Nokea
The following contribute to the natural immunity transmitted in breast milk:
- A. Macrophages
- B. Natural killer cells
- C. Lysozyme
- D. Secretory IgA
Correct Answer: D
Rationale: Secretory IgA in breast milk plays a crucial role in providing passive immunity to the infant by protecting mucosal surfaces from pathogens.
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In which of the following valve lesions, Dimensionless Index (DI) is used as an echocardiographic parameter to assess the severity of the lesion?
- A. Aortic stenosis
- B. Aortic regurgitation
- C. Mitral regurgitation
- D. Mitral stenosis
Correct Answer: A
Rationale: Dimensionless Index (DI) is used to assess the severity of aortic stenosis.
Which drug should not be used to control secondary hypertension in a sexually active adolescent female who uses intermittent birth control?
- A. Beta blockers
- B. Calcium channel blockers
- C. ACE inhibitors
- D. Diuretics
Correct Answer: C
Rationale: ACE inhibitors and angiotensin II receptor blockers are teratogenic and should be avoided in sexually active adolescents using birth control.
A nurse assesses a client who is recovering after a left-sided cardiac catheterization. Which assessment finding requires immediate intervention?
- A. Urinary output less than intake
- B. Bruising at the insertion site
- C. Slurred speech and confusion
- D. Discomfort in the left leg
Correct Answer: C
Rationale: Slurred speech and confusion may indicate a neurological complication, such as a stroke, which requires immediate intervention.
The nurse is teaching the importance of an exercise regime that includes walking daily for a group of clients with asthma, chronic bronchitis, and emphysema at a pulmonary rehabilitation clinic. Which rationale should the nurse include when motivating the clients?
- A. Daily exercise and walking enhances cardiovascular fitness
- B. Exercise eliminates the need for bronchodilator medications.
- C. Walking daily reverses lung damage caused by chronic conditions.
- D. Physical activity increases mucus production to clear airways.
Correct Answer: A
Rationale: Regular exercise improves cardiovascular fitness, which can enhance overall respiratory function and quality of life in clients with chronic pulmonary conditions.
The following statements are true:
- A. Unexplained vaginal discharge in a 3-year-old might be a sign of sexual abuse
- B. Spiral fracture of femur is always non-accidental
- C. Retinal bleeding in a 3-month-old unconscious baby is a sign of 'shaken baby' syndrome
- D. Bruises on the elbows and knees in a 4-year-old are suggestive of physical abuse
Correct Answer: C
Rationale: Retinal bleeding in a 3-month-old unconscious baby is a sign of 'shaken baby' syndrome: Retinal bleeding in infants, especially with other signs of physical abuse, is a key indicator of 'shaken baby' syndrome.