A physician's order reads phenytoin (Dilantin) 0.2g PO BID. The medication label states 100mg per capsule. How many capsule(s) will the nurse administer per dose? Whole number.
The Correct Answer is ["2"]
Step 1: Convert the ordered dose to mg
0.2 g × 1000 = 200 mg
Step 2: Determine the number of capsules
Number of capsules = Desired dose ÷ Strength per capsule
Number of capsules = 200 ÷ 100 = 2
Final Answer: 2 capsules
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Two veins and one artery is an abnormal configuration. This pattern is not consistent with normal fetal circulation and may indicate a congenital anomaly.
B. One artery and one vein (single umbilical artery) is a known variation, but it is considered abnormal and can be associated with renal, cardiac, or chromosomal anomalies.
C. The normal umbilical cord contains two arteries and one vein. The umbilical vein carries oxygenated, nutrient-rich blood from the placenta to the fetus, supporting growth and development. The two umbilical arteries carry deoxygenated blood and waste products from the fetus back to the placenta for elimination. This arrangement ensures efficient bidirectional circulation between the fetus and placenta. Inspecting the cord after birth helps the nurse identify abnormalities that may require further evaluation.
D. Two arteries and two veins is not a typical configuration and may suggest a congenital anomaly or cord malformation.
Correct Answer is ["150"]
Explanation
Step 1: Use the formula
Volume infused = Flow rate × Time
Volume infused = 50 mL/hr × 3 hr = 150 mL
Final Answer: 150 mL
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