A 4-year-old patient presents to the nurse practitioner for a routine exam, and the NP suspects hypertension. The test that would be the LEAST helpful in evaluating the etiology of hypertension in this age group would be:
a urinalysis.
a complete blood count (CBC).
a renal ultrasound.
liver enzymes.
The Correct Answer is D
Rationale:
A. Urinalysis can detect hematuria, proteinuria, or signs of urinary tract infection, which may indicate renal causes of pediatric hypertension, making it a helpful test.
B. Complete blood count (CBC) may reveal anemia or other hematologic abnormalities that could contribute indirectly to hypertension or help identify underlying systemic conditions.
C. Renal ultrasound is essential for evaluating structural kidney abnormalities, which are a common cause of hypertension in young children.
D. Liver enzymes (AST, ALT) are least helpful in determining the cause of hypertension in a 4-year-old, as liver disease is rarely a primary contributor to pediatric hypertension at this age.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Lymphadenopathy (swollen inguinal lymph nodes) is a common finding during a primary genital herpes outbreak.
B. Dysuria (painful urination) can occur due to irritation from herpes lesions.
C. Vesicular genital lesions are classic and characteristic of genital herpes.
D. Mucopurulent cervicitis is typically caused by chlamydia or gonorrhea, not genital herpes, and is therefore not consistent with herpes infection.
Correct Answer is B
Explanation
Rationale:
A. Erythema multiforme is a hypersensitivity reaction characterized by target-like lesions, not related to seborrheic dermatitis.
B. Cradle cap is the common term for seborrheic dermatitis in infants, typically presenting as greasy, yellowish scales on the scalp. It is usually benign and self-limited.
C. Hives, or urticaria, are raised, itchy wheals caused by allergic reactions and are distinct from seborrheic dermatitis.
D. Impetigo is a bacterial skin infection, often with honey-colored crusts, and is not related to seborrheic dermatitis.
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