The following are characters of venous hum EXCEPT
- A. continuous murmur heard in infraclavicular region
- B. grades louder with mane compression
- C. l-lll/Vl in supine position
- D. with jugular vein changes in patient position
Correct Answer: B
Rationale: Venous hums are continuous murmurs that change with position and compression but do not grade louder with mane compression.
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Which statement by the mother of a child with rheumatic fever (RF) shows she has an understanding of prevention for her other children?
- A. Whenever one of them gets a sore throat, I will give that child an antibiotic.
- B. There is no treatment. It must run its course.
- C. If their culture is positive for group A streptococcus, I will give them their antibiotic.
- D. If their culture is positive for staphylococcus A, I will give them their antibiotic.
Correct Answer: A
Rationale: Preventive antibiotic therapy is indicated when a culture is positive for group A streptococcus, but unnecessary antibiotic use (if the infection is viral) should be avoided.
List THREE major criteria for the diagnosis of infective endocarditis.
- A. Persistently positive blood cultures
- B. Echo evidence positive for IE
- C. New valvar regurgitation
- D. All of the above
Correct Answer: D
Rationale: The major criteria are critical for diagnosing infective endocarditis based on clinical, laboratory, and echocardiographic findings.
The blood pressure in the right arm is 95/70, and in the lower extremity it is 45/25. The most likely diagnosis is
- A. patent ductus arteriosus
- B. truncus arteriosus
- C. asplenia
- D. coarctation of the aorta
Correct Answer: D
Rationale: Coarctation of the aorta causes a significant difference in blood pressure between the upper and lower extremities.
A 5-year-old child has an elevated blood pressure during a well child exam. The primary care pediatric nurse practitioner notes mottling and pallor of the child's feet and lower legs and auscultates a systolic ejection murmur in the left infraclavicular region radiating to the child's back. The nurse practitioner will suspect which condition?
- A. Aortic stenosis (AS)
- B. Coarctation of the aorta (COA)
- C. Patent ductus arteriosus (PDA)
- D. Pulmonic stenosis
Correct Answer: B
Rationale: Coarctation of the aorta may not have symptoms until later childhood and may present as high blood pressure in the upper extremities and poor perfusion in the lower extremities.
Chief organ systems affected in acute graft-versus-host reaction are:
- A. Skin
- B. Renal system
- C. Gut
- D. CNS
Correct Answer: A
Rationale: The skin is one of the primary organ systems affected in acute graft-versus-host disease. The renal system, gut, and CNS can also be affected, but the skin is the most commonly involved.