Which statement about the colon is correct?
a. It has as much absorptive capacity as the small intestine.
b. It is the site of the final stages of carbohydrate and protein digestion.
c. Its movements are slower than movements in the small intestine.
d. Both a and c
e. All of the above
C
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Which leukocyte becomes a mast cell when it movies into connective tissue?
A) Lymphocyte B) Eosinophil C) Basophil D) Monocyte
What is the primary role of the interneuron (association neuron)?
A) carry information from the central nervous system to muscles and/or the viscera B) form a lipid-protein (lipoprotein) cell membrane on the outside of axons C) transmit nerve impulses from the skin and organs to the central nervous system D) connect motor and sensory neurons in their pathways E) detect the amount of stretch in skeletal muscles or tendons and their joints
Match the eye structure with the appropriate description.A. Blood vessels enter and the optic nerve exits hereB. A small yellow spot near the center of the posterior retinaC. The portion of the retina with the greatest visual acuityD. A jelly-like substance in the posterior cavity of the eyeE. The fluid that fills the anterior cavity of the eyeOptic disc
Fill in the blank(s) with the appropriate word(s).
Which best describes an event that occurs as part of the crossed-extensor reflex?
A. It stimulates contraction of the contralateral flexor and inhibits contraction of the contralateral extensor. B. It stimulates contraction of the contralateral extensor and inhibits contraction of the contralateral flexor. C. It is initiated by stretch in the ipsilateral extensor muscle. D. Inhibitory interneurons are activated, which synapse onto contralateral extensor muscles. E. Monosynaptic excitatory stimulation of ipsilateral extensor muscles occurs.