.A nurse is preparing to administer vitamin K 1mg IM to a newborn. Available is vitamin K injection 1 mg/0.5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.5"]

To determine the correct volume to administer, we use the formula for calculating the dose:
Volume to administer=Prescribed dose ÷ Available concentration
Given:
● Prescribed dose: 1 mg
● Available concentration: 1 mg per 0.5 mL
Plugging in the values:
Volume to administer=1 mg÷ 1 mg/0.5 ml
Perform the division:
Volume to administer=0.5 mL
So, the nurse should administer 0.5 mL per dose.
Since the question specifies rounding to the nearest tenth and to use a leading zero if it applies (and not to use a trailing zero), the final answer is: 0.5 mL

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Correct Answer is D

Explanation

A. Bacteriostatics are narrow-spectrum drugs, and bactericidal drugs are broad-spectrum: This is not a valid distinction as both bacteriostatic and bactericidal drugs can be either narrow or broad-spectrum.
B. Bacteriostatics work by inhibiting protein synthesis, and bactericidal drugs work by inhibiting nucleic acid synthesis: This is incorrect because both types of drugs can inhibit protein or nucleic acid synthesis depending on the specific drug.
C. Bacteriostatic drugs actually kill bacteria, and bactericidal drugs inhibit bacterial growth: This is incorrect; it states the opposite of the correct differentiation.
D. Bacteriostatic drugs inhibit bacterial growth, and bactericidal drugs actually kill bacteria: This is correct. Bacteriostatic drugs prevent the proliferation of bacteria, while bactericidal drugs kill bacteria.

Correct Answer is ["2"]

Explanation

To calculate the number of dexamethasone 1.5 mg tablets needed to administer a 3 mg dose, we use the following formula:
Number of tablets=Dose (mg)÷Strength per tablet (mg)
Given:
Dose = 3 mg
Strength per tablet = 1.5 mg
Plugging these values into the formula:
Number of tablets=3 mg÷1.5 mg/tablet
Number of tablets=2
So, the nurse should administer 2 tablets of dexamethasone.

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.A nurse is preparing to administer vitamin K 1mg IM to a newborn. Available is vitamin K injection 1 mg/0.5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which of the following differentiates a bacteriostatic drug from a bactericidal drug?

Correct Answer is D

Explanation

A nurse is preparing to administer dexamethasone 3 mg PO. Available is dexamethasone 1.5 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["2"]

Explanation

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