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Which source contains information specific to nutritional supplements?
- A. USP Dictionary of USAN & International Drug Names
- B. Natural Medicines Comprehensive Database
- C. United States Pharmacopoeia/National Formulary (USP NF)
- D. Drug Interaction Facts
Correct Answer: C
Rationale: United States Pharmacopoeia/National Formulary contains information specific to nutritional supplements. USP Dictionary of USAN & International Drug Names is a compilation of drug names, pronunciation guide, and possible future FDA approved drugs; it does not include nutritional supplements. Natural Medicines Comprehensive Database contains evidence-based information on herbal medicines and herbal combination products; it does not include information specific to nutritional supplements. Drug Interaction Facts contains comprehensive information on drug interaction facts; it does not include nutritional supplements.
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The nurse is preparing to administer a medication from a multidose bottle. The label is torn and soiled but the name of the medication is still readable. What is the nurse's priority action?
- A. Discard the entire bottle and contents and obtain a new bottle.
- B. Find the drug information and create a new label for the bottle.
- C. Ask another nurse to verify the contents of the bottle.
- D. Administer the medication if the name of the drug can be clearly read.
Correct Answer: A
Rationale: When the drug label is soiled obscuring some information the safest action by the nurse is to discard the bottle and contents because drug labels contain a great deal of important information, far more than just the name of the drug. Concentration of the drug, expiration date, administration directions, and precautions may be missing from the label and so put the patient at risk. Looking up drug information in a drug handbook or consulting with another nurse will not supply the expiration date or concentration of medication. Be safe and discard the bottle and its contents.
Tom is taking lithium for bipolar disorder. He should be taught to:
- A. Take his lithium with food
- B. Eat a diet with consistent levels of salt (sodium)
- C. Drink at least 2 quarts of water if he is in a hot environment
- D. Monitor blood glucose levels
Correct Answer: B
Rationale: Consistent sodium intake prevents fluctuations in lithium levels.
A pharmacology student asks the instructor what an accurate description of a drug agonist is. What is the instructor's best response?
- A. A drug that reacts with a receptor site on a cell preventing a reaction with another chemical on a different receptor site
- B. A drug that interferes with the enzyme systems that act as catalyst for different chemical reactions
- C. A drug that interacts directly with receptor sites to cause the same activity that a natural chemical would cause at that site
- D. A drug that reacts with receptor sites to block normal stimulation, producing no effect
Correct Answer: C
Rationale: Agonists are drugs that produce effects similar to those produced by naturally occurring neurotransmitters, hormones, or other substances found in the body. Noncompetitive antagonists are drugs that react with some receptor sites preventing the reaction of another chemical with a different receptor site. Drug-enzyme interactions interfere with the enzyme systems that stimulate various chemical reactions.
There is enough preliminary evidence to recommend that children with autism receive which supplemental nutrient?
- A. Vitamin B1 (thiamine)
- B. Vitamin B2 (riboflavin)
- C. Calcium
- D. Omega-3 fatty acids
Correct Answer: D
Rationale: Preliminary evidence suggests omega-3 fatty acids may benefit children with autism.
In teaching about the use of sublingual nitroglycerine, the patient should be instructed:
- A. To swallow the tablet with a full glass of water
- B. To place one tablet under the tongue if chest pain occurs and allow it to dissolve
- C. To take one tablet every 5 minutes until the chest pain goes away
- D. That it should 'burn' when placed under the tongue or it is no longer effective
Correct Answer: B
Rationale: Sublingual nitroglycerin is placed under the tongue for rapid absorption.