Nokea
What is the recommended hourly maintenance fluid rate (water) for a 20 kg child?
- A. 50 ml/hour
- B. 60 ml/hour
- C. 80 ml/hour
- D. 100 ml/hour
Correct Answer: B
Rationale: The recommended hourly maintenance fluid rate for a 20 kg child is 60 ml/hour, calculated using the formula: 100 ml/kg for the first 10 kg + 50 ml/kg for the next 10 kg.
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What are FIVE possible etiologies for a heart rate of 40 bpm with atrial rate of 92 bpm and AV-dissociation in a 4-year-old girl?
- A. Congenital CHB from maternal Lupus
- B. Fetal myocarditis
- C. CCTGA
- D. Medication induced
Correct Answer: A
Rationale: Congenital heart block from maternal conditions like lupus can present with low heart rate and AV dissociation in a young child.
Adverse effects of NSAIDs include:
- A. Acute renal dysfunction
- B. Renal papillary necrosis
- C. Fluid retention
- D. Hypokalaemia
Correct Answer: A
Rationale: NSAIDs can cause acute renal dysfunction by inhibiting prostaglandin synthesis, which is crucial for renal blood flow.
A VII nerve injury at the exit from the stylomastoid foramen would explain all except:
- A. Loss of sensation over the vallecula
- B. Loss of taste over the anterior third of the tongue
- C. Increased responsiveness to loud noises
- D. Inability to open the ipsilateral eye
Correct Answer: D
Rationale: The correct answer is D because the facial nerve (VII) does not control eye opening; this is controlled by the oculomotor nerve (III). The other options (a, b, c, e) are consistent with a VII nerve injury.
The formula to predict the maximum predicted heart rate for Treadmill exercise testing in CAD patients on beta blockers is X - (0.7 X Age). The value of X is
- A. 174
- B. 164
- C. 184
- D. 154
Correct Answer: B
Rationale: The value of X is 164 in the formula for predicting maximum heart rate in CAD patients on beta blockers.
The MOST common cause of sudden death in competitive athletes is
- A. aortic stenosis
- B. hypertrophic cardiomyopathy
- C. coronary artery abnormalities
- D. myocarditis
Correct Answer: B
Rationale: Hypertrophic cardiomyopathy is the leading cause of sudden death in competitive athletes.