The type of leukocyte that will migrate in the blood and take up residence in the tissues as a macrophage is a(n)
A. eosinophil.
B. basophil.
C. monocyte.
D. lymphocyte.
E. neutrophil.
C
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If blood pressure doubled, the blood flow through a vessel would be
A) doubled. B) halved. C) four times greater. D) 1/4 as much. E) unchanged.
The ________ of the sperm contains enzymes necessary for the penetration of the egg
A) acrosome B) nucleus C) tail D) midpiece
The blastocyst implants in the uterus on about the ________ day of the 28-day menstrual cycle. At this time, the endometrium is ________ and progesterone levels are _______
A. 21st; thick and secretory; high B. 28th; thick and secretory; low C. 14th; thick and secretory; low D. 28th; thin and proliferating; high E. 21st; thin and proliferating; low
What moves the bolus during the esophageal phase of deglutition?
A. pharyngeal constriction B. peristalsis C. the tongue D. segmentation