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(PA school) Human Physiology > All kahoots > Flashcards

All kahoots Flashcards

1
Q

What helps sense deep pressure?

A

Pacinian corpuscle

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2
Q

What provides nutrients to the cornea?

A

Aqueous humor

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3
Q

What cytoskeletal component of a neuron is largest in diameter?

A

Microtubules

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4
Q

What eicosanoid is involved with platelet aggregation?

A

Thromboxanes

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5
Q

What type of receptors produces little to no adaptation?

A

Tonic

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6
Q

Where are nerve impulses generated in the ear?

A

Organ of corti

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7
Q

What is the formula for cellular respiration?

A

Food + O2 <> CO2 + H2O + ATP

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8
Q

What is a marker for how cells identify self?

A

Carbs

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9
Q

What are the two divisions of the epithelium?

A

Secretory glands, and sheets

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10
Q

Is sodium more prevalent inside or outside the cell?

A

Outside (ECF)

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11
Q

Do lipophilic or hydrophilic substances move faster in simple diffusion?

A

Lipophilic

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12
Q

What becomes smaller as a muscle contracts?

A

H zone

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13
Q

What participate in cross bridge interactions?

A

Actin and myosin

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14
Q

How many heads does myosin have?

A

2

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15
Q

What happens to muscle during isometric contraction?

A

It doesn’t change length

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16
Q

What WBC accounts for the highest percentage?

A

Neutrophils

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17
Q

Monocytes are blood cells that mature into what?

A

Macrophages

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18
Q

Where is EPO (erythropoietin) produced?

A

Kidneys

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19
Q

What is the end product of the coagulation cascade?

A

Fibrin

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20
Q

Which immunoglobulin is mainly involved in the primary immune response?

A

IgM

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21
Q

What is the most abundant immunoglobulin?

A

IgG

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22
Q

Where are plasma proteins synthesized?

A

Liver

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23
Q

What chamber receives deoxygenated blood from the vena cava?

A

Right atrium

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24
Q

What part of an EKG shows atrial depolarization?

A

P wave

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25
Q

True or false: most of the cardiac tissue is made of autorhythmic cells

A

False; most is muscle cells

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26
Q

Where do the Purkinje fibers originate?

A

Bundle of His

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27
Q

What valve is between the right atrium and right ventricle?

A

Tricuspid

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28
Q

What layer of the heart contains the most mitochondria?

A

Myocardium

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29
Q

What is the average volume of blood in the human body?

A

5-5.5L

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30
Q

List the flow of blood through the heart from the vena cava

A

1) Right atrium
2) Right ventricle
3) Left atrium
4) Left ventricle

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31
Q

List the flow of blood through the valves starting a the vena cava

A

1) Tricuspid
2) Pulmonic SL valve
3) Mitral
4) Aortic SL valve

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32
Q
A
33
Q

True or false: normally alveoli empty completely during expiration

A

False

34
Q

True or false: alveolar ventilation doesn’t always increase when pulmonary ventilation increases

A

True

35
Q

True or false: O2 and CO2 have equal diffusion constants

A

False; sometimes they’re at different rates

36
Q

True or false: Hemoglobin has a higher affinity for O2 than any other substance

A

False (carbon monoxide)

37
Q

True or false: rhythmicity of breathing is brought about by pacemaker activity displayed by the respiratory muscles

A

False

38
Q

What type of pulmonary cells are responsible for secreting surfectant?

A

Type II alveolar cells

39
Q

If there’s an obstruction, air flow can still occur because of what?

A

Pores of Kohn (between alveoli)

40
Q

What nerve innervates the diaphragm?

A

Phrenic

41
Q

The changes in lung volume that occur with different respiratory efforts can be determined by a what?

A

Spirometer

42
Q

Pulmonary resistance is _________ that of vascular resistance

A

1/10

43
Q

What’s the most common cause of pulmonary embolism?

A

DVT

44
Q

True or false: the pulmonary system contains less smooth muscle than systemic circulation

A

True

45
Q

What is the major cause of death with COPD patients?

A

Right sided heart failure

46
Q

Ventilation is higher at the _____________ of the lungs

A

apex

47
Q

What is the main control of the respiratory center?

A

Medulla

48
Q

What would increase ventilation, high pH or low pH?

A

Lower pH

49
Q

What group stimulates the diaphragm to contract, VRG or DRG?

A

DRG

50
Q

What does the Hering-Breuer Reflex do?

A

Stops further inspiration (and increases heart rate)

51
Q

What buffer is important in the ICF?

A

Protein buffer

52
Q

Stimulation of the neuropeptide Y will result in what?

A

Increase appetite

53
Q

Inhibition of melanocortins will result in what?

A

Increased appetite

54
Q

What suppresses appetite?

A

Leptin

55
Q

Your fingers feel warm when holding a hot mug of coffee. This is an example of what?

A

Conduction

56
Q

The skin loses heat by warming air that is circulated over it. This refers to what?

A

Convection

57
Q

Sweating cools the skin by which mechanism?

A

Evaporation

58
Q

Cold temperature leads to the skin arterioles doing what?

A

Vasoconstriction

59
Q

pH of 7.3, CO2 high, HCO3 is normal. What condition is this?

A

Respiratory acidosis

60
Q

What do mucous cells of the stomach secrete?

A

Bicarbonate

61
Q

What are the 2 major hormones controlling pancreatic exocrine secretion?

A

Secretin and CCK

62
Q

What is the barrier between the stomach and the duodenum?

A

Pyloric sphincter

63
Q

What cells of the stomach secrete HCL acid?

A

Parietal cells

64
Q

Where does most absorption take place in the GI tract?

A

Small intestine

65
Q

Saliva begins digestion of dietary starches through the action of what enzyme?

A

Amylase

66
Q

Which section of the stomach has the thickest musculature?

A

Antrum

67
Q

Where is the vomiting center located?

A

Medulla

68
Q

How often is the protective lining of the stomach replaced?

A

Every 3 days

69
Q

What does somatostatin inhibit?

A

HCL secretion

70
Q

A hormone that has its primary function as controlling another hormone is what?

A

Tropic

71
Q

How many different hormones are secreted by the anterior pituitary?

A

6

72
Q

What is the main nutrient needed in order to make thyroid hormone?

A

Iodine

73
Q

What endocrine gland secretes melatonin?

A

Pineal gland

74
Q

What is another term for the neurohypophysis?

A

Posterior pituitary

75
Q

Stress triggers the release of what hormone from the adrenal cortex?

A

Cortisol

76
Q

What is the most abundant hormone produced by the pituitary?

A

GH

77
Q

GH hypersecretion after adolescence produces what condition?

A

Acromegaly

78
Q

Where is the suprachiasmatic nucleus located?

A

Hypothalamus

79
Q

Cushing’s syndrome involves the hypo/hypersecretion of what hormone?

A

Cortisol hypersecretion

(PA school) Human Physiology (35 decks)

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