Chemicals released by metabolically active cells will cause which of the following?
A) contraction of arteriolar smooth muscle to decrease blood flow
B) contraction of capillary smooth muscle to increase blood flow
C) contraction of arteriolar smooth muscle to increase blood flow
D) relaxation of capillary smooth muscle to decrease blood flow
E) relaxation of arteriolar smooth muscle to increase blood flow
Answer: E) relaxation of arteriolar smooth muscle to increase blood flow
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What reduces the rate at which bacteria converts dissolved organic matter to particulate organic matter?
a. Phages b. Dissolved organic matter availability c. Sunlight d. Depth
The lining of the uterus that is lost and replaced on a monthly basis in the form of menstrual fluid and serves as the site of implantation. _____
A) Endometrium
B) Testis
C) Cervix
D) Uterus
E) Oviduct
F) Ovaries
G) Vagina
H) Seminal vesicle
I) Penis
J) Prostate gland
K) Vas deferens
L) Glans penis
Juvenile diabetes results when insulin producing cells in the pancreas are destroyed by the patient's
own immune system. Indicate whether the statement is true or false.
According to this phylogenetic tree, which bear is most closely related to the American black bear?
A) The sun bear B) The Asiatic black bear C) The polar bear D) The brown bear