Many tiny ________ (interlobular) arteries branch from the ________ arteries, supplying blood to the renal cortex.
A. cortical radiate; arcuate
B. arcuate; cortical radiate
C. segmented; cortical radiate
D. arcuate; segmented
Answer: A
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The occipital bone has a large opening called the ____ through which the spinal cord connects to the brain.?
a. mental foramen b. occipital condyle c. foramen magnum d. temporal condyle
Which of the following is true regarding the production of intestinal juice?
A) Most of the fluid is actively transported into the lumen. B) The pancreas is the source for most of the intestinal juice. C) Intestinal juice is produced following activation by motilin. D) Local reflexes and parasympathetic stimulation increase the production of intestinal juice. E) The cephalic phase of gastric secretion produces intestinal juice.
Why does a splenectomy lead to an increased risk of septicemia?
A. The spleen is a huge reservoir of monocytes. B. The spleen has a delicate capsule that is difficult to surgically repair. C. The spleen is pulpy and vascular, causing it to bleed easily. D. It can cause excessive phagocytosis of the formed elements.
Which hormone from the developing blastocyst causes the corpus luteum to continue to secrete estrogen and progesterone?
A. Estrogen B. Human chorionic gonadotropin C. Human chorionic somatomammotropin D. Progesterone