16 ounces =___Enter text here.mL (Fill in the blank with the numerical value only)
The Correct Answer is ["480"]
Given quantity = 16 ounces
Desired unit = mL (milliliters)
Convert from ounces to millilitres
1 ounce = 30 mL
16 ounces × 30 mL/ounce
= 480 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Drugs with strong first-pass metabolism are best administered via an enteral route: Drugs that undergo extensive first-pass metabolism are often less effective when given enterally, as much of the drug is inactivated by the liver before reaching systemic circulation. Non-enteral routes (e.g., sublingual, IV) are preferred to bypass the liver initially.
B. Metabolism alters medications so that they can be excreted from the body: The liver uses enzymatic processes to convert drugs into more water-soluble forms, facilitating their elimination through the kidneys or bile. This process can either activate, inactivate, or detoxify substances depending on the drug.
C. The first-pass effect increases the bioavailability of orally administered drugs: The first-pass effect reduces, not increases, the bioavailability of orally administered drugs. It refers to the initial metabolism in the liver that significantly reduces the active concentration of a drug before it reaches systemic circulation.
D. Metabolism primarily occurs in the kidneys: While the kidneys are essential for drug excretion, metabolism primarily occurs in the liver. Hepatic enzymes, especially those of the cytochrome P-450 system, play the central role in drug biotransformation.
Correct Answer is ["4"]
Explanation
Desired dose = 8 mg
The medication label for Perphenazine Tablets, USP states: 2 mg per tablet.
- Determine the number of tablets needed:
Number of tablets = Desired dose / Dose per tablet
= 8 mg / 2 mg/tablet
= 4 tablets.
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