The glucose concentration in normal cerebrospinal fluid is:
A. Usually less than 30 mg/dL.
B. 60–75% of the plasma glucose concentration.
C. Equal to the plasma glucose concentration.
D. Usually greater than 100 mg/dL.
B
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When a child exhibits a permanent, nonprogressive set of motor deficits, this is called
A) multiple sclerosis. B) hydrocephalus. C) cerebral palsy. D) Alzheimer's disease.
A reflex that occurs when a person dives into cold water in which his breathing is inhibited, his heart rate becomes bradycardic, and vasoconstriction occurs is known as the:
A) diving reflex. B) mammalian diving reflex. C) submersion reflex. D) mammalian submersion reflex.
Of the following, which are disadvantages of using pocket ionization chambers as personnel dosimeters?
1. They can discharge if they are subjected to mechanical shock. 2. Because these devices provide no permanent legal record of exposure, health care facilities that use this method to record personnel exposure must delegate someone to keep such a record. 3. If not read each day, the dosimeter may give an inaccurate reading because the electric charge tends to escape. a. 1 only b. 2 only c. 3 only d. 1, 2, and 3
How does a health care worker determine which type of or color uniform is required?