Chapter 15

Nerves that release acetylcholine are considered

Cholinergic

The Parasympathetic division is also called

The Craniosacral division

The Sympathetic division (of the autonomic nervous system) is also called

The Thoracolumbar division

Trunk or chain ganglia are found in the sympathetic division of the ANS only

True

Two motor neurons are found in the parasympathetic division of the ANS and sympathetic division of the ANS

True

Sequence of the components of the autonomic reflex arc. Sensory receptors, sensory neurons, _______________, two motor neurons, and effector

integrating center.

The effectors of somatic reflex arcs are skeletal muscles whereas the effectors of the autonomic nervous system are cardiac muscle, smooth muscle, and glands.

true

The number of motor neurons in a somatic reflex arc is one whereas the autonomic reflex arc has two

true

The autonomic and somatic reflex arcs have the same components except the autonomic reflex has ______ motor neurons and the somatic has ______ motor neuron

2, 1

All preganglionic neurons release what neurotransmitter

Acetylcholine (ACh)

Nerves that release epinephrine & norepinephrine are considered

Adrenergic

Which of the following responses is NOT caused by stimulation of the parasympathetic division of the ANS? -Decreased heart rate -Airway dilation -Decreased pupil diameter -Increased secretion of digestive juices

Airway dialtion

Parasympathetic nerves exit the spine from?

Brain Stem and S2-4

Cranial nerves involved in autonomic function are

C.N. 3,7,9,10

Which of the following is associated with stimulation of the parasympathetic system -Digestion -Exercise -Excitement -Embarrassment

Digestion

Which of the following is associated with stimulation of the sympathetic system -Salivation -Lacrimation -Emergency -Urination

Emergency

Terminal ganglia are found in the sympathetic division of the ANS only

False

The parasympathetic division of the ANS has long postganglionic fibers

False

The sympathetic division of the ANS has short postganglionic fibers.

False

Which the following of the brain serve as the major control center of the ANS? -Cerebrum -Cerebellum -Thalamus -Hypothalamus

Hypothalamus

Where are the autonomic integrating centers located

Hypothalamus and lateral gray horn of spinal cord

Postganglionic cell bodies are found where?

In a ganglion

Receptors that monitor the internal environment of the body are called

Interoceptors

Which of the following are types of cholinergic receptors? -Nicotinic and Muscarinic receptors -Muscarinic and somatic receptors -Adrenergic and somatic receptors -Nicotinic and Adrenergic receptors

Nicotinic and Muscarinic receptors

Short preganglionic fibers are found in the parasympathetic division of the ANS and sympathetic division of the ANS

Only in sympathetic division of the ANS

The craniosacral division is found in the parasympathetic division of the ANS and sympathetic division of the ANS

Only in the parasympathetic division of the ANS

The thoracolumbar division is found in the parasympathetic division of the ANS and sympathetic division of the ANS

Only sympathetic division of the ANS

One of the main differences between a Somatic Nervous System (SNS) and Automonic Nervous System (ANS) is the type of effectors that are activated. The effector is (SNS) are _______, while the effectors in (ANS) are _________.

Skeletal muscles / smooth muscle, cardiac muscle, and glands

Which of the following neurons release norepinephrine -Sympathetic Postganglionic -Parasympathetic Preganglionic -Sympathetic Postganglionic -Parasympathetic Postganglionic

Sympathetic Postganglionic

Sympathetic nerves exit the spine from?

T1-L2

Which is NOT true concerning postganglionic neurons? -They always start in an autonomic ganglion -They are always unmyelinated -They always release the neurotransmitter Acetylcholine (ACH) -Always end at the effector tissue

They always release the neurotransmitter Acetylcholine (ACH)

Which is NOT true concerning the preganglionic neurons? -They always start in the brain or spinal cord -They are always myelinated -They always end at an autonomic ganglion or adrenal gland -They are always shorter than postganglionic neurons

They are always shorter than postganglionic neurons

Long preganglionic fibers are found in the parasympathetic division of the ANS only.

True

Prevertebral ganglia are found in the sympathetic division of the ANS only

True

The autonomic integrating centers can be influenced by higher brain ares.

True

The parasympathetic division of the ANS promotes digestion

True

The rami communicantes are found in the sympathetic division of the ANS only

True

The sympathetic division of the ANS innervates the adrenal medullae.

True

The sympathetic division of the ANS is activated during exercise, fighting or fleeing

True