anatomy ch 15 ANS

Question 1

What is somatic sensory?

Answer 1

Detects signals from special senses and from skin and proprioceptors

Question 2

What is somatic motor?

Answer 2

Sends signals from CNS to skeletal muscles

Question 3

ANS is only what?

Answer 3

Motor

Question 4

What does ANS do?

Answer 4

Transmits signals from CNS to smoot muscle, cardiac muscle, and glands

Question 5

What is the function of ANS?

Answer 5

Maintaining homeostasis

Question 6

Where is preganglionic neuron located?

Answer 6

Cell body within brainstem or spinal cord

Question 7

Where is postganglionic neuron located?

Answer 7

Cell body within autonomic ganglion

Question 8

What do branches of axon do?

Answer 8

Talk to parts of your body very quickly for everything to react at once.

Question 9

What does hypothalamus do in ANS?

Answer 9

Integrates and command center for ANS; involved in emotions

Question 10

What does brainstem do in ANS?

Answer 10

Contains major ANS reflex centers

Question 11

What does spinal cord do in ANS?

Answer 11

Contains ANS reflex centers for defecation and urination

Question 12

Parasympathetic division

Answer 12

Rest and digest, homeostasis, conserving energy, replenishing nutrients

Question 13

Sympathetic division

Answer 13

Fight or flight, exercise, excitement, emergency

Question 14

What division is parasympathetic?

Answer 14

Craniosacral

Question 15

Preganglionic axons in parasympathetic are what?

Answer 15

Long; few branches

Question 16

Postganglionic axons in parasympathetic are what?

Answer 16

Short

Question 17

What division is sympathetic?

Answer 17

Thoracolumbar

Question 18

Preganglionic axons in sympathetic are what?

Answer 18

Short; many branches

Question 19

Postganglionic axons in sympathetic are what?

Answer 19

Long

Question 20

What does mass activation do?

Answer 20

Talk to a lot of places at once

Question 21

What does adrenal medulla do?

Answer 21

Keeps you in fight or flight

Question 22

Where are terminal ganglia located?

Answer 22

Close to effector organ

Question 23

Where are intramural ganglia located?

Answer 23

Within the organ itself

Question 24

What are the 4 cranial nerves of parasympathetic?

Answer 24

Oculomotor, facial, glossopharyngeal, vagus

Question 25

What does the oculomotor nerve do?

Answer 25

Postganglionic axons control ciliary muscles and pupil constriction.

Question 26

What does facial nerve do?

Answer 26

Postganglionic axons control lacrimal glands and salivary glands.

Question 27

What does vagus nerve do?

Answer 27

Communicate with the Brain-> thoracic -> abdomen

Question 28

In the sympathetic division ganglia is what?

Answer 28

Close to CNS

Question 29

What are sympathetic preganglionic neurons?

Answer 29

Cell bodies housed in lateral horn T1-L2

Question 30

What’s important with the cervical ganglion?

Answer 30

Thoracic viscera

Question 31

What are white rami communicantes?

Answer 31

Myelinated Preganglionic axons and onto trunk

Question 32

What are gray rami communicantes?

Answer 32

Unmyelinated postganglionic and off trunk

Question 33

What is included in the prevertebral ganglia?

Answer 33

Celiac, superior mesenteric, and inferior mesenteric ganglia

Question 34

What’s in the celiac ganglia?

Answer 34

Stomach, spleen, liver, gallbladder, pancreas

Question 35

What’s in the superior mesenteric ganglia?

Answer 35

Small intestine, large intestine, pancreas, kidney, ureters