Nokea
A 3-month-old infant who was previously healthy now has a persistent cough, bilateral lung crackles, and poor appetite. A grade III/VI, low-pitched, holosystolic murmur over the left lower sternal border and palpates the liver at one centimeter below the ribs. What diagnosis is likely?
- A. Atrial septal defect (ASD)
- B. Coarctation of the aorta (COA)
- C. Patent ductus arteriosis (PDA)
- D. Ventricular septal defect (VSD)
Correct Answer: D
Rationale: The symptoms above are characteristic of a VSD and may not present at birth but appear later as CHF becomes more pronounced.
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Whirlpool' sign in abdominal ultrasonogram is seen in
- A. Duodenal atresia
- B. Midgut volvulus
- C. Intussusception
- D. Anorectal malformation
Correct Answer: B
Rationale: The 'whirlpool' sign on abdominal ultrasound is characteristic of midgut volvulus, indicating twisting of the intestines around the mesenteric vessels.
A 4-year-old child presents to the clinic with a history of persistent dry cough and wheezing. What is the nurse’s primary concern?
- A. Allergic reaction
- B. Asthma exacerbation
- C. Respiratory infection
- D. Acute bronchiolitis
Correct Answer: B
Rationale: Wheezing and persistent dry cough are hallmark symptoms of asthma exacerbation, which is the nurse's primary concern.
Sequelae of a complete posterior cord section between C3 and T1 include:
- A. Muscle fasciculation
- B. Loss of sensation below the lesion
- C. Loss of deep tendon reflexes
- D. Athetoid movements
Correct Answer: B
Rationale: A complete posterior cord section results in loss of sensation below the lesion due to damage to the sensory pathways. Motor functions may remain intact as the anterior cord is unaffected.
The following syndromes are caused by chromosomal abnormalities:
- A. Cri-du-chat syndrome
- B. Kearns-Sayre syndrome
- C. Marfan's syndrome
- D. Turner's syndrome
Correct Answer: D
Rationale: Turner's syndrome: Turner's syndrome is caused by a monosomy of the X chromosome, characterized by short stature, infertility, and heart defects.
Ten hours following thrombolysis for an ST elevation myocardial infarction (STEMI), a client is receiving a lidocaine infusion for isolated runs of ventricular tachycardia (VT). Which finding should the nurse document in the electronic medical record as a therapeutic response to the lidocaine infusion?
- A. Stabilization of blood pressure ranges
- B. Cessation of chest pain
- C. Reduce heart rate
- D. Decreased frequency of episodes of VT
Correct Answer: D
Rationale: Lidocaine is used to suppress ventricular tachycardia, so a decrease in episodes indicates a therapeutic response.