Nursing Elites

1. The doctor orders 2% nitroglycerin ointment in a 1-inch dose every 12 hours. Proper application of nitroglycerin ointment includes:

• A. Rotating application sites
• B. Limiting applications to the chest
• C. Rubbing it into the skin
• D. Covering it with a thin paper dressing

Correct answer: A

Rationale: Proper application of nitroglycerin ointment involves rotating application sites to prevent skin irritation. It should be applied to the back and upper arms, not restricted to the chest, making option B incorrect. Rubbing it into the skin, as indicated in option C, is not recommended for nitroglycerin ointment as it can lead to faster absorption and potential side effects. The correct way is to cover it with a thin paper dressing, not gauze as mentioned in option D, to ensure proper absorption and prevent the medication from evaporating too quickly.

2. A client sitting alone and talking to voices is observed by a nurse. When asked, the client reports he is 'talking to the voices.' The nurse's next action should be:

• A. touching the client to help him return to reality
• B. leaving the client alone until reality returns
• C. asking the client to describe what is happening
• D. telling the client there are no voices

Correct answer: C

Rationale: When a client reports talking to voices, it can indicate the presence of hallucinations. Asking the client to describe what is happening is a crucial step as it helps the nurse understand the nature of the hallucinations and provides reassurance to the client. Touching the client without consent is inappropriate and can be distressing. Leaving the client alone may not address the underlying issue, and telling the client there are no voices denies their experience and can lead to mistrust.

3. A client with cancer is admitted to the oncology unit. Stat lab values reveal Hgb 12.6, WBC 6500, K+ 1.9, uric acid 7.0, Na+ 136, and platelets 178,000. The nurse evaluates that the client is experiencing which of the following?

• A. Hypernatremia
• B. Hypokalemia
• C. Myelosuppression
• D. Leukocytosis

Correct answer: B

Rationale: The correct answer is 'Hypokalemia.' The potassium level of 1.9 indicates low potassium levels, a condition known as hypokalemia. The other lab values are within normal ranges: Hgb 12.6, WBC 6500, uric acid 7.0, Na+ 136, and platelets 178,000. Hypernatremia (choice A) refers to high sodium levels, which are not present in this case. Myelosuppression (choice C) is a decrease in bone marrow activity, which is not indicated by the lab values provided. Leukocytosis (choice D) is an increase in white blood cells, which is also not present based on the given values.

4. A client is given an opiate drug for pain relief following general anesthesia. The client becomes extremely somnolent with respiratory depression. The physician is likely to order the administration of:

• A. naloxone (Narcan).
• B. labetalol (Normodyne).
• C. neostigmine (Prostigmin).
• D. thiothixene (Navane).

Correct answer: A

Rationale: When a client becomes extremely somnolent with respiratory depression after being given an opiate drug, the physician is likely to order the administration of naloxone (Narcan). Naloxone is an opiate antagonist that attaches to opiate receptors, blocking or reversing the action of narcotic analgesics. Choices B, C, and D are incorrect. Labetalol is a beta blocker used for hypertension, neostigmine is an anticholinesterase agent used to treat myasthenia gravis and reverse neuromuscular blockade, and thiothixene is an antipsychotic agent used for psychiatric conditions.

5. Which laboratory test would be the least effective in diagnosing a myocardial infarction?

• A. AST
• B. Troponin
• C. CK-MB
• D. Myoglobin

Correct answer: A

Rationale: AST, choice A, would be the least effective in diagnosing a myocardial infarction as it is not specific for this condition. Troponin, CK-MB, and myoglobin (choices B, C, and D) are more specific markers for myocardial infarction. Troponin is considered the gold standard due to its cardiac specificity. CK-MB is also specific to the heart, and its isoenzyme levels elevate post-heart damage. Myoglobin, although elevated in myocardial infarction, is not as specific as troponin and CK-MB and can also increase in conditions like burns and muscle trauma. Therefore, AST is the least effective choice for diagnosing a myocardial infarction.

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