Nurse Practitioner Practice Questions & Verified Answers |
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Part I: Assessment and Diagnosis – Understanding Your Patient
This section focuses on the foundational skills every FNP needs: taking comprehensive
histories, performing thorough physical examinations, developing differential diagnoses,
and interpreting diagnostic studies across the lifespan.
Q1: A 28-year-old woman presents for her annual well-woman exam. She reports no
concerns but mentions her mother was diagnosed with breast cancer at age 45.
According to current USPSTF guidelines, when should this patient begin routine
mammography screening?
A. Age 40, with annual screening thereafter
B. Age 45, with biennial screening until age 74
C. Age 50, with biennial screening until age 74 [CORRECT]
,D. Age 40, with biennial screening until age 74
Correct Answer: C
Rationale: The USPSTF recommends biennial mammography screening for women
aged 50–74 (Grade B recommendation). For women aged 40–49, the decision should
be individualized based on risk factors and patient preference. While family history is
important, routine screening for average-risk women begins at age 50. Option A
suggests annual screening which is not the USPSTF recommendation; Option B uses
the wrong starting age; Option D combines incorrect age with incorrect frequency.
Q2: During a routine physical examination of a 6-month-old infant, you note a significant
head lag when pulling the infant to a sitting position. Which developmental assessment
finding requires immediate further evaluation?
A. The infant rolls from prone to supine
B. The infant bears weight on legs when held standing
C. The infant shows persistent head lag at 6 months [CORRECT]
D. The infant reaches for and grasps toys
Correct Answer: C
,Rationale: Head lag should resolve by 4 months of age. Persistent head lag at 6 months
indicates possible hypotonia, neurological impairment, or developmental delay requiring
immediate evaluation. Options A, B, and D are all normal developmental milestones for
a 6-month-old infant and do not require intervention.
Q3: A 45-year-old man with a 20-pack-year smoking history presents with a persistent
cough for 3 weeks, low-grade fever, and pleuritic chest pain. Physical examination
reveals decreased breath sounds and dullness to percussion at the right lung base.
Chest X-ray confirms a right lower lobe infiltrate. Which organism is most likely
responsible for this community-acquired pneumonia in a previously healthy adult?
A. Pseudomonas aeruginosa
B. Streptococcus pneumoniae [CORRECT]
C. Staphylococcus aureus
D. Mycobacterium tuberculosis
Correct Answer: B
Rationale: Streptococcus pneumoniae remains the most common cause of
community-acquired pneumonia in adults without comorbidities. Pseudomonas (A)
typically affects patients with structural lung disease or immunocompromise.
Staphylococcus aureus (C) often follows influenza or occurs in hospitalized patients. TB
(D) presents more insidiously with chronic cough, weight loss, and night sweats.
, Q4: A 62-year-old woman presents with fatigue, weight gain, cold intolerance, and
constipation. Laboratory studies show TSH 8.5 mIU/L (normal 0.4–4.0) and free T4 0.8
ng/dL (normal 0.8–1.8). How would you classify this patient's thyroid dysfunction?
A. Primary hyperthyroidism
B. Secondary hypothyroidism
C. Primary hypothyroidism [CORRECT]
D. Subclinical hypothyroidism
Correct Answer: C
Rationale: Elevated TSH with low-normal or low free T4 indicates primary
hypothyroidism (thyroid gland failure). The pituitary compensates by increasing TSH
production. Primary hyperthyroidism (A) would show low TSH and elevated T4.
Secondary hypothyroidism (B) would show low or inappropriately normal TSH with low
T4. Subclinical hypothyroidism (D) presents with elevated TSH but normal free T4
levels.
Q5: During a sports physical for a 16-year-old male athlete, you perform a cardiac
examination. Which finding would require immediate cardiology referral before clearing
the patient for participation?