Guinea pigs do not synthesize vitamin ____, so they need to eat fresh foods or supplements to ensure they do not develop vitamin deficiencies
Fill in the blank(s) with correct word
C
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Which of the following structures found in the skin help prevent water loss and inhibit bacterial growth on the surface of the skin?
a) Arrector pili b) Lunula c) Sweat glands d) Hair follicles e) Oil glands
The first stage of labor involves __________ of the cervix
Fill in the blank(s) with correct word
What is the function of the ductus venosus?
A. It is a shunt between the superior vena cava and aorta that rapidly passes maternal blood to the fetus. B. It is a shunt that flows between the umbilical vein and inferior vena cava and bypasses the liver. C. It is a shunt between the umbilical vein and aorta that rapidly passes maternal blood to the fetus. D. It is a shunt between the right and left atria that bypasses the fetal lungs. E. It is a shunt between the pulmonary trunk and the aorta that bypasses the fetal lungs.
Vasoconstriction of the arterioles will result in ________ in blood pressure.
A. a decrease B. an increase C. no change