REVIEW BIO201 CH6

Question 1

outer fibrous layer of the eye

Answer 1

sclera

Question 2

hole in the middle of the iris

Answer 2

pupil

Question 3

white matter structure on the posterior side of the eye

Answer 3

optic nerve

Question 4

structure that functions to bend light to focus on the retina

Answer 4

lens

Question 5

the blind spot of the eye

Answer 5

optic disc

Question 6

a muscle that adjusts the amount of light entering the eye

Answer 6

iris

Question 7

parts of the fibrous layer of the eye

Answer 7

sclera, cornea

Question 8

muscle that adjusts the amount of light entering the eye

Answer 8

iris

Question 9

shiny region that allows night vision

Answer 9

tapetum lucidum

Question 10

the vascular layer of the eye

Answer 10

choroid

Question 11

innervation of target organs by the sympathetic and parasympathetic divisions of the ANS

Answer 11

can be either antagonistic or cooperative

Question 12

the group of neurons that regulate digestive motility and enzymatic secretions are collectively known as the

Answer 12

enteric nervous system

Question 13

decreased rate is generally caused by the

Answer 13

PNS

Question 14

which is not a target of the ANS

Answer 14

biceps brachii muscle

Question 15

the receptors that always produce an excitatory response to ACh are

Answer 15

nicotinic receptors

Question 16

the PNS…

Answer 16

has preganglionic axons in cranial nerves, has ganglia near or in the wall of effector organs, is also called the craniosacral division, has long preganglionic axons and short postganglionic axons

Question 17

decreased gastric motility is caused by

Answer 17

sympathetic nervous system

Question 18

which division of the NS prepares the body for activity

Answer 18

SNS

Question 19

somatic motor neuron pathways are voluntary, one neuron in length, and lead to skeletal muscle ————.

Answer 19

effectors

Question 20

autonomic neuron pathways are involuntary, two neurons in length, and lead to smooth and cardiac muscle ——–

Answer 20

effectors

Question 21

what happens to the rate of digestive activity when sympathetic nervous system releases adrenaline onto the smooth muscle of the small intestine

Answer 21

sympathetic innervation of the digestive system inhibits digestion

Question 22

which senses utilize mechanoreceptors

Answer 22

touch smell taste

Question 23

olfactory sensation is processed by the ——- lobe

Answer 23

temporal

Question 24

sensory receptors are specialized structures that turn the energy of stimuli into electrochemical signals that the brain can understand. this is known as

Answer 24

transduction

Question 25

sour taste sensation is activated by the presence of

Answer 25

acids

Question 26

visual information is processed by the

Answer 26

occipital lobe