Nokea
Triggers of the alternate pathway of complement are:
- A. Bacterial lipopolysaccharide
- B. Interleukin 2
- C. Macrophages
- D. Properdin
Correct Answer: A
Rationale: The correct answer is A because bacterial lipopolysaccharide is a known trigger of the alternate complement pathway. The other options (b-e) are not primary triggers.
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As part of the treatment for heart failure, the child takes the diuretic furosemide (Lasix). As part of teaching home care, the nurse encourages the family to give the child foods such as bananas, oranges, and leafy vegetables. These foods are recommended because they are high in which nutrient?
- A. Chlorides
- B. Potassium
- C. Sodium
- D. Vitamins
Correct Answer: B
Rationale: Diuretics that work on the proximal and distal renal tubules contribute to increased losses of potassium. The child’s diet should be supplemented with this electrolyte. With this type of diuretic, potassium must be monitored and supplemented as needed.
Which among the following is a correct description for the condition 'mitral arcade'?
- A. Absent chordal insertions
- B. Absent papillary muscles
- C. Fused papillary muscles
- D. Elongated papillary muscles
Correct Answer: C
Rationale: Mitral arcade is characterized by fused papillary muscles.
The nurse is assessing a child with acute otitis media. Which finding should the nurse expect?
- A. Bilateral eye discharge and fever
- B. A bulging, red tympanic membrane
- C. Nasal congestion and headache
- D. Persistent cough and sore throat
Correct Answer: B
Rationale: Acute otitis media typically presents with a bulging, red tympanic membrane due to fluid accumulation and infection.
Treatment options in the management of an intussusception include:
- A. Contrast enema
- B. Air enema
- C. Water enema
- D. Open surgery
Correct Answer: B
Rationale: Air enema is a common non-surgical treatment for intussusception. Contrast enema and open surgery are also options, but air enema is often preferred.
Functional causes of opening Snap (either due to swift opening of AV valve or due to excess flow across the valve) is seen in all, except
- A. Mitral regurgitation
- B. Ventricular septal defect
- C. Atrial septal defect
- D. First degree AV block
Correct Answer: D
Rationale: First degree AV block is not typically associated with an opening snap.