NCLEX-PN
NCLEX-PN Quizlet 2023
1. The physician wants to know if a client is tolerating their total parenteral nutrition. Which of the following laboratory tests is likely to be ordered?
- A. triglyceride level
- B. liver function tests
- C. a glucose tolerance test
- D. a complete blood count
Correct answer: B
Rationale: The liver is crucial in processing nutrients and medications received through total parenteral nutrition. Liver function tests assess various enzymes produced by the liver, including prothrombin time/partial prothrombin time, serum glutamic oxaloacetic and pyruvic transaminases, gamma glutamyl transpeptidase, albumin, and alkaline phosphatase. Monitoring these enzymes can help determine if the liver is functioning properly to metabolize the nutrients from TPN. Triglyceride levels (Choice A) primarily evaluate the body's ability to clear fats, not specifically related to TPN tolerance. A glucose tolerance test (Choice C) is used to diagnose diabetes by measuring blood glucose levels after ingesting a glucose-rich solution, not directly related to TPN tolerance. A complete blood count (Choice D) assesses blood components such as red blood cells, white blood cells, and platelets but does not provide specific information about TPN tolerance.
2. A client needs to rapidly achieve a therapeutic plasma drug concentration of a medication. Rather than wait for steady state to be achieved, the physician might order:
- A. a maintenance dose.
- B. a loading dose.
- C. a medication with no first-pass effect.
- D. the medication to be given intravenously.
Correct answer: B
Rationale: To rapidly achieve a therapeutic plasma drug concentration, a loading or priming dose is ordered. This dose quickly establishes the desired drug level. It is calculated by multiplying the volume of distribution by the desired plasma drug concentration. A maintenance dose, like choice A, is used to maintain the therapeutic level after the loading dose. Waiting for steady state without a loading dose would take five drug half-lives. Choice C, a medication with no first-pass effect, does not directly address the need for rapid attainment of therapeutic levels. While intravenous administration (choice D) offers excellent bioavailability, a single dose by this route may not achieve the desired therapeutic plasma concentration as rapidly as a loading dose.
3. The nurse is teaching a community health class for cancer prevention and screening. Which individual has the highest risk for colon cancer?
- A. Client with irritable bowel syndrome
- B. Family history of colon polyps
- C. Client with cirrhosis of the liver
- D. History of colon surgery
Correct answer: B
Rationale: A family history of colon polyps and/or colon cancer is a significant risk factor for developing colon cancer. Individuals with a family history are more likely to develop colon cancer due to genetic predisposition. While other factors like irritable bowel syndrome, cirrhosis of the liver, and history of colon surgery may contribute to an increased risk of colon cancer, having a family history of colon polyps is the highest risk factor. Irritable bowel syndrome does not directly increase the risk of colon cancer. Cirrhosis of the liver is associated with liver cancer rather than colon cancer. A history of colon surgery may reduce the risk of colon cancer in some cases by removing precancerous polyps.
4. The client is preparing to undergo a total hysterectomy for advanced cervical cancer. The client is crying and says that she wants to have more children and is unsure if she should have the procedure. What should the nurse do?
- A. Allow the client to honestly discuss her fears and encourage her to talk more with her physician.
- B. Tell her the good things that she will be able to do without more children and encourage her to make a list of positive things.
- C. Explain to the client that her ovaries can be frozen for egg harvesting at a later time and she can find a surrogate.
- D. Advise the client to put off having the surgery until she is sure that she wants to undergo the procedure and notify the surgeon of the decision.
Correct answer: A
Rationale: In this situation, the most appropriate action for the nurse is to allow the client to express her fears and concerns openly. By encouraging her to talk more with her physician, the nurse is promoting effective communication and ensuring that the client receives adequate information to make an informed decision. Option A is correct because it acknowledges the client's emotions and empowers her to seek clarification and support from her healthcare provider. Options B and C do not address the client's emotional needs or provide a solution to her concerns regarding fertility. Option D is not appropriate as it does not prioritize the client's emotional well-being and delays necessary medical treatment for advanced cervical cancer.
5. A client receiving drug therapy with furosemide and digitalis requires careful observation and care. In planning care for this client, the nurse should recognize that which of the following electrolyte imbalances is most likely to occur?
- A. hyperkalemia
- B. hypernatremia
- C. hypokalemia
- D. hypomagnesemia
Correct answer: C
Rationale: When a client is receiving drug therapy with furosemide and digitalis, the nurse should anticipate the development of hypokalemia due to the potassium-wasting effects of furosemide. Hypokalemia can potentiate digitalis toxicity. While hyperkalemia is a concern with some medications, it is not typically associated with furosemide and digitalis. Furosemide can lead to hyponatremia, not hypernatremia, due to its diuretic effect. Hypomagnesemia, though a possible imbalance, is not the most likely to occur in this scenario as furosemide and digitalis are more commonly associated with hypokalemia.
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