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Biol 205 > my test 3 > Flashcards

my test 3 Flashcards

1
Q

structure in the eye produces the aqueous humor and helps modulate the shape of the lens

A

ciliary body

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2
Q

describe congential heart defect that would result in mixing of oxygen rich and oxygen poor blood if left untreated

A

atrial septal defect

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3
Q

two stimuli that can activate a noiciceptor

A

pain
chemicals

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4
Q

real function of the spleen

A

removes waste and regulates blood cells

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5
Q

auditory ossicle articulates directly with the oval window

A

stapes

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6
Q

location where you would expect to find a baroreceptor

A

carotid sinus

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7
Q

specific type of leukocyte produces antibodies

A

b cell

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8
Q

blood flow through capillary beds can be controlled

A

constriction of arterioles

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9
Q

one potential cause of anemia

A

low iron content in the blood

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10
Q

gland requires iodine to synthesize its hormones

A

thyroid gland

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11
Q

ex of an elastic artery

A

aorta

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12
Q

where in body is insulin produced

A

islets of langerhans in the pancreas by beta cells

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13
Q

specific structure in the orbit that produces tears

A

lacrimal gland

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14
Q

valve that prevents backflow of blood from the left ventricle into the left atrium

A

bicuspid valve

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15
Q

cranial nerves that innervates taste buds

A

facial nerve
vagus nerve

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16
Q

tastants must be dissolved in saliva before they can stimulate

A

receptors on gustatory cells

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17
Q

bitter receptors are involved in trigerring immune responses in areas like

A

trachea and lungs

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18
Q

taste is complex perception that integrates

A

olfactory
tactile
thermal
gustatory stimuli

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19
Q

gustatory cells are epithelial cells that release

A

chemical signals onto sensory neurons

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20
Q

thermoreceptors are great examples of

A

phasic receptors

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21
Q

patient is suffering from heart attack it is common to perceive pain in the left arm

A

multiple first order neurons converging on the same second order neurons

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22
Q

structure for the primary pacemaker of the heart

A

sinoatrial sa node

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23
Q

adaptive phasic receptor consists of coiled branching dendrites surrounded by a fibrous capsule and modified swann cells, enabling it to respond to light touch, movement and vibration

A

tactile meissners corpuscle

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24
Q

platelets are formed

A

through fragmentation of megakaryocytes

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25
Q

adrenal glands produce each of the following hormones

A

testosterone
epinephrine
aldosterone
cortisol

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26
Q

siginificatn processing of visual info occurs within the

A

retina itself

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27
Q

posterior to the lens the eye is filled with a gelatinous fluid called the

A

vitreous humor

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28
Q

no photoreceptors present at the

A

optic disc of the retina

29
Q

most of the eys anterior surface is covered by the

A

bulbar ocular conjunctiva

30
Q

hypophyseal portal system carries neurohormones from the hypothalamus to their targets in the

A

anterior lobe of the pituitary

31
Q

the tunica intima is composed of

A

simple squamous epithelium

32
Q

leukocyte is the most abundant in the blood

A

neutrophil

33
Q

expect to find a network of fenestrated capillaries

A

choroid plexus
small intestine
anterior pituitary
kidney

34
Q

ampullary crests and their associated ampullary cupulae can be found in the

A

semicurcular ducts

35
Q

spiral organ of corti can be found

A

within the cochlear duct of the cochlea

36
Q

spiral organ of corti basilar membrane is more sensitive to

A

high frequency sounds near the oval window

37
Q

spiral organ of corti initiates a signal that is processed by

A

the auditory cortices on both sides of the brain

38
Q

organ of corti hair cells possess

A

sterocillia which are bent against the tectorial membrane

39
Q

which erythrocyte surface antigen is involved in erythroblastosis fetalis

A

Rh

40
Q

sensation regardless of the initial stimulus type, all receptors must

A

convert their stimuli into electrical signals

41
Q

sensation receptors for general senses are found

A

widespread throughout the body

42
Q

sensation receptor typically responds only to certain types of

A

stimuli

43
Q

special sensation convey info to the brain utilizing

A

cranial nerves

44
Q

which of the following is caused by a leaky heart valve that allows for backflow of blood

A

heart murmur

45
Q

following return lymph to the general circulation by draining it into the subclavian veins

A

lymphatic ducts

46
Q

lymph nodes contain germinal centers in the cortex for the proliferation of

A

b cells

47
Q

lymph nodes are common sites for lymphocytes to

A

encounter pathogens

48
Q

lymph nodes are concentrated in

A

cervical, axillary, and inguinal regions

49
Q

lymph nodes house macrophages that

A

help remove cellular debris from the lymph

50
Q

pulmonary arteries carry blood to the lungs from the

A

right ventricle

51
Q

olfactory sensory neurons send axons through

A

cribriform foramina to the olfactory bulbs of the brain

52
Q

at any given time, approximately 65% of the bodys blood can be found within

A

systemic veins and venules

53
Q

where are t cells tested for immunocompetence and self tolerance before being released into the circulation

A

thymus

54
Q

muscle contracts to help close the eyelids

A

orbicularis oculi

55
Q

during central adaption interneurons along the

A

sensory pathway are inhibited

56
Q

papillary muscles and chordae tendineae are directly associated with the

A

tricuspid and bicuspid atrioventricular valves

57
Q

release hormones that help to regulate blood calcium levels

A

kidneys
thryoid gland
parathyroid glands

58
Q

anteriory pituitary secretes

A

Prolactin
growth hormone
follicle stimulating hormone
thyroid stimulating hromone

59
Q

which cells in the retina are able to detect photons in low light environments

A

rods

60
Q

synthesize of hb is dependent on

A

iron

61
Q

hb assists in transporting carbon dioxide in the

A

blood

62
Q

one hB can bind up to

A

4 molecules of oxygen

63
Q

hb is the most abudndent protein in

A

erythrocytes

64
Q

myocardium of the heart consists of muscle fibers connected by

A

intercalated discs

65
Q

basilar artery connects the

A

vertebral arteries to the cerebral arterial circle

66
Q

order of structures that light passes through as it enters the eye

A

cornea
pupil
lens
retina

67
Q

internal jugular and vertebral veins collect oxygen poor blood from

A

dural sinuses around the brain

68
Q

hormone is synthesized in follicles full of colloid

A

thyroxine TX/T4

Biol 205 (45 decks)

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