The ________ reflex stimulates increased gastrin activity and increased movement of chyme into the duodenum.
A. GLP-1
B. gastroileal
C. GIP
D. ileogastric
Answer: B
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Which of the following is not a characteristic of the parasympathetic division of the ANS?
A. Its effects are local. B. The terminal ganglia are very close to or within their target organs. C. It originates in the craniosacral regions of the CNS. D. It has short preganglionic fibers. E. It has short postganglionic fibers.
In comparing sheep brains and human brains, one notes that, in humans, ________
A) there is only a single mammillary body; sheep have two B) the pons is relatively smaller C) the fornix is thinner than the corpus callosum D) the superior and inferior colliculi are relatively larger
Differentiate between divergent and convergent neural circuits
A) In divergent circuits, information spreads from one neuron to several neurons. In convergent circuits, several neurons synapse with one postsynaptic neuron. B) In divergent circuits, several neurons synapse with one postsynaptic neuron. In convergent circuits, information spreads from one neuron to several neurons. C) In divergent circuits, information from one neuron is spread through one hemisphere of the cerebrum. In convergent circuits, information from one neuron is spread through both cerebral hemispheres. D) In divergent circuits, information from one neuron is spread through both cerebral hemispheres. In convergent circuits, information from one neuron is spread through one hemisphere of the cerebrum. E) In divergent circuits, branches of axons somewhere along on the circuit extend back toward the source and stimulate the presynaptic neuron similar to a positive feedback loop. In a convergent circuit, the original presynaptic neuron is not stimulated by axons further down the circuit.
The nerve that allows you to produce tears is the:
a. opthalamic nerve b. optic nerve c. facial nerve d. oculomotor nerve