A moderate diffuse axonal injury:
A) is generally characterized by a brief loss of consciousness, with or without retrograde amnesia.
B) causes a prolonged loss of consciousness and affects axons in both cerebral hemispheres.
C) is the most common result of blunt head trauma and is associated with temporary neuronal dysfunction.
D) produces an immediate loss of consciousness and residual neurologic deficits when the patient wakes up.
Answer: D) produces an immediate loss of consciousness and residual neurologic deficits when the patient wakes up.
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A) prime mover B) motor-unit C) antagonist D) opposition E) synergist
When a neurotransmitter opens a chemically gated ion channel that allows sodium to enter the postsynaptic cell, the result is an
A. EPSP. B. IPSP.
Which accurately describes sensory and motor pathways?
A. Sensory pathways terminate in the brain, and motor pathways terminate at effectors. B. Both sensory and motor pathways terminate in the brain. C. Both sensory and motor pathways terminate in the PNS. D. Sensory pathways terminate at effectors and motor pathways terminate in the brain.
Blood pressure likely is lowest in the _______.
A. arterioles B. capillaries C. venules D. veins