A patient is ordered 50 mg of psychotropic medication to be given IV push. The available vial contains 20 mg/mL. How many milliliters should be drawn from the vial to meet the dosage requirement?
1 mL
2.5 mL
2mL
5mL
The Correct Answer is B
A. This would only provide 20 mg, which is less than half of the required dose.
B. Step 1: Use the formula- Volume to administer (mL) = Desired dose ÷ Concentration. Step 2: Insert known values: Desired dose = 50 mg, Concentration = 20 mg/mL. Volume to administer = 50 ÷ 20. Volume to administer = 2.5 mL.
C. This would provide 40 mg (20 mg X 2), leaving the patient under-medicated.
D. This would provide 100 mg (20 mg X 5), which is double the prescribed dose and could lead to toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Receptive aphasia occurs when Wernicke’s area in the temporal lobe is damaged. Clients with receptive aphasia have difficulty understanding spoken or written language, and their speech may be fluent but nonsensical, often with made-up words or incorrect word substitutions.
B. Comprehensive aphasia is not a standard term in neurology or speech-language pathology. The widely recognized types of aphasia are receptive, expressive, global, and conduction aphasia.
C. Global aphasia results from extensive damage to both Broca’s area and Wernicke’s area. It affects both speech production and comprehension, leading to severe communication impairments.
D. Expressive aphasia (Broca’s aphasia) is caused by damage to Broca’s area in the frontal lobe. Clients can understand language but have difficulty forming complete sentences or articulating words, often producing slow, effortful speech.
Correct Answer is A
Explanation
A. Difficulty in communication and social isolation is correct. autism spectrum disorder often impairs a child’s ability to understand social cues, express needs, and engage with peers, which can lead to frustration, uncertainty, and isolation. These challenges create an environment where anxiety is more likely to develop, particularly in unfamiliar or socially demanding situations.
B. Improved sensory regulation abilities is incorrect. Children with ASD often experience sensory sensitivities or dysregulation, which can increase anxiety, not reduce it. Improved regulation would theoretically decrease anxiety, which is not typical in ASD.
C. Better sleep quality compared to peers outside the spectrum is incorrect. Many children with ASD experience sleep disturbances, which can exacerbate anxiety rather than protect against it.
D. Enhanced ability to manage stressful social situations is incorrect. Children with ASD generally have difficulty managing social stress, contributing to heightened anxiety, not an enhanced ability to cope.
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