Nokea
What is the role of the vestibular system?
- A. Balance and spatial orientation
- B. Vision correction
- C. Hearing amplification
- D. None of the above
Correct Answer: A
Rationale: The vestibular system is responsible for maintaining balance and spatial orientation.
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During an asthma attack, a healthcare provider is assessing a client for hypoxemia. Which of the following manifestations should the provider expect?
- A. Nausea
- B. Dysphagia
- C. Agitation
- D. Hypotension
Correct Answer: C
Rationale: The correct answer is C: Agitation. During an asthma attack, hypoxemia can lead to increased respiratory effort and decreased oxygen delivery to tissues, causing agitation. Nausea (A) is not a typical manifestation of hypoxemia in asthma. Dysphagia (B) refers to difficulty swallowing and is not directly related to hypoxemia. Hypotension (D) is unlikely in asthma as it is more commonly associated with shock or severe systemic conditions.
Tom complains of hunger and lack of energy midmorning. What suggestion would be most helpful?
- A. As a midmorning snack drink a glass of apple juice and eat a pear
- B. Drink only coffee with sugar for breakfast
- C. Eat a sweet roll midmorning
- D. Drink a glass of orange juice and eat three pieces of toast for breakfast
Correct Answer: A
Rationale: A balanced snack like apple juice and a pear provides quick energy and nutrients without excessive calories.
Which of the following statements about sexual function in older people is true?
- A. Impotence is an inevitable consequence of aging
- B. Slower arousal and reaction times are normal signs of aging
- C. Moderate alcohol consumption can improve sexual dysfunction
- D. Hormonal replacements are necessary for sexual satisfaction
Correct Answer: B
Rationale: Aging affects sexual function through physiological changes, including slower arousal and response times. However, these changes do not prevent sexual activity entirely.
When assigning staff to patients who are receiving chemotherapy, what is the major consideration about chemotherapeutic drugs?
- A. During preparation,drugs may be absorbed through the skin or inhaled.
- B. Many chemotherapeutics are vesicants.
- C. Chemotherapeutics are frequently given through central venous access devices.
- D. Oral and venous routes are the most common.
Correct Answer: A
Rationale: Safety precautions during drug preparation are paramount due to the potential for hazardous exposure to healthcare workers.
Nursing diagnoses mostly differ from medical diagnoses, in that they are
- A. dependent upon medical diagnoses for the direction of appropriate interventions.
- B. primarily concerned with caring, while medical diagnoses are primarily concerned with curing.
- C. primarily concerned with human response, while medical diagnoses are primarily concerned with pathology.
- D. primarily concerned with psychosocial parameters, while medical diagnoses are primarily concerned with physiologic parameters.
Correct Answer: C
Rationale: Nursing diagnoses focus on the patient's response to health conditions, whereas medical diagnoses focus on the disease itself.