Nokea
A client admitted with a severe head injury following an MVA is placed on a ventilator, and hyperventilation is maintained. The primary reason for maintaining hyperventilation is:
- A. To increase oxygen to the brain
- B. To dilate the cerebral blood volume
- C. To increase the cerebral blood volume
- D. To promote cerebral vasoconstriction and decrease cerebral blood flow
Correct Answer: D
Rationale: Hyperventilation reduces $\mathrm{CO}_2$, causing cerebral vasoconstriction, which decreases cerebral blood flow and intracranial pressure in head injuries.
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Which of the following observations best indicates to the nurse that a paraplegic client can adequately carry out activities of daily living at home after discharge?
- A. The client can shave himself and brush his teeth.
- B. The client can transfer himself into and out of his wheelchair.
- C. The client can maneuver his wheelchair without difficulty.
- D. The client can prepare his own well-balanced meals.
Correct Answer: B
Rationale: Transferring into and out of a wheelchair is essential for a paraplegic to perform ADLs independently, enabling mobility and access to other tasks. Shaving, maneuvering the wheelchair, and cooking are important but less critical if transfer ability is impaired.
A man is seen in the outpatient clinic for treatment of hypertension. The client expresses concern to the nurse that his wife has been unemployed for more than six months. He is afraid that soon they will be unable to pay their rent.
Which of these responses by the nurse would be BEST?
- A. These things always have a way of working themselves out.'
- B. It's important for your health that you not worry too much.'
- C. You're worried that you won't be able to pay the rent?'
- D. A social worker might be able to help you with this problem.'
Correct Answer: C
Rationale: Strategy: 'BEST' indicates there may be more than one response you will like. Remember therapeutic communication. (1) minimizes client's concerns (2) minimizes client's concerns and places pressure on client to avoid feelings (3) correct-reflective response, would encourage discussion of feelings and concerns (4) passing the buck, nontherapeutic
When an autistic client begins to eat with her hands, the nurse can best handle the problem by
- A. Placing the spoon in the client's hand and stating, 'Use the spoon to eat your food.'
- B. Commenting, 'I believe you know better than to eat with your hand.'
- C. Jokingly stating, 'Well I guess fingers sometimes work better than spoons.'
- D. Removing the food and stating, 'You can't have anymore food until you use the spoon.'
Correct Answer: A
Rationale: Placing the spoon in the client's hand and stating, 'Use the spoon to eat your food.' This provides clear instruction and encourages adaptive behavior.
An adult male had a myocardial infarction six weeks ago. He asks the nurse if it is safe for him to have sex. What should the nurse include when replying?
- A. Taking nitroglycerin before sexual activity is often helpful.
- B. Taking drugs for erectile dysfunction in addition to nitroglycerin is advised.
- C. The client should rest for several hours before engaging in sexual activity.
- D. Sexual activity should be avoided for six months after a heart attack.
Correct Answer: A
Rationale: Nitroglycerin before sexual activity can prevent angina, and sexual activity is generally safe 6 weeks post-MI if the patient is stable.
A client is admitted to the hospital with findings of liver failure with ascites. The health care provider orders spironolactone (Aldactone). What is the pharmacological effect of this medication?
- A. Promotes sodium and chloride excretion
- B. Increases aldosterone levels
- C. Depletes potassium reserves
- D. Combines safely with antihypertensives
Correct Answer: A
Rationale: Spironolactone promotes sodium and chloride excretion while sparing potassium and decreasing aldosterone levels. It has no effect on ammonia levels.