The nurse assessing an 80-year-old attributes the slowed knee jerk reflex with which age-related change?
a. Diminished brain cells
b. Degeneration of myelin sheath
c. Weakened muscles
d. Irritation of nerve roots
B
Loss of nerve fibers in the autonomic nervous system will cause diminished reflexes in the older adult.
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Which increases the risk for chronic dehydration in older adults?
a. Overuse of diuretic agents c. Dry mucous mem-branes b. Poor cognitive function d. Fluid loss from vomiting
A physician has ordered an arterial blood gas test for a client with a respiratory disorder. What is the most common role of the nurse in the arterial blood gas test?
A) Measure the partial pressure of the oxygen dissolved in plasma. B) Independently perform the arterial puncture to obtain the specimen. C) Implement measures to prevent complications after arterial puncture. D) Measure the percentage of hemoglobin saturated with oxygen.
When the patient asks what the purpose of goniometry is, the nurse replies that goniometry measures:
a. bone strength. b. muscle density. c. muscle strength. d. range of motion.
A patient's laboratory values indicate a "shift to the left.". The nurse would expect changes in which cell count?
1. Platelets 2. White blood cell count 3. Erythrocytes 4. Absolute neutrophil count (ANC)