A child is to receive dexamethasone (Decadron) intravenously at the ordered dosage of 7.6 mg. The drug concentration in the vial is 4 mg/mL. The nurse should administer how many ml?
The Correct Answer is ["1.9"]
Calculation:
Dosage ordered = 7.6 mg
Drug concentration = 4 mg/mL
7.6 mg / 4 mg/mL = 1.9 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason:
In older adults, gastric motility tends to decrease rather than increase.
Choice B reason:
The gag reflex may diminish with age, making older adults more prone to swallowing difficulties.
Choice C reason:
This statement is correct. With aging, there is a decrease in mucus secretion in the gastrointestinal tract, which can lead to dryness and potential discomfort.
Choice D reason:
Gastric pH tends to increase with age, which can affect the digestion and absorption of certain nutrients.
Correct Answer is A
Explanation
Choice A reason:
Asterixis is a characteristic sign of hepatic encephalopathy, characterized by a flapping tremor of the hands. It is associated with liver dysfunction and is indicative of impaired ammonia metabolism in the brain.

Choice B reason:
Fetor hepaticus refers to a musty, sweet odor of the breath that is associated with severe liver disease. It is not related to the flapping tremor observed in this case.
Choice C reason:
Palmar erythema is a reddening of the palms and is associated with various conditions, including liver disease. However, it is not the sign described in the scenario.
Choice D reason:
Constructional apraxia is a neurological deficit characterized by difficulty in copying or constructing simple drawings or designs. It is not related to the flapping tremor seen in hepatic encephalopathy.
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