Which of the following has an effect on the speed of impulse conduction?
A. Synaptic knob
B. Neurotransmitter
C. Axon diameter
D. Interneuron
E. Dendrite length
C. Axon diameter
The speed of a nerve impulse is related to the diameter of the axon.
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Which of the following histamine-2 receptor blockers is NOT safe to be used by elderly patients?
A) nizatidine B) famotidine C) ranitidine D) cimetidine
Which of the following statements regarding patient preparation for dental radiography is NOT correct?
a. The patient should be protected with a lead/lead-equivalent apron and thyroid collar. b. The patient's occipital protuberance should be against the headrest during exposure. c. The patient's eyeglasses may be left in place to protect the eyes. d. Objects in the mouth such as dentures, partials, and retainers should be removed prior to exposure.
If variances exist, managers must first examine the report to determine whether the data were reported correctly.
Answer the following statement true (T) or false (F)
In the buffy coat production method the whole blood is first subjected to a
a. automated spin b. hard spin c. soft spin d. top spin