medication bound to protein can have which of the following effects
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Nursing Elites

NCLEX-PN

2024 PN NCLEX Questions

1. What effect can medication bound to protein have?

Correct answer: C

Rationale: Medication bound to protein leads to less availability to produce desired medicinal effects because only unbound drugs can interact with active receptor sites. If a drug is bound to protein, it cannot bind with a receptor site, reducing its effectiveness. Choice A is incorrect because binding to protein reduces drug availability. Choice B is incorrect because distribution to receptor sites is ineffective if the drug is bound to protein. Choice D is incorrect because metabolism does not occur until the drug is removed from the protein molecule by the liver, allowing the protein to return to circulation.

2. The parents of a 2-year-old child ask the nurse how they can teach their child to stop taking toys away from other children. Which of the following statements by the nurse offers the parents the best explanation of their child's behavior?

Correct answer: A

Rationale: Two-year-old children are very egocentric, believing everything revolves around them. They think other children want them to have their toys, which explains why they may take toys from others. This behavior is typical for children at this age as they lack the ability to see things from another's perspective. Option B is incorrect because negativity in children this age is more related to refusal of requests rather than taking toys. Magical thinking, as described in option C, is usually seen in preschool-age children and involves unrealistic beliefs. Option D is incorrect as domestic imitation refers to imitating adult household tasks, not other children's behavior.

3. A pregnant client is scheduled to undergo a transabdominal ultrasound, and the nurse provides information to the client about the procedure. The nurse provides which information?

Correct answer: B

Rationale: The correct answer is that the client may need to drink fluids before the test and may not void until the test has been completed. For a transabdominal ultrasound, the woman is positioned on her back with her head elevated and turned slightly to one side to prevent supine hypotension. A wedge or rolled blanket is placed under one hip to help her maintain this position comfortably. If a full bladder is necessary, the woman is instructed to drink several glasses of clear fluid 1 hour before the test and told that she should not void until the test has been completed. Warm mineral oil or transmission gel is spread over her abdomen, and the sonographer slowly moves a transducer over the abdomen to obtain a picture. The procedure typically takes 10 to 30 minutes, making choice A incorrect. Choice C is incorrect because a probe is not inserted into the vagina for a transabdominal ultrasound. Choice D is incorrect because the woman is positioned on her back with her head elevated and turned slightly to one side, not specifically on her back.

4. A rubella titer is performed on a pregnant client, and the results indicate a titer of less than 1:8. The nurse provides the client with which information?

Correct answer: B

Rationale: A rubella titer of less than 1:8 indicates that the client is not immune to rubella. In such cases, retesting will be necessary during the pregnancy. If the client is found to be non-immune, rubella immunization is required post-delivery. Therefore, choices A, C, and D are incorrect. Choice A suggests exposure, which cannot be confirmed by the titer result. Choice C wrongly implies that the client has not developed immunity, which is not accurate. Choice D is incorrect as the titer result is not within the normal immune range.

5. The LPN is about to give 100 mg Lopressor (metoprolol) to a client. Before administering the drug, they take the patient's vitals, which are as follows: Pulse: 58 Blood Pressure: 90/62 Respirations: 18/minute What action should the LPN take?

Correct answer: D

Rationale: Lopressor is given to treat hypertension, and a pulse of 58 and a blood pressure of 90/62 are considered low. To prevent the client from bottoming out, the drug should be held, and the findings reported to the RN, who should consult with the attending physician. LPNs should never adjust client dosing, as that is outside of their scope of practice. It is crucial to follow facility guidelines, which often recommend holding blood pressure medication at 60 bpm and a systolic pressure of 90 or less. By holding the drug and notifying the RN, the LPN ensures the client's safety and allows for appropriate assessment and decision-making by the healthcare team. Giving half the dose or double the dose without proper authorization can lead to serious complications and is considered unsafe practice.

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