The secretions of the adrenal medulla act to supplement the results of _________.

You are watching: Which of these effectors is not directly controlled by the autonomic nervous system?

A. parasympthetic innervation

B. sympathetic stimulation

C. vagus nerve activity

D. neurosecretory substances


Which of the adhering to does not define the ANS?

A. a system of motor neurons that innervates smooth and also cardiac muscle and also glands

B. a device of motor neurons that innervates all muscle cells

C. involuntary nervous system

D. somatic nervous system


Preparing the body for the "fight or flight" response is the role of the _______.

A. sympathetic nervous system

B. cerebrum

C. parasympathetic nervous system

D. somatic nervous system


The somatic and also autonomic nervous units differ in all of the complying with other than __________.

A. Their effectors

B. their efferent pathmeans

C. to some degree in targain responses to their neurotransmitters

D. every one of the transmitters


Where would certainly you not find a cholinergeric nicotonic receptor?

A. all parasympathetic targain organs

B. all postganglionic neurons

C. adrenal medulla hormone producing cells

D. skeletal muscle motor end plates


The parasympathetic ganglion that serves the eye is the __________.

A. ciliary ganglion

B. pterygopalatine ganglion

C. submandibular ganglion

D. otic ganglion


Cardiovascular impacts of the sympathetic department encompass all except ______.

A. constriction of the majority of blood vessels

B. dilation of the vessels serving the skeletal muscles

C. boost of heart and force

D. dilation of the blood vessels serving the skin and also digestive viscera


Over 90% of all parasympathetic fibers are obtained from cranial nerve number ________.

A. V

B. VII

C. X

D. XII


The "relaxing and digesting" division of the autonomic nervous system is the __________.

A. parasympathetic division

B. sympathetic division

C. somatic division

D. peripheral nervous system


Control of temperature. endocrine task, and also thirst are functions linked via the _______.

A. medulla

B. cerebellum

C. hypothalamus

D. thlamus


Which of these effectors is not directly regulated by the autonomic nervous system?

A. smooth muscle

B. cardiac muscle

C. skeletal muscle

D. most glands


Which of the complying with is not an outcome of parasympathetic stimulation?

A. salivation

B. dilation of the pupils

C. increased peristalsis of the of the digestive viscera

D. elimicountry of urine


Which of the adhering to statements is not true?

A. Sympathetic beginning is craniosacral; parasympathetic is thoracolumbar

B. Sympathetic ganglia are within a couple of centimeters of the CNS; parasympathetic are close to visceral organs served

C. Sympathetic department has actually short preganglionic and long postganglionic fibers; parasympathetic has long preganglionic and also short postganglionic fibers

D. Sympathetic has actually considerable branching of preganglionic fibers; parasympathetic has actually minimal branching of preganglionic fibers


sympathetic origin is craniosacral; parasympathetic is thoracolumbar

Sympathetic responses mainly are widespcheck out bereason _______.

A. inactivation of ACh is fairly slow

B. NE and also epinephrine are secreted right into the blood as part of the sympathetic response

C. preganglionic fibers are short

D. preganglionic fibers are lone


NE and epinephrine is secreted right into the blood as part of the sympathetic response

Sympathetic nerves may leave the spinal cord at which vertebra?

A. second cervical

B. third lumbar

C. initially coccyx

D. first thoracic


initially thoracic

Autonomic ganglia contain _______.

A. an outer connective tproblem capsule around the cell bodies of preganglionic motor neurons

B. synapses in between postganglionic fibers and their effectors

C. the cell bodies of motor neurons

D. both somatic afferent and efferent neurons


the cell bodies of motor neurons

The parasympathetic fibers of the ______ nerves innervate smooth muscles of the eye that reason the lenses to bulge to accomodate close vision.

A. optic

B. oculomotor

C. trochlear

D. abducens


oculomotor

Fibers that enter and leave the sympathetic chain without synapsing from structures dubbed _________.

A. white rami communicantes

B. gray rami communicantes

C. spinal nerves

D. splanchnic nerves


splanchnic nerves

Which of the complying with is not a plexus of the vagus nerve?

A. cardiac

B. pulmonary

C. celiac

D. esophageal


celiac

Visceral reflex arcs differ from somatic in that ______.

A. visceral arcs contain two sensory neurons

B. somatic arcs contain one additional component that visceral arcs perform not possess

C. visceral arcs involve 2 motor neurons

D. visceral arcs execute not usage integration centers


visceral arcs involve 2 motor neurons

The parasympathetic tone ______.

A. prevents unvital heart deceleration

B. accelerats activity of the digestive tract

C. determines normal task of the urinary tract

D. reasons blood press to climb


determines normal task of the urinary tract

Once a sympathetic preganglionic axon reaches a trunk ganglion, it have the right to carry out all however which one of the following?

A. synapse via a parasympathetic neuron in the exact same trunk ganglion

B. synapse with a ganglionic neuron in the same trunk ganglion

C. ascend or descfinish the trunk to synapse in one more trunk ganglion

D. pass via the trunk ganglion without synapsing via an additional neuron


synapse via a parasympathetic neuron in the very same trunk ganglion

Which of the complying with shows up to exert the most direct affect over autonomic function?

A. hypothalamus

B. midbrain

C. reticular formation

D. medulla oblongata


reticular formation

Beta-blockers ______.

A. rise a dangerously low heart rate

B. decrease heart rate and also blood pressure

C. have widespread sympathetic effects

D. are potent antidepressants


decrease heart price and also blood pressure

Erection of the penis or clitoris _____.

A. is generally under sympathetic control

B. is primariyl under parasympathetic control

C. is the result of coordinated activation by both sympathetic and also parasympathetic input

D. relies exceptionally little bit on autonomic activation


is primarily under parasympathetic control

Which is a uniquely sympathetic function?

A. regulation of pupil size

B. regulation of cradiac rate

C. regulation of respiratory rate

D. regulation of body temperature


regulation of body temperature

Raynaud"s disease ________.

A. is identified by exaggerated vasconstriction in the extremities

B. is induced by warm stress

C. occurs primarily in association through injury to the spinal cord

D. is typically life threatening


is identified by exaggerated vasconstriction in the extremities

Autonomic dyserflexia ______.

A. is likewise well-known a autonomic areflexia

B. requires unmanaged activation of autonomic neurons

C. commonly comes before spinal shock

D. outcomes from overexcitatory input from the cortex


requires uncontrolled activation of autonomic neurons

Which sympathetic fibers form a splanchnic nerve?

A. those that synapse via parasympathetic fibers

B. those that synapse in the exact same trunk ganglia

C. those that synapse with somatic fibers

D. those that ass through the trunk ganglion to synapse in collateral or prevertebral ganglia


those that pass via the trunk ganglion to synapse in collateral or prevertebral ganglia

Which of the adhering to adrenergic neurotransmitter receptors plays the significant role in heart activity?

A. beta 1

B. beta 2

C. beta 3

D. alpha 1


beta 1

Wright here would you not find an autonomic ganglion?

A. in the head

B. in the cervical region

C. close to the vesceral effectors they serve

D. in the armpit


in the armpit

Sympathetic department stimulation causes ______.

A. diminished blood glucose, enhanced GI peristalsis, and also increased heart price and also blood pressure

B. enhanced blood glucose, boosted GI peristalsis, and also reduced heart rate and blood pressure

C. increased blood glucose, reduced GI peristalsis, and boosted heart rate and blood pressure

D. reduced blood glucose, raised GI persitalsis, and also lessened heart price and also blood push


enhanced blood glucose, diminished GI peristalsis, and also raised heart price and blood pressure

The smooth muscle of the digestive viscera is served mainly by the ___________.

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A. lumbar splanchnic nerves

B. cephalic plexus

C. pelvic nerves

D. tenth cranial nerve


tenth cranial nerve

The course of major parasympathetic outflow from the head is by means of the ____________.

A. sympathetic trunk

B. phrenic nerve

C. vagus nerve

D. sacral nerve


vagus nerve

Parasympathetic functions encompass _________.

A. a stimulation of heart rate and also pressure of contraction

B. allowing the body to cope through an external threat

C. lens accommodation for cshed vision

D. mobilizing storage energy sources


lens accommodation for cshed vision

Emotions influence autonomic reactions generally via integration in the __________.

A. lateral horn of the spinal cord

B. hypothalamus

C. lateral geniculate of the thalamus

D. inferior colliculus


hypothalamus

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