Human Anatomy & Physiology: Anatomy and Phisiology II Final Exam Flashcards


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Human Anatomy & Physiology
Chapters 15, 16
Chapters 15-29 East Mississippi Community College
updated 11 years ago by midoriana
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College: Second year
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1

The neurohypophysis or posterior lobe of the pituitary gland is not a true endocrine gland because ________.

it is only a hormone storage area that receives hormones from the hypothalamus for release

2

Which of the following is/are a part of the external ear?

Auricle

3

The cells found within the parathyroid gland that secrete parathyroid hormone are called _______.

chief cells

4

There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?

ganglion cells

5

Which of the following homeostatic imbalances results from hyposecretion of growth hormone?

Pituitary dwarfism

6

Which of the following is true about light and vision?

When we see the color of an object, all light is being absorbed by that object except for the color being experienced.

7

The oil component found in tears is produced by the ________.

tarsal glands

8

Receptors for hearing are located in the ________.

cochlea

9

Ceruminous glands are ________.

modified apocrine sweat glands

10

Which of the following structures is not part of the external ear?

pharyngotympanic tube

11

What prevents the eyelids from sticking together when the eyes close?

tarsal gland secretions

12

ADH ________.

is inhibited by alcohol

13

Dim light and peripheral vision receptors are called:

Rods

14

Place the following events in the order in which they occur during sound transmission:

1.Tympanic membrane vibrates
2.Internal ear fluids are set in motion
3.Hearing receptors are stimulated
4.Ossicles of the ear vibrate
5.Auditory cortex is stimulated

1,4,2,3,5

15

Visible light fits between ________.

UV and infrared

16

Which of the following occurs within a negative feedback system?

Target organ effects inhibit further hormone release.

17

What structure regulates the amount of light passing to the visual receptors of the eye?

iris

18

Seventy percent of all sensory receptors are located in the ________.

eye

19

The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ________.

the presence of the appropriate receptors on the cells of the target tissue or organ

20

Direct gene activation involves a second-messenger system.

False

21

Farsightedness is more properly called ________.

hyperopia

22

Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.

Hormones

23

Any given hormone will influence the activity of ___________.

its target cells

24

Regulating hormones from the hypothalamus ________.

first enter into the hypophyseal portal system

25

Normal development of the immune response is due in part to hormones produced by the ________.

Thymus Gland

26

Which of the following organs is considered a neuroendocrine organ?

Hypothalamus

27

As blood levels of ___________ rise, the expulsive contractions of labor gain momentum and finally end in birth.

oxytocin

28

As we age:

the ability to detect high-pitched sounds diminishes.

29

The blind spot of the eye is where ________.

the optic nerve leaves the eye

30

Which of the following is not an endocrine gland?

Adenoid gland

31

Receptors for hearing are located in the ________.

cochlea

32

Match the following:

Question

The structure most responsible for focusing light rays that enter the eye.

The sensory layer of the eye.

Helps maintain the intraocular pressure; located in the anterior part of the eye.

Area of greatest visual acuity.

Answer:

A.
Lens

B.
Retina

D.
Aqueous humor

C.
Fovea centralis

33

Which of the following hormones stimulates gamete (sperm or egg) production?

Follicle-stimulating hormone

34

Which of the following stimulates most body cells to increase in size and divide?

Growth hormone

35

A man has been told that he is not synthesizing enough follicle-stimulating hormone (FSH), and for this reason he may be unable to father a child. Choose the correct statement to explain this problem.

FSH stimulates sperm production in the testes.

36

Light passes through the following structures in which order?

cornea, aqueous humor, lens, vitreous humor

37

Steroids are synthesized from:

cholesterol.

38

When one hormone opposes the action of another hormone, the interaction is called _____.

antagonism

39

Water-soluble hormones exhibit the shortest:

Half-Life

40

What is the main function of the rods in the eye?

vision in dim light

41

Olfactory receptor cells are neurons that undergo noticeable turnover throughout adult life.

True

42

What structure regulates the amount of light passing to the visual receptors of the eye?

iris

43

The major targets of growth hormone are ________.

bones and skeletal muscles

44

As we age:

the ability to detect high-pitched sounds diminishes.

45

Steroid hormones exert their action by ________.

entering the nucleus of a cell and initiating or altering the expression of a gene

46

Iodine is an essential element required for the synthesis of thyroxine.

True

47

With age, chronic stress increases blood levels of cortisol and appears to contribute to memory deterioration.

True

48

Nerve fibers from the medial aspect of each eye ________.

cross over to the opposite side at the chiasma

49

Which of the following is not one of the three major types of stimuli to trigger endocrine glands to manufacture and release their hormones?

endocrinal stimuli

50

The ______ is not a part of the vascular layer of the eye.

sclera

51

ACTH ________.

secretion is regulated by a hypothalamic secretion

52

The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is the parathyroid.

False

53

In the visual pathways to the brain, the optic radiations project to the ________.

primary visual cortex

54

Which of the follow types of neurons are replaced throughout adult life?

olfactory receptor cells

55

Ordinarily, it is not possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea ________.

has no blood supply

56

Olfactory cells and taste buds are normally stimulated by ________.

substances in solution

57

The receptor for static equilibrium is the ________.

macula