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Biol 205 > practice test 3 > Flashcards

practice test 3 Flashcards

1
Q

receptor that is a free nerve ending that responds to extreme temp, mechanical damage and capsaicin

A

noiciceptor

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2
Q

hormone produced by adrenal cortex

A

aldosterone
cortisol
testosterone

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3
Q

muscles in middle ear that can help protect the struture of the ear from loud sounds

A

tensor tympani
stapedius

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4
Q

leukocyte that is rare and induces inflammation through the release of histamine

A

basophil

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5
Q

organ that removes erythrocytes and platelets from the blood, stores platelets and iron for later use, and provides a site for immune system surveillance by lymphocytes

A

spleen

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6
Q

chemoreceptor examples

A

aortic body
carotid body
sensory neuron
olfacotry

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7
Q

chamber of the heart that recieves o2 poor blood from the superior vena cava, inferior vena cava, and coronary sinus

A

right atrium

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8
Q

structure helps focus light on the retina by changing the shape of the lens

A

ciliary body

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9
Q

example of an elastic artery

A

carotid
brachiocephalic
pulmonary trunk
aorta

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10
Q

where does partial decussation of fibers from the optic nerves occur

A

optic chiasm

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11
Q

which erythrocyte surface antigen is involved in erythroblastosis fetalis

A

rh factor

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12
Q

hormones released by anterior pituitary

A

fsh
lh
msh
prl
gh
tsh
acth

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13
Q

what valve prevents backflow of blood from the right ventricle to the right atrium

A

tricuspid

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14
Q

structure crucial for helping to equalize pressure in the middle ear with atmospheric pressure

A

auditory eustachian tube

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15
Q

type of blood vessel plays a major role in controlling blood flow through capillaries

A

arteriole

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16
Q

type 1 diabetes mellitus occurs when the immune system destorys ___ in the pancreas, thus taking away the person’s ability to produce insulin

A

beta cells

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17
Q

olfactory sensory neurons synapse directly with

A

second order neurons in the olfactory bulb of the brain

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18
Q

lymphoid nodules in the oral cavity and pharynx are called

A

tonsils

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19
Q

chordae tendineae are associated with the ___ of the heart

A

papillary muscles

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20
Q

the spiral organ of corti is found within the

A

cochlear duct of the cochlea

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21
Q

which type of capillary is the most permeable

A

sinusoidal capillary

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22
Q

enlargement of the thryoid gland can occur due to a dietary defiency of

A

iodine

23
Q

lymph nodes house macrophages and lymphocytes that help

A

destroy pathogens and remove debris from lymph

24
Q

otoliths are embedded in a gelatinous membrane associated with the

A

maculae of the utricle

25
Q

which type of blood vessel is characterized by the presence of internal valves

A

large vein

26
Q

the hypophyseal portal system carries

A

hormones from the hypothalamus to the anterior pituitary

27
Q

which of the following is responsible for the phenomeone known as referred pain

A

neuronal convergence

28
Q

purkinje fibers stimulate the

A

ventricles of the heart to contract

29
Q

hemoglobin can bind to

A

either o2 or co2 molecules

30
Q

what cells in the retina are responsible for color vision

A

cones

31
Q

gustatory cells send signals

A

to sensory neurons when activated

32
Q

which layer of a blood vessel is most responsible for vasconstriction and vasodilation

A

tunica media

33
Q

following strucutres/tissues part of palpebra

A

conjunctiva
tasal plate
muscle
skin

34
Q

renin and erythropoietin are hormones produced by the

A

kidneys

35
Q

muscle spindle, which monitors the amount of stretch in skeletal muscles is an example of

A

proprioceptor

36
Q

anemia occurs when

A

blood has low capacity for carrying o2

37
Q

what cells in the adrenal medulla are modified post ganglionic neurons that release epinephrine directly into the blood

A

chromaffin cells

38
Q

type of lymphatic vessel directly empties lymph into the venous circulation near the junction of the internal jugular and subclavian veins

A

lymphatic duct

39
Q

which receptor is sensitive to pressure and distortion of the skin and consists of dendrites interwoven with collagen fibers in the dermis

A

bulbous ruffini corpuscle

40
Q

_____ connects the right and left atria of the fetal heart and normally closes after birth

A

foramen ovale

41
Q

what is the first structure light must pass through as it enters the eye

A

cornea

42
Q

which hormone is synthesized within follicles in a substance called colloid

A

T3

43
Q

phasic receptors are only active

A

when a change occurs in the conditions being monitored

44
Q

the area monitored by a receptor is called the

A

receptive field

45
Q

first order sensory neurons remain active when

A

central adaption is occuring

46
Q

tonic receptors are always

A

active even when stimulus level is constant

47
Q

the cerebral arterial circle connects

A

internal carotid and basilar arteries on the inferior aspect of the brain

48
Q

sensory structures is most likely monitered by neurons from the vestibular ganglion

A

ampullary crest

49
Q

most abundant protein type in blood plasma is

A

albumin

50
Q

which structure articulates directly with the tympanic membrane

A

malleus

51
Q

cardiac muscle cells with intercalated discs are concentrated within the

A

myocardium

52
Q

antidiuretic hormone and oxytocin are produced within the ____ and released by the _____

A

hypothalamus
posterior pituitary

53
Q

fragmentation of megakaryocytes results in the formation of

A

platelets

Biol 205 (45 decks)

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