The small intestineA) is the main site of fat digestion.B) secretes amylase, lipase, and various proteases from its epithelial cells.C) is the main site of gastrin secretion.D) absorbs a larger volume of fluid than any other region of the GI tract.E) undergoes only peristaltic contractions, both during the digestion of meals and between meals.
What will be an ideal response?
A, D
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Hormones called ________ are involved in regulation of white blood cell populations
A) erythropoietin (EPO) B) colony-stimulating factor C) testosterone D) estrogen E) fibrin
The oocyte and granulosa cells secrete glycoproteins that form a thick, gel-like __________ that covers the oocyte and separates it from the surrounding granulosa cells
Fill in the blank(s) with correct word
Summarize the sliding filament theory
A) It is the theory that sarcomeres lengthen during the sliding of the thin and thick filaments past each other. B) It is the theory that Z lines will move further from each other when the thin and thick filaments slide past each other. C) It is the process that causes an action potential to travel down the T tubules into the sarcolemma. D) It is the theory that excitation-contraction coupling leads to muscle fiber relaxation. E) It is the process of sarcomere shortening caused by the sliding of thin and thick filaments past another.
Which cranial bone(s) are separate right and left bones at birth but generally fuse by the age of 5?
A. Mandible and maxilla B. Frontal bone and maxilla C. Frontal bone and mandible D. Frontal bone and occipital bone