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PUBHLTH 370 Final > Review concepts > Flashcards

Review concepts Flashcards

1
Q

heart blood flow step one

A

deoxygenated blood flows into right atrium via the superior and inferior vena cavas

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2
Q

heart blood flow step two

A

blood flows from right atrium to right ventricle to the pulmonary artery and then to the lungs

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3
Q

heart blood flow step three

A

blood becomes oxygenated and discarded co2 in the lungs this then goes to the pulmonary veins and then into the left atrium

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4
Q

heart blood flow step four

A

from the left atrium blood goes to left ventricle and then to the aorta

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4
Q

pulmonary circulation

A

right side, lower pressure, focuses on o2 and co2 exchange

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5
Q

systemic circulation

A

left side, higher pressure, focuses on moving blood through the system

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6
Q

diffusion and gas exchange in lungs pathway

A
  1. o2 diffuses across pulmonary membrane into capillary blood
  2. hemoglobin binds to o2
  3. co2 is released
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7
Q

diffusion and gas exchange in lungs effectiveness

A
  1. concentration: of o2 and co2
  2. solubility: co2 is more soluble than o2
  3. membrane thickness
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8
Q

systolic BP

A

contraction of left ventricle, smoking, CVD, stress etc

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9
Q

diastolic BP

A

at rest, artery issue

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10
Q

baroreceptors

A

location: blood vessels and heart
what: monitors pressure changes in arteries
beta-1: cardiac output, alpha-1: vasoconstriction

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11
Q

chemoreceptors

A

location: aorta and cartoid ateries
what: feedback for ventilation and vasoconstriction

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12
Q

hypertension

A

essential: stand alone
secondary: due to other disease

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13
Q

peripheral arterial disease

A

reduce blood flow and o2 supply to peripheral aeries, causes intermittent claudation

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14
Q

intermittent claduation

A

pain due to peripheral aterial disease

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15
Q

mouth role in digestion

A

mechanical

16
Q

stomach role in digestion

A

chemical

17
Q

difference between spinchter muscle and peristalsis

A

s: moves chyme from stomach to small intestine
p: smooth muscle contractions of small intestine

18
Q

amylase

A

breaks down starch

19
Q

diagnosis of chrons

A

blood: fecal, blood, antibody test
imaging: ct, xray

20
Q

chrons vs ulcerative colitis

A

c: all GI, happens in patches, can extend through whole bowel wall
uc: GI happens in colon and rectum, happens continuously, innermost lining

21
Q

how male reproductive hormones work

A

hypothalamus, GnRH, FSH + LH, LH acts on leydig cells, testosterone

22
Q

estrogen responsibilities

A

secreted through ovaries during menstrual cycle
responsible for: fluid balance, breast development, reproductive organ development

23
Q

progesterone responsibilites

A

secreted through ovaries from ovulation to menses
responsible for: thickens uterus lining, relaxing smooth muscles, elevates core body temperature

24
Q

ovulation phase

A

menstruation to follicular to fertility to luteal

25
Q

follicular phase

A

one secondary follicle becomes dominant see what secretes the most estrogen and other follicles die

26
Q

luteal phase

A

pregnancy or menstruation occurs

27
Q

ovulatory cycle and phases

A

P: prolif - end of menstruation to ovulation
S: secre - ovulation to menstruation
M: menstu - shredding of superficial layer and drop in estrogen + progesterone

28
Q

pregnancy related hormones

A

hcg: pregnancy test
prolactin: lactation
oxytocin: contraction, breast milk ejection

29
Q

parathyroid glands

A

regulates calcium and phosphate
roles: osteoclasts, calcium absorption in food, calcium reabsorption, blood clotting, nervous conduction, muscle contraction, heart muscle tone

30
Q

mineralcartoids

A

salt balance found in adrenals

31
Q

glucocorticoids

A

carbs lipids and proteins metabolism, found in adrenals

32
Q

sex hormones in adrenals

A

estrogens and androgens

33
Q

adrenal medullas

A

noepi and epi

34
Q

insulin

A

stimulates formation of glycogen

35
Q

glucagon

A

stimulates breakdown of glycogen

PUBHLTH 370 Final (7 decks)

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