Exam 2 Part 3

Question 1

The center of your vision is known as

Answer 1

fovea

Question 2

Light refracts through the ____

Answer 2

retina

Question 3

Cataracts are _____ lens

Answer 3

opaque

Question 4

The pupils job is

Answer 4

to control how much light comes in

Question 5

The anterior chamber of the eye ends with the ____ ___

Answer 5

aqueous humor

Question 6

In the posterior radiation is translated into ______which the brain can understand

Answer 6

impulses

Question 7

________ is when the eye changes shape to bring something close or far into focus

Answer 7

Accommodation

Question 8

______ = near sighted. Eyeball can be too long

Far sighted = ______

Answer 8

Myopic

hyperopic

Question 9

For vision: ________up close ________ far

Answer 9

Para sympathetic

sympathetic

Question 10

______ : decrease to see close things, stiffness of lens, age based, decrease in accommodation

Answer 10

Presbyopic

Question 11

Retina has 3 layers, list in order

Answer 11

Outermost layers (rods and cones aka photoreceptors)
Middle layer
innermost layers (ganglion cells)

Question 12

rods have poor acuity/sensitivity but high acuity/sensitivity

Answer 12

acuity

sensitivity

Question 13

Cones have high acuity/sensitivity but lower acuity/sensitivity

Answer 13

acuity

sensitivity

Question 14

We have a blind spot because the order of the ganglia/bipolar/ photoreceptors

Answer 14

ye

Question 15

Olfactory receptors are _____

Answer 15

phasic (rapidly adapting)

Question 16

Which of the following structures have stereocillia embedded in a cupula
A. Semicircular canal
B. Cochlea
C. Sacculeutricle

Answer 16

A. Semicircular canal

Question 17

For near objects, ciliary muscle _____ to make lens thicker

Answer 17

contracts

Question 18

retina layer order

Order :

Answer 18

photoreceptors, bipolar cell, ganglion cell

Question 19

Hormones regulate homeostasis in general, control reproduction, growth and development,

Answer 19

ye

Question 20

Catachalamines include _______ and ______

Answer 20

epinephrine and norepinephrine

Question 21

Parasympathetic controls insulin (rest and digest)

Sympathetic turns it off

Answer 21

ye

Question 22

insulin is realeased by the sympathetic/parasympathetic system

Answer 22

parasympathetic

Question 23

________: A hormone that release another hormone by stimulating a gland

Answer 23

Tropic hormone

Question 24

___ stimulates the thyroid to real ease hormones

Answer 24

TSH

Question 25

Steroid and thyroid hormones are nonpolar/polar

Answer 25

nonpolar

Question 26

_______ controls circadian rythem

Answer 26

Hypothalamus

Question 27

hormone responsible for -uterine contraction during childbirth - milk letdown during breast feeding - cuddle hormone

Answer 27

Oxytocin

Question 28

ADH is a

Answer 28

anit-diretic

Question 29

FSH and LH stimulate:

Answer 29

the gonads

Question 30

Growth hormone is actually _____ and triggers the release of IGF-1 in the ____

Answer 30

tropic | Liver

Question 31

Cortisol pathway

Answer 31

Hypothalamus -> CRH -> Anterior pituitary -> ACTH -> adrenal cortex -> cortisol

Question 32

Hypothalamus -> CRH -> Anterior pituitary -> ACTH -> adrenal cortex -> ______

Answer 32

Cortisol pathway

Question 33

cortisol actually inhibits it's own pathway at the ______ _____

Answer 33

anterior pituitary

Question 34

Aldosterone is an adrenal/pituitary steroids and influences the balance of ____

Answer 34

adrenal steroid | mineral balance of Na+ and K+

Question 35

Androgens are adrenal/pituitary steroids and are ____ _____

Answer 35

sex hormones

Question 36

Cortisol plays a major role in glucose metabolism and protein and lipid metabolism and is adrenal/pituitary

Answer 36

adrenal