Chapter 2, Problem 22RQ

NOTE THESE ARE ALL ONE QUESTION GROUP AND SHOULD BE ANSWERED AS SUCH Activation of the sympathetic nervous system __________________.   A. increases the flow of watery saliva   B. stimulates peristaltic contractions of the intestinal system   C. allows the body to relax rather than prepare for fight or flight   D. slows heartbeat and lowers blood pressure   E. causes the pupils to dilate The autonomic subdivision of the vertebrate nervous system innervates all but which of the following?   A. Skeletal muscles   B. Intestinal muscles   C. Liver   D. Heart   E. Pancreas The sympathetic nervous system includes the _______________.   A. lumbar and sacral nerves   B. cranial and sacral nerves   C. cranial and thoracic nerves   D. thoracic and lumbar nerves   E. cervical and lumbar nerves Which of the following statements accurately defines spinal nerve?   A. Cell in the deep part of the epidermis that produces the…

Which of the following is correct regarding the autonomic nervoussystem?a. It uses both cranial and spinal nerves.b. It is divided into sympathetic and parasympathetic divisions.c. Most organs under ANS control are under dual innervation—thatis, by both sympathetic and parasympathetic divisions.d. Major responsibilities are regulation and repair of cardiacmuscle, smooth muscle, organs, and glands.e. All of these are correct.

Which of the following statements regarding sciatic nerve is correct? a. Arises from L3/4/5/S1/2 b. Emerges from the lower border of piriformis c. Most commonly divides onto common peroneal and tibial branches in the middle of the hamstring compartment d. Can be injured by intramuscular injections in the upper outer quadrant of the buttock e. Gives no branches in the gluteal compartment

Which of the following statements concerning the preganglionic neuronsof the ANS is true?a. All parasympathetic preganglionic neurons secrete acetylcholine.b. Only parasympathetic preganglionic neurons secrete acetylcholine.c. All sympathetic preganglionic neurons secrete norepinephrine.d. Only sympathetic preganglionic neurons secrete norepinephrine.

Parasympathetic ganglia are located a. in a chain parallel to the spinal cord. b. in the dorsal roots of spinal nerves. c. next to or within the organs innervated. d. in the brain.

All of the following cranial nerves carry parasympatheticpreganglionic nerve axons excepta. CN III (oculomotor).b. CN V (trigeminal).c. CN IX (glossopharyngeal).d. CN X (vagus)

Which of the following statements about cerebral white matter is false? a. Commissural fibers connect the right and left cerebral hemispheres. b. Projection fibers connect the cerebral cortex of one hemisphere with structures in the other hemisphere. c. The corpus callosum is the largest bundle of white matter in the brain. d. Association fibers connect the gyri of the cerebral cortex with one another

To separate the brainstem from the rest of the brain, a cut would haveto be made between thea. medulla oblongata and pons.b. pons and midbrain.c. midbrain and diencephalon.d. thalamus and cerebrum.e. medulla oblongata and spinal cord

Which of the following statements is false about the choroidplexus?a. It is located within the ventricles of the brain.b. It is composed of ependymal cells and capillaries.c. It forms the blood-brain barrier.d. It produces and circulates cerebrospinal fluid