Nokea
Which of the following is not a cause of tachycardia?
- A. Fever
- B. Exercise
- C. Sympathetic nervous system stimulation
- D. Parasympathetic nervous system stimulation
Correct Answer: D
Rationale: Tachycardia is an increased heart rate, and it can be caused by various factors such as fever, exercise, and sympathetic nervous system stimulation, all of which tend to increase heart rate. However, parasympathetic nervous system stimulation typically slows the heart rate, making it the exception among the choices provided. Thus, parasympathetic nervous system stimulation is not a cause of tachycardia.
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What is the most common psychogenic disorder among elderly individuals?
- A. Depression
- B. Sleep disturbances (e.g., bizarre dreams)
- C. Inability to concentrate
- D. Decreased appetite
Correct Answer: A
Rationale: Depression is the most common psychogenic disorder among elderly individuals. It can manifest as persistent feelings of sadness, hopelessness, and loss of interest in activities that were once enjoyed. Elderly individuals may also experience changes in appetite, sleep disturbances, and difficulty concentrating. Detecting and addressing depression in the elderly is crucial for their overall well-being and quality of life.
Which of the following signs and symptoms would the nurse expect to find when assessing an Asian patient for postoperative pain following abdominal surgery?
- A. Decreased blood pressure and heart rate and shallow respirations
- B. Quiet crying
- C. Immobility, diaphoresis, and avoidance of deep breathing or coughing
- D. Changing position every 2 hours
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
After 1 week of hospitalization, Mr. Gray develops hypokalemia. Which of the following is the most significant symptom of his disorder?
- A. Lethargy
- B. Increased pulse rate and blood pressure
- C. Muscle weakness
- D. Muscle irritability
Correct Answer: C
Rationale: Muscle weakness is a hallmark symptom of hypokalemia. Hypokalemia refers to low levels of potassium in the blood, which can affect muscle function. The decreased potassium levels can lead to muscle weakness, cramping, and even paralysis. These symptoms can impact various muscle groups in the body, making muscle weakness the most significant symptom to monitor and address in patients with hypokalemia.
During a Romberg test, the patient is asked to assume which position?
- A. Sitting
- B. Standing
- C. Genupectoral
- D. Trendelenburg
Correct Answer: B
Rationale: During a Romberg test, the patient is asked to stand with feet together and arms at the sides. The test evaluates proprioception and vestibular function by assessing the patient's ability to maintain balance with eyes closed. Asking the patient to stand helps to detect any balance issues or disturbances in the absence of visual input.
Studies have shown that about 40% of patients fall out of bed despite the use of side rails; this has led to which of the following conclusions?
- A. Side rails are ineffective
- B. Side rails should not be used
- C. Side rails are a deterrent that prevents a patient from falling out of bed
- D. Side rails are a reminder to a patient not to get out of bed
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.