Nokea
Complement C3 levels are decreased in:
- A. Systemic lupus erythematoses
- B. Henoch-Schoenlein purpura
- C. Haemolytic uraemic syndrome
- D. Type II membrano-proliferative glomerulonephritis
Correct Answer: A
Rationale: Decreased C3 levels are characteristic of systemic lupus erythematosus due to immune complex deposition and complement consumption.
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During preoperative teaching for a male client scheduled for repair of an inguinal hernia, the client tells the nurse that he has had several surgeries and understands the need to perform coughing and deep breathing exercises after surgery. How should the nurse respond?
- A. Ask for a demonstration of these exercises
- B. Explain that coughing should be avoided
- C. Review the client’s previous surgical history
- D. Document the client's understanding of teaching
Correct Answer: A
Rationale: Asking for a demonstration ensures that the client understands the proper technique for coughing and deep breathing exercises.
Which statement by the mother of a child with rheumatic fever (RF) indicates that 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.â€
- B. “There is no treatment since it is viral and must run its course.â€
- C. “If their culture is positive for group A streptococcus, I will give them a full course of their antibiotic.â€
- D. “If their culture is positive for staphylococcus A, I will give them a full course of their antibiotic.â€
Correct Answer: C
Rationale: A positive culture for group A streptococcus indicates a bacterial infection that requires a full course of antibiotics to prevent rheumatic fever, which can develop as a complication of untreated strep throat.
A male client with bilateral carpal tunnel syndrome reports to the nurse that the pain and tingling he is experiencing worsens at night. What client teaching should the nurse provide?
- A. Elevate the hands on two pillows at night
- B. Notify the healthcare provider as soon as possible
- C. Wear braces as both wrists during the night
- D. Apply cold compresses for 30 minutes before bedtime
Correct Answer: C
Rationale: Wearing wrist braces during the night helps prevent exacerbation of carpal tunnel syndrome symptoms.
The most common coronary artery anomaly in Tetralogy of Fallot is
- A. Left anterior descending artery from right aortic sinus
- B. Single coronary artery from right aortic sinus
- C. Single coronary artery from left aortic sinus
- D. Left circumflex coronary artery from right aortic sinus
Correct Answer: A
Rationale: The most common coronary artery anomaly in Tetralogy of Fallot is the left anterior descending artery arising from the right aortic sinus.
The MOST common cause of pulmonary hypertension in pediatric patients is
- A. idiopathic pulmonary hypertension
- B. pulmonary venoocclusive disease
- C. left-sided valvular heart disease
- D. chronic obstructive pulmonary disease
Correct Answer: A
Rationale: Idiopathic pulmonary hypertension is a rare but recognized cause of pulmonary hypertension in children.