Nursing Elites

1. What is the term for the tendency of a drug to combine with its receptor?

• A. potency
• B. efficacy
• C. kinetics
• D. affinity

Correct answer: D

Rationale: The correct answer is 'affinity.' Affinity refers to the close relationship or mutual attraction between a drug and its receptor, indicating the strength of the drug-receptor bonding. Potency (Choice A) is related to the dose of a drug needed to produce a specific effect. Efficacy (Choice B) refers to a drug's ability to generate the desired effect. Kinetics (Choice C) deals with forces affecting the motion of material bodies or changes in a system, which is not directly associated with the bonding between a drug and its receptor.

2. Which fetal heart monitor pattern can indicate cord compression?

• A. variable decelerations
• B. early decelerations
• C. bradycardia
• D. tachycardia

Correct answer: A

Rationale: Variable decelerations can indicate cord compression as they are caused by umbilical cord compression or prolapse. This pattern shows an abrupt decrease in heart rate with an erratic shape, often resembling a V or W. Early decelerations (choice B) are typically caused by head compression during contractions and are considered benign. Bradycardia (choice C) is a consistent low heart rate below 110 bpm and is not specific to cord compression. Tachycardia (choice D) is an abnormally high heart rate above 160 bpm and is not associated with cord compression.

3. A nursing instructor asks a nursing student to describe accountability. Which statement(s) by the student indicate(s) an accurate description of accountability?

• A. Check the unit policy for the protocol for the care of clients who have been sexually assaulted.
• B. Ask a medical assistant.
• C. Call the nurse in charge of the day shift.
• D. Ask the police officers who brought the client to the center.

Correct answer: A

Rationale: Accountability in nursing involves taking responsibility for one's actions and decisions. In this scenario, checking the unit policy for the protocol related to the care of sexually assaulted clients demonstrates accountability. Policies and protocols provide guidance on appropriate actions and responsibilities in specific situations. Asking a medical assistant, calling the day shift nurse in charge, or consulting police officers are not appropriate actions to demonstrate accountability in this context. Seeking further clarification from the agency nursing supervisor on the night shift after reviewing the policy or protocol would be a more suitable course of action.

4. The nurse provides a postoperative client with an analgesic medication and darkens the room before the client goes to sleep for the night. The nurse's actions:

• A. help decrease stimuli from the cerebral cortex.
• B. stimulate hormonal changes in the brain.
• C. help the client's circadian rhythm.
• D. alert the hypothalamus in the brain.

Correct answer: A

Rationale: The nurse's actions of providing an analgesic medication and darkening the room aim to decrease stimuli from the cerebral cortex. Reduction of environmental stimuli, especially light and noise, from the cerebral cortex, which is an area of arousal, facilitates sleep. By decreasing input to this area, the client is more likely to fall asleep and stay asleep. Choices B, C, and D are incorrect because the scenario does not involve stimulating hormonal changes, influencing the circadian rhythm, or alerting the hypothalamus.

5. When a client needs oxygen therapy, what is the highest flow rate that oxygen can be delivered via nasal cannula?

• A. 2 liters/minute
• B. 4 liters/minute
• C. 6 liters/minute
• D. 8 liters/minute

Correct answer: C

Rationale: The correct answer is 6 liters/minute. When a client requires oxygen therapy, the maximum flow rate that oxygen can be delivered via nasal cannula is 6 liters/minute. Nasal cannula can effectively deliver oxygen up to 6 liters/minute. Flow rates exceeding 6 liters/minute may lead to drying of the nasal passages and discomfort for the client. Higher flow rates, like 8 liters/minute, should be administered using a mask to ensure sufficient oxygenation. Options A, B, and D are incorrect as they indicate flow rates that surpass the recommended maximum for nasal cannula delivery.

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