Which descending tract is involved in reflex movements of the head in response to visual and auditory stimuli?
A. Corticospinal
B. Spinothalamic
C. Tectospinal
D. Reticulospinal
E. Vestibulospinal
C. Tectospinal
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Which of the following statements is NOT true of multiple sclerosis?
A. It is considered a myelin disorder. B. Patients may have disturbances in vision, balance, speech, or movement. C. It is more common in women than men. D. It is most often diagnosed in people over the age of 50.
Carbon atoms have four valence electrons. Are they likely to react with other atoms, and why or why not?
What will be an ideal response?
The frequency of action potentials generated by the SA node is:
A. increased by parasympathetic stimulation. B. decreased by sympathetic stimulation. C. increased by acetylcholine. D. increased by epinephrine. E. increased by an increase in blood pressure.
Most of the duodenum is in the anterior pararenal space.
Answer the following statement true (T) or false (F)