Nokea
In an emergency the rapid adjustments made by the body are associated with the increased activity of the:
In an emergency the rapid adjustments made by the body are associated with the increased activity of the:
- A. Thyroid gland
- B. Adrenal gland
- C. Pituitary gland
- D. Pancreas
Correct Answer: B
Rationale: The adrenal gland releases catecholamines and cortisol for rapid stress response.
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An adult is scheduled for a magnetic resonance imaging (MRI) exam today. Which finding must be reported immediately?
- A. The client has pins in her toes.
- B. The client usually wears a necklace.
- C. The client used to work in the x-ray department.
- D. The client has a pacemaker.
Correct Answer: D
Rationale: Pacemakers are contraindicated for MRI due to magnetic field interference, risking device malfunction, requiring immediate reporting, unlike pins, necklaces, or prior x-ray work.
A client has returned to his room following an esophagoscopy. Before offering fluids, the nurse should give priority to assessing the client's:
- A. Level of consciousness
- B. Gag reflex
- C. Urinary output
- D. Movement of extremities
Correct Answer: B
Rationale: Assessing the gag reflex is critical post-esophagoscopy to ensure the client can swallow safely, as local anesthesia may impair this reflex.
The nurse is teaching a client about the healthy use of ego defense mechanisms. An appropriate goal for this client would be
- A. Reduce fear and protect self-esteem
- B. Minimize anxiety and delay apprehension
- C. Avoid conflict and leave unpleasant situations
- D. Increase independence and communicate more often
Correct Answer: A
Rationale: Reduce fear and protect self-esteem. Ego defense mechanisms are unconscious proactive barriers that are used to manage instinct and affect in the presence of stressful situations. Healthy reactions are those in which the client admits that they are feeling various emotions.
What is the appropriate ratio of cardiac compressions to ventilations in an adult client for one-person CPR?
- A. 5:01
- B. 1:05
- C. 15:02
- D. 2:15
Correct Answer: C
Rationale: The appropriate ratio for adult CPR is 15 compressions to 2 ventilations.
A client asks the nurse about her beta-blockers medication effect to her angina.
What would be the nurse's response?
- A. Decrease cardiac output.
- B. Increase cardiac output.
- C. Decrease cardiac contractility.
- D. Increase cardiac contractility.
Correct Answer: C
Rationale: Beta-blockers decrease heart rate and cardiac contractility, reducing myocardial oxygen demand and relieving angina.