The number of functional gametes produced by one mature egg follicle is
a. 1
b. 2
c. 4
d. 8
a. 1
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The glossy-white appearance of most axons is due to
A. their proximity to light-reflecting cartilage. B. their proximity to white bone. C. the covering of ependymal cells. D. the high lipid content of the myelin sheath. E. the white color of the perivascular feet.
The most anterior muscle seen on sectional images at the level of the hip is the
A. piriformis. B. pectineus. C. sartorius. D. iliopsoas.
Which of the following statements regarding sensory pathways is correct?
A. All somatic sensory information that reaches the cerebral cortex is first processed in the thalamus. B. Somatic sensory information from the left side of the body projects to the left side of the somatosensory cortex. C. All somatic sensory information travels together in a single tract in the spinal cord. D. Ascending pathways in the anterolateral column of the spinal cord carry information about fine touch discrimination. E. Ascending pathways in the dorsal column of the spinal cord carry information about pain from the back muscles.
Absence of postural muscle tone is descriptive of or occurs during
A. slow-wave sleep. B. paradoxical sleep. C. both slow-wave sleep and paradoxical sleep. D. neither slow-wave sleep nor paradoxical sleep.