Which structure receives visual information before it reaches the visual cortex? (Figure 14-20)
A) lateral geniculate body of the thalamus
B) medial geniculate body of the thalamus
C) ventral nucleus of the thalamus
D) paraventricular nucleus of the hypothalamus
E) supra-optic nucleus of the hypothalamus
A
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When arterioles constrict, it raises arterial blood pressure and increases the volume of forward flow into the veins, while constriction in veins reduces forward flow by decreasing pressure in the atria.
Answer the following statement true (T) or false (F)
Secretions from digestive organs include
a. enzymes b. bile c. mucus d. hormones e. all of the above
What do all glial cells have in common?
A. They all attack pathogens. B. They assist neurons in their respective functions. C. They help to transmit the nerve signals. D. They transfer blood to the various neurons. E. They absorb extra blood and cerebrospinal fluid.
Spermatogenesis:
A. begins with the mitotic division of spermatogonia. B. results in four primary spermatocytes for every spermatogonium. C. results in four spermatozoa for every primary spermatocyte. D. is not complete until after an egg is fertilized, which initiates the second meiotic division. E. takes place completely within the lumen of the seminiferous tubule.