Chapter 7 - Autonomic Nervous System

Question 1

identify the characteristics shared by all types of muscle tissue

a. They utilize tryopomyosin
b. they are inervated by the autonomic nervous system
c. they have transverse tubules
d. they attach to tendons
e. they have neuromuscular junction

Answer 1

a.

Question 2

fast muscle fibers reach peak tension, more quickly than slow muscle fibers because

a. they have more calcium.
b. They have higher ATPase activity
c. Slow fibers fatigue more quickly
d. Slow fibers utilize glycolysis
e. Slow fibers are a type of smooth muscle, but fast or a type of skeleton muscle

Answer 2

d

Question 3

1. drawing back a bowstring at a non-constant velocity and 2. holding it drawn is what type of action?

Answer 3

1. isotonic
2. isometric

Question 4

each motor neuron innervates only one muscle fiber
true/false

Answer 4

F

Question 5

alpha-gamma activation best describes

a. ability of extrafusal and intrafusal efferent modern neurons to contract together to keep muscle spindle at appropriate stretch
b. Duel innervation of most organ systems by parasympathetic and sympathetic nervous system.
c. Activation of both muscle spindle and Golgi tendon organ during force generation
d. The idea that 1 muscle of a complementary pair is excited and one is inhibited

Answer 5

HUH

Question 6

as length of fiber decreases from optimum length why does the tension decreases as well

Answer 6

actin overlaps on top of actin limiting cross bridging

Question 7

A stretch reflex is considered (—–) and would produce an (——) stimulus. (choose all that apply)

a. Excitatory
b. Monosynaptic
c. Polysynaptic
d. Inhibitory

Answer 7

a/b

Question 8

which smooth muscle protein is most responsible for allowing relaxation?

a. caldmodulin
b. myosin phosphate
c. troponin
d. myosin light chain
e. trypomyosin

Answer 8

b

Question 9

describe somatic efferent fibers

Answer 9

cell body originates in CNS, and axon terminates on effector organ

Question 10

autonomic efferent fibers consist of

a. 1 muscle finber and 1 neuron
b. 2 neurons
c. 2 muscle fibers
d. 1 neuron
e. 1 muscle fiber

Answer 10

b

Question 11

Draw autonomic Efferent neuron

Answer 11

question 162 notebook

Question 12

The dominant response for stressful situations is triggered by

a. somatic NS
b. sympathetic NS
c. Autonomic NS
d. Parasympathetic NS
e. B and C

Answer 12

e

Question 13

sympathetic, preganglionic fibers originate in

a. spinal cord
b. brain
c. effector organ
d. cerebrospinal fluid

Answer 13

a.

Question 14

sympathetic preganglionic fibers are long while postganglionic fibers are short
true/false

Answer 14

false

Question 15

what is the sympathetic ganglion chain?

Answer 15

the place where sympathetic preganglionic fibers synapse

Question 16

parasympathetic preganglionic fibers originate

a. lower brain.
b. Upper brain.
c. Lower spinal cord.
d. Upper spinal cord.
e. A and C.
f. B & D.

Answer 16

e

Question 17

parasympathetic, preganglionic, fibers end/synapse on

a. Effector organ.
b. Ganglionic chain.
c. Collateral ganglion.
d. Terminal ganglion.
e. Neurotransmitter receptor.

Answer 17

d

Question 18

which of the following fibers release acetylcholine? (Choose all that apply)

a. Preganglionic parasympathetic.
b. Postganglionic sympathetic.
c. Postganglionic parasympathetic.
d. Preganglionic sympathetic.

Answer 18

a/c/d

Question 19

what kind of neurotransmitters do postganglionic sympathetic fibers release?

Answer 19

Noradrenaline
Activate adrenaline

Question 20

Autonomic nervous system neurotransmitters cause similar responses even in different tissues.
true/false

Answer 20

F
The parasymp and the sym are the two divisions of the autonomic nervous system and they are very different.

Question 21

what are the two different plasma membrane receptors?

Answer 21

Ionotropic and metatropic

Question 22

describe/draw metatropic plasma membrane receptors

Answer 22

week 7 slide 9

Question 23

what are 2 examples of cholinergenic receptors?

Answer 23

nicotonic and musearinic

Question 24

Nicoronic are cholinergenic receptors that respond to….

a. parasympathetic preganglionic.
b. Sympathetic postganglionic.
c. Sympathetic preganglionic.
d. Parasympathetic postganglionic
e. A and C

Answer 24

e.

Question 25

answer question 187 in the notebook

Answer 25

upset

Question 26

What does dual innervation mean?

Answer 26

it mean that most organs are controlled by the sympathetic and parasympathetic nervous system

Question 27

The ANS divisions produce (——-) effects on an organ and are (——–) controlled

Answer 27

opposite
recipricolly

Question 28

what are the key exeptions to dual innervation? (choose all the apply)
a. urinary bladder
b. arteries and veins
c. eyes
d. endocrine glands
e. sweat glands
f. brain activity

Answer 28

b and e

Question 29

review week 7 slide 12