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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A pediatric patient is scheduled for a noninvasive procedure to determine if his heart is structurally normal and to localize a murmur. What diagnostic test does the nurse anticipate?
- A. Barium swallow
- B. Chest x-ray
- C. Electrocardiogram
- D. Echocardiogram
Correct Answer: D
Rationale: Echocardiography is a noninvasive procedure that localizes murmurs and determines if the heart is structurally normal.
A 16-year-old being treated for hypertension has laboratory values of: Hemoglobin: 16 g/dL Hematocrit: 43% Sodium: 139 mEq/L Potassium: 4.4 mEq/L Total cholesterol: 220 mg/dL Which drug does the nurse suspect the patient takes based on the total cholesterol?
- A. Beta blockers
- B. Calcium channel blockers
- C. ACE inhibitors
- D. Diuretics
Correct Answer: A
Rationale: Beta blockers are used with caution in patients with hyperlipidemia, hyperglycemia, and impotence.
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.
About juvenile chronic arthritis:
- A. Rheumatoid factor is an important diagnostic test to perform in suspected cases
- B. Pauciarticular type is the commonest type
- C. Cervical spine involvement is uncommon
- D. Methotrexate is the first line drug in therapy
Correct Answer: B
Rationale: Pauciarticular juvenile idiopathic arthritis (JIA) is the most common subtype, typically affecting fewer than five joints in the first six months of disease.
The nurse is finishing her shift on the pediatric unit. Because her shift is ending, which intervention takes top priority?
- A. Changing the linens on the clients’ beds
- B. Restocking the bedside supplies needed for a dressing change on the upcoming shift
- C. Documenting the care provided during her shift
- D. Emptying the trash cans in the assigned client room
Correct Answer: C
Rationale: Documenting care is a legal and professional responsibility that ensures continuity of care and accurate communication between shifts.