Baron von Quacko, famous tag-team wrestler, has a famous "sleeper hold" that he uses on his opponents
Using only a single digit on each hand, he presses on his opponent's neck until his opponent passes out. What are the structures on which he is pressing and what is the effect?
A. subclavian arteries; blood flow to brain is stopped
B. carotid chemoreceptors; blood pressure increases
C. baroreceptors in carotid sinus; peripheral vasodilation and decreased heart rate
D. vertebral arteries; blood flow to brain is increased
E. jugular vein; blood flow back to heart is decreased
C
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Label G represents which of the following structures?
A) syncytial trophoblast
B) developing villi
C) lacuna
D) uterine gland
E) amniotic cavity
Describe the composition of the gray matter of the spinal cord
A) myelinated axons B) cell bodies of neurons, neuroglia, and unmyelinated axons C) myelinated axons and unmyelinated axons D) neuroglia and spinal meninges E) spinal meninges
________ are compartments within the cell whose contents are isolated from the cytosol
A) Cytoskeleton B) Microvilli C) Nonmembranous organelles D) Membranous organelles E) Ribosomes
Information coming into the central nervous system is transmitted along ________ neurons.
A) sensory and efferent B) sensory C) afferent D) afferent and sensory E) efferent