Nokea
Regarding ECG in infancy
- A. T Wave inversion present
- B. PR interval is < 0.16 s
- C. P wave is < 3mm tall
- D. QRS represent ventricular depolarization
Correct Answer: B
Rationale: In infants, the PR interval is shorter than in adults (< 0.16 seconds).
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All of the following are features of Behcet disease except
- A. Reduced T helper cell 1 activity
- B. Increased expression of HSP60
- C. Association with HLA-B51
- D. Vasculitis with fibrinoid necrosis
Correct Answer: A
Rationale: Behcet disease is associated with increased T helper cell 1 activity
Indomethacin is being given to an infant with a patent ductus arteriosus in an attempt to promote closure of the PDA. The nurse caring for this infant becomes concerned about adverse side effects when noticing:
- A. decreased urine output, decreased platelets, and abdominal distention.
- B. increased blood pressure, tachycardia, and decreased oxygen requirements.
- C. increased urine output, increased white blood cell count, and increased reticulocyte count.
- D. Jaundice, pallor, and a petechial rash
Correct Answer: A
Rationale: Indomethacin can cause renal side effects, including decreased urine output, as well as hematologic effects such as decreased platelets, and gastrointestinal effects like abdominal distention, which are concerning adverse effects in an infant.
Which painful, tender, pea-sized nodules may appear on the pads of the fingers or toes in bacterial endocarditis?
- A. Osler nodes
- B. Janeway lesions
- C. Subcutaneous nodules
- D. Aschoff nodes
Correct Answer: A
Rationale: Osler nodes are red, painful, intradermal nodes found on pads of the phalanges in bacterial endocarditis. Janeway lesions are painless hemorrhagic areas on palms and soles in bacterial endocarditis. Subcutaneous odules are nontender swellings, located over bony prominences, commonly found in rheumatic fever. Aschoff nodules are small nodules composed of cells and leukocytes found in the interstitial tissues of the heart in rheumatic myocarditis
A client who suffered an electrical injury with the entrance site on the left hand and the exit site on the left foot is admitted to the burn unit. Which intervention is most important for the nurse to include in this client plan of care?
- A. Continuous cardiac monitoring
- B. Perform passive range of motion
- C. Evaluate level of consciousness
- D. Assess lung sounds q4 hours.
Correct Answer: A
Rationale: Electrical injuries can cause cardiac arrhythmias, so continuous cardiac monitoring is critical to detect and manage any life-threatening complications.
The parent of a 1-year-old child with tetralogy of Fallot asks the nurse, “Why do my child’s fingertips look like that?†On what understanding does the nurse base a response?
- A. Clubbing occurs as a result of untreated congestive heart failure.
- B. Clubbing occurs as a result of a left-to-right shunting of blood.
- C. Clubbing occurs as a result of decreased cardiac output.
- D. Clubbing occurs as a result of chronic hypoxia.
Correct Answer: D
Rationale: Clubbing of the fingers develops in response to chronic hypoxia.