Which is not a common cause of angioedema without urticaria?

Correct Answer: C

Rationale: Foods are less commonly associated with angioedema without urticaria compared to ACE inhibitors, hereditary angioedema, and insect stings.

Correct Answer: B

Rationale: Cephalohematoma does not extend across suture lines due to the periosteal attachment. The other statements are true regarding cephalohematoma.

Correct Answer: D

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

Correct Answer: A

Rationale: Studies show that individuals with ASD often exhibit a diffuse increase in brain size during early development, although this finding is not universal.

Correct Answer: C

Rationale: During the first 6 months of life, infants believe that objects exist only as long as they can see them. When infants