Nokea
A 4-year-old child presents to the clinic with a history of persistent dry cough and wheezing. What is the nurse’s primary concern?
- A. Allergic reaction
- B. Asthma exacerbation
- C. Respiratory infection
- D. Acute bronchiolitis
Correct Answer: B
Rationale: Wheezing and persistent dry cough are hallmark symptoms of asthma exacerbation, which is the nurse's primary concern.
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Hemodynamic definition of 'Isolated post-capillary Pulmonary Hypertension' is
- A. Pulmonary artery wedge pressure > 15 mm Hg
- B. Right ventricular systolic pressure > 36 mm Hg
- C. Diastolic pressure gradient < 7 mm Hg
- D. Pulmonary vascular resistance > 3 Wood units
Correct Answer: A
Rationale: Isolated post-capillary pulmonary hypertension is defined by a pulmonary artery wedge pressure greater than 15 mm Hg.
A child is undergoing remission induction therapy to treat leukemia. Allopurinol is included in the regimen. The main reason for administering allopurinol as part of the client’s chemotherapy regimen is to:
- A. Prevent metabolic breakdown of xanthine to uric acid
- B. Prevent uric acid from precipitating in the ureters
- C. Enhance the production of uric acid to ensure adequate excretion of urine
- D. Ensure that the chemotherapy doesn’t adversely affect the bone marrow
Correct Answer: A
Rationale: Allopurinol prevents the breakdown of xanthine to uric acid, reducing the risk of uric acid nephropathy during chemotherapy-induced tumor lysis.
Specific receptor defects occur in:
- A. Guillain-Barre syndrome
- B. Myasthenia gravis
- C. Graves' disease
- D. Ulcerative colitis
Correct Answer: B
Rationale: Myasthenia gravis is characterized by antibodies against acetylcholine receptors at the neuromuscular junction, leading to muscle weakness.
The following procedures may abort an attack of SVT EXCEPT
- A. placing of the face in ice water
- B. straining
- C. breath holding
- D. standing on head
Correct Answer: D
Rationale: Standing on the head is not a practical or effective method to terminate SVT.
Common causes of seizures in a neonate are:
- A. Hypocalcaemia
- B. Hypoglycaemia
- C. Pyridoxine deficiency
- D. Hydrocephalus
Correct Answer: B
Rationale: The correct answer is B because hypoglycaemia is a common cause of neonatal seizures. The other options (a, c, d, e) are also causes but less common.