ATI LPN
Pediatric Nursing Practice Test Questions Questions
Question 1 of 5
What is the average life span of normal human platelets in circulation?
Correct Answer: C
Rationale: Normal human platelets have an average lifespan of 7-10 days in circulation (
Choice C is 10 days), after which they are removed by the spleen and liver. 24 hours (
Choice
A) and 72 hours (
Choice
B) are too short, while 30 days (
Choice
D) exceeds physiological norms. 10 days is the widely accepted average.
Question 2 of 5
Parent-infant bonding should be initiated:
Correct Answer: A
Rationale: Immediate post-birth skin-to-skin contact optimizes bonding, enhancing emotional and physiological outcomes (AAP). Delays (B,
C) reduce benefits, prenatal bonding is indirect, and post-discharge is too late.
Question 3 of 5
The physician noted pink to dark brown staining in diapers during a routine newborn physical examination. Most likely diagnosis is:
Correct Answer: C
Rationale: CEP causes porphyrin excretion, staining diapers pink to brown (NOR
D). PKU and homocystinuria affect amino acids, jaundice causes yellowing, and nephrotic syndrome involves protein loss.
Question 4 of 5
A girl with Turner syndrome developed some form of masculinization. Her mother is worried because her daughter might develop gonadoblastoma. The following screening test is indicated:
Correct Answer: D
Rationale: Screening for Y-chromosome material via karyotyping/FISH is key in Turner syndrome with masculinization to assess gonadoblastoma risk (Endocrine Society). A-D are nonspecific.
Question 5 of 5
Mode of inheritance in adrenoleukodystrophy is:
Correct Answer: B
Rationale: Adrenoleukodystrophy is X-linked , due to ABCD1 gene mutations (NOR
D). A, C-E don’t apply.