Correct Answer: D

Rationale: Rumination disorder does not always resolve spontaneously; it often requires intervention such as behavioral therapy. Additionally, while neglect may contribute, it is not the sole cause.