Which of the following best describes gentrification?

Correct Answer: C

Rationale: Gentrification involves the renovation and improvement of neighborhoods, but it often results in increased property values and displacement of original residents.

Correct Answer: D

Rationale: The overall incidence of multifetal gestation has increased due to assisted reproductive technologies. The other statements are true regarding multiple gestation pregnancies.

Correct Answer: D

Rationale: The statement 'Isoimmune hemolytic disease may be found in first-born infants irrespective of infant blood group' is incorrect. Isoimmune hemolytic disease typically occurs when maternal antibodies cross the placenta and attack fetal red blood cells. This is more common in subsequent pregnancies due to sensitization during the first pregnancy.

Correct Answer: C

Rationale: Severe coarctation of the aorta leads to heart failure in newborns due to obstructed systemic blood flow and increased left ventricular workload.

Correct Answer: B

Rationale: Low-dose inhaled corticosteroids (ICS) are the preferred long-term control medication for mild persistent asthma. They reduce airway inflammation and prevent symptoms, whereas short-acting beta-agonists (SABA) are used for quick relief.