Strong peristaltic contractions in the large intestine are called
A. segmental contractions.
B. churning contractions.
C. mass movements.
D. rectal propulsions.
E. defecation.
C
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Cleavage occurs during
A. the fetal period. B. the pre-embryonic period. C. organogenesis. D. the embryonic period. E. fertilization.
Lipids (either nutrients or hormones) are insoluble in water but are found traveling in the plasma of the blood. Which of the following is the most likely explanation for this?
A) Lipids are carried in plasma bound to soluble plasma transport proteins B) Lipids are carried only in the lymph which is primarily composed of unsaturated fats C) Lipids are carried inside blood cells D) Enzymes in the plasma convert lipids to soluble forms.
The preganglionic fibers of the autonomic nervous system are cholinergic fibers
Indicate whether the statement is true or false
The ________ are branches made from the preganglionic sympathetic axons that travel from the spinal nerves to sympathetic ganglia chain.
A. gray rami communicantes B. dorsal rami C. ventral rami D. white rami communicantes