The primary source of blood supply to the visual centers in the cerebrum is the internal carotid artery.
a. true
b. false
Ans: b. false
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Which three areas of gray matter found in each cerebral hemisphere are important in helping to control the initiation and termination of skeletal muscle movements?
a) red nuclei b) vestibular nuclei c) lateral olivary nuclei d) basal nuclei e) autonomic ganglia
The term ________ refers to the wrist.
A) pes B) tarsus C) manus D) palmar E) carpus
Match the following stages of sleep with their descriptions:
A) Stage 2 B) Stage 1 C) Stage 3 D) REM E) Stage 4 1) The stage when vital signs (blood pressure, heart rate, and body temperature) reach their lowest normal levels. 2) Indicated by movement of the eyes under the lids; dreaming occurs. 3) Theta and delta waves begin to appear. 4) Very easy to awaken; EEG shows alpha waves; may even deny being asleep. 5) Typified by sleep spindles. 6) Begins about 90 minutes after the onset of sleep. 7) Necessary for emotional health; may be neural "debugging."
Preganglionic fibers from the thoracic and lumbar segments of the spinal cord are part of the ________ division of the ANS.
A. somatic motor B. central C. parasympathetic D. sympathetic E. ganglionic