Children with allergic rhinitis have symptoms of reactive airways disease/asthma in approximately

Correct Answer: C

Rationale: About 50% of children with allergic rhinitis also have reactive airway disease or asthma.

Correct Answer: C

Rationale: Persistence of the umbilical cord beyond 30 days may indicate an underlying abnormality, such as infection or impaired healing.

Correct Answer: C

Rationale: Allergic shiners are dark circles under the eyes caused by venous congestion due to chronic nasal obstruction, a hallmark sign of allergic rhinitis.

Correct Answer: A

Rationale: Automation can lead to job displacement as machines replace human workers in various industries, particularly those involving repetitive tasks.

Correct Answer: C

Rationale: The apt test is specifically used to differentiate between fetal and maternal blood in cases of swallowed blood syndrome or suspected neonatal bleeding. Hemorrhagic disease of the newborn is diagnosed differently, often through clinical presentation and vitamin K levels.