Although the early digestive system maintains contact with the embryonic yolk sac, it does not gain any nourishment from the sac. Instead, the yolk sac is involved with the formation of
A. skeletal muscle tissue.
B. the reproductive organs.
C. bones.
D. the heart and lungs.
E. blood vessels and blood cells.
Answer: E
Anatomy & Physiology
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An obstruction in the glomerulus would affect the flow of blood into the
A. efferent arteriole. B. distal convoluted tubule. C. proximal convoluted tubule. D. renal artery. E. afferent arteriole.
Anatomy & Physiology
Myelin is formed by
A) axons only. B) Schwann cells only. C) Schwann cells and oligodendrocytes. D) oligodendrocytes only.
Anatomy & Physiology
In the cerebral cortex, which cells process information on a local level?
A. Stellate B. Ependymal C. Pyramidal D. Purkinje
Anatomy & Physiology
Once hemoglobin has joined with oxygen, it is bright red and called
A. carbaminohemoglobin. B. reduced hemoglobin. C. hemoglobin. D. oxyhemoglobin.
Anatomy & Physiology