ATI LPN
Pediatric Dosing Practice Questions Questions
Question 1 of 5
What does the 'A' stand for in HEADSS?
Correct Answer: C
Rationale: HEADSS assesses adolescent psychosocial risks: Home, Education, Activities, Drugs, Sex, Suicide/Depression. ‘A’ stands for Activities (Choice C), exploring hobbies, sports, or social engagement to build rapport. Academic achievement (Choice A), Accommodation (Choice B), and Affect (Choice D) aren’t part of HEADSS. Activities is correct.
Question 2 of 5
Most frequent humoral immunologic abnormality in patients with ataxia-telangiectasia is:
Correct Answer: B
Rationale: Selective IgA deficiency is most common in ataxia-telangiectasia, impairing mucosal immunity (NORD). Other options (A, C-E) are less typical.
Question 3 of 5
A child is being treated for hypernatremic dehydration. Suddenly, she develops seizures. Most likely cause of seizure is:
Correct Answer: A
Rationale: Rapid correction of hypernatremia shifts water into brain cells , causing edema and seizures (UpToDate). B-E don’t match pathophysiology.
Question 4 of 5
Best drug of choice for a severe listeria infection is:
Correct Answer: C
Rationale: Ampicillin plus gentamicin is the standard for severe Listeria infections, enhancing efficacy (IDSA). A-D are suboptimal.
Question 5 of 5
An infant appears with periorbital fullness, full cheeks, long philtrum, anteverted nares, broad nasal bridge, and an open mouth. Physical examination reveals an absence of heart murmur. Laboratory findings reveal normal CBC, normal electrolytes, and high serum ionized calcium. Most likely diagnosis is:
Correct Answer: C
Rationale: Williams syndrome matches the facial features and transient hypercalcemia, with no murmur if cardiac defects are absent (NIH). A-D don’t fit.