ATI LPN
PN VATI Pediatric Nursing Quiz Questions
Question 1 of 5
The primary aim of angiotensin converting enzyme inhibitor (ACE-I) therapy in the treatment of congestive heart failure is to improve which physiological parameter?
Correct Answer: A
Rationale: ACE inhibitors in congestive heart failure primarily reduce afterload (
Choice
A) by blocking angiotensin II, leading to vasodilation, decreased systemic vascular resistance, and reduced cardiac workload, improving cardiac output. Contractility (
Choice
B) isn’t directly enhanced. Heart rate (
Choice
C) may decrease indirectly but isn’t the primary aim. Myocardial relaxation (
Choice
D) relates more to diastolic function, not the main effect. Afterload reduction is the key mechanism.
Question 2 of 5
Williams syndrome is due to the deletion of one elastin allele located in chromosome:
Correct Answer: A
Rationale: Williams syndrome results from a microdeletion on chromosome 7q11.23 , affecting the elastin gene, leading to cardiovascular and developmental issues (NIH). Other chromosomes (B-E) are unrelated.
Question 3 of 5
The following treatment in spinal cord injury improves the motor outcome:
Correct Answer: A
Rationale: High-dose methylprednisolone within 8 hours of spinal cord injury improves motor recovery, per NASCIS trials. Other options (B-E) lack comparable evidence.
Question 4 of 5
An infant of a diabetic mother (IDM) appears with hypoglycemia is mostly due to:
Correct Answer: C
Rationale: Hyperinsulinemia in IDMs from maternal hyperglycemia causes postnatal hypoglycemia (AAP). Other options (A, B, D, E) don’t fit.
Question 5 of 5
During genetic counseling, choices for reproduction are decided by the:
Correct Answer: B
Rationale: The family decides reproductive choices, with A-D providing guidance, per ethics (ACMG).