The dilation stage of labor
A) has contractions of the uterus spread only a few minutes apart.
B) includes dilation of the cervix.
C) usually is short—a few minutes in length.
D) occurs about an hour after the onset of true labor.
E) All of the answers are correct.
B) includes dilation of the cervix.
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A hormone that helps to regulate the sodium ion content of the body is
A) cortisol. B) parathormone. C) thymosin. D) somatotropin. E) aldosterone.
The hemoglobin found in erythrocytes is able to chemically attach to
A. both oxygen and carbon dioxide. B. only carbon dioxide. C. only oxygen. D. oxygen, carbon dioxide, and nitrogen. E. only nitrogen
What is the function of the longitudinal fasciculi?
A) connect one gyrus to another B) connect the frontal lobe to the other lobes of the same hemisphere C) connect the cerebral hemispheres D) connect the cerebral cortex to the diencephalon, brainstem, cerebellum, and spinal cord E) connect the cerebral cortex to the cerebellar cortex
Sperm release ________ to break down the bonds between adjacent follicle cells surrounding the oocyte
A) relaxin B) hyaluronidase C) calcium D) zonal inhibiting proteins E) glucose