Nokea
Regarding immunoglobins:
- A. IgG2 concentrations increase with age
- B. IgD is useful in mediating the late features of allergic reactions
- C. IgG2 subclass deficiency is associated with IgA deficiency
- D. IgM is complement-fixing antibody
Correct Answer: D
Rationale: IgM is complement-fixing antibody
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The nurse is caring for a child with acute glomerulonephritis. Which of the following would most likely indicate that the child’s condition is improving?
- A. Increased urine output with normal color and consistency
- B. Decrease in the blood pressure
- C. A reduction in protein levels in the urine
- D. A decrease in hematuria
Correct Answer: A
Rationale: Improved renal function is indicated by increased urine output and the return of urine to normal color and consistency.
The parents of a young child with heart failure tell the nurse that they are “nervous†about giving digoxin (Lanoxin). The nurse’s response should be based on which statement?
- A. It is a safe, frequently used drug.
- B. It is difficult to either overmedicate or undermedicate with digoxin.
- C. Parents lack the expertise necessary to administer digoxin.
- D. Parents must learn specific, important guidelines for administration of digoxin.
Correct Answer: D
Rationale: Digoxin has a narrow therapeutic range. The margin of safety between therapeutic, toxic, and lethal doses is very small. Specific guidelines are available for parents to learn how to administer the drug safely and to monitor for side effects. Digoxin is a frequently used drug, but it has a narrow therapeutic range. Small amounts of the liquid are given to infants, making it easy to overmedicate or undermedicate. Parents may lack the necessary expertise to administer the drug at first, but with discharge preparation, they should be prepared to administer the drug safely.
The nurse is assessing clients in an outpatient diabetic clinic. Which entry provides the best evidence that the client is adhering to the prescribed diabetic regimen?
- A. Hemoglobin A1C of 6.2%
- B. Fasting blood glucose of 130 mg/dL
- C. Positive urine ketones
- D. Self-reported daily blood glucose monitoring
Correct Answer: A
Rationale: A hemoglobin A1C of 6.2% indicates good glycemic control, reflecting adherence to the diabetic regimen.
Which comment made by a parent of a 1-month-old infant would alert the nurse about the presence of a congenital heart defect?
- A. “He is always hungry.â€
- B. “He tires out during feedings.â€
- C. “He is fussy for several hours every day.â€
- D. “He sleeps all the time.â€
Correct Answer: B
Rationale: Fatigue during feeding or activity is common to most infants with congenital cardiac problems.
When planning care for a client newly diagnosed with open angle glaucoma, the nurse identifies a priority nursing diagnosis of, 'visual sensory/perceptual alterations.' This diagnosis is based on which etiology?
- A. Limited eye movement
- B. Decreased peripheral vision
- C. Blurred distance vision
- D. Photosensitivity
Correct Answer: B
Rationale: Open angle glaucoma primarily affects peripheral vision, leading to visual sensory/perceptual alterations.