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3 star topics DIT Flashcards

1
Q

fct ventromedial nucleus of hypothalamus

A

regulates satiety -stim by leptin –>damage = obesity and savage

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2
Q

fct supraoptic nucleus of hypothalamus

A

secrete ADH –> damage = central DI

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3
Q

fct paraventricular nucleus of hypothalamus

A

secretes oxytocin, CRH, TRH

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4
Q

fct suprachiasmatic nucleus of hypothalamus

A

circadian rhythm

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5
Q

fct mamillary nucleus of hypothalamus

A

memory –>damage: Wernicke-korsikoff

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6
Q

fct posterior nucleus of hypothalamus

A

thermoregulation –> damage: hypothermia

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7
Q

fct lateral nucleus of hypothalamus

A

regulated hunger -inhib by leptin –> damage = anorexia

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8
Q

fct arcuate nucleus of hypothalamus

A

secrete GHRH, DA, Pulsitile GnRH and regulated appetite

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9
Q

fct dorsomedial nucleus of hypothalamus

A

regulates hunger –> stim: obesity and savage

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10
Q

fct anterior nucleus of hypothalamus

A

thermoregualtion (cooling)

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11
Q

describe Ach synth and neurotransmission

A

pg 129 DIT

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12
Q

which structures can be damaged in an anterioro shoulder dislocation?

A
  1. axillary n (test sensaiton in deltoid region)
  2. posterior circumflex a
  3. supraspinatus tendon
  4. ant glenohumoral ligaments and glenoid labrum sepatation from the articular surface os the anterior glenoid neck (AKA bankart lesion)
  5. posterolateral humoral head defect d/t forceful impact against the ant rim of the glenoid (hill-sachs lesion)
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13
Q

OA

  1. some charas of the joint
  2. when pain
  3. how tx
A
  1. eburnation, osteophytes/bone spurs, PIP: bouchards, DIP: heberdens nodes, scar/sclerosis
  2. after use
  3. acetominophen, NSAIDs, COX-2, topical capsaicin cream, intraarticular glucocorticoid injections, intraarticular hyaluronon injections, opoids, tramadol, joint replacement
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14
Q

describe the epithelial cell jcts

A
  • tight - impermeable: have claudins, occludins
  • intermediate - e-cadherin linked to actin
  • desmosome - resist shearing; have keratin, desmoplaktin and desmoglein
  • on BM:
    • hemidesmosomes
    • integrins
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15
Q

label the branches of the celiac trunk

A
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16
Q

label the lung volumes

A
17
Q

physiologic dead space: defn and eqn

A

anatomic dead space (airway) + fctal dead sapce (capable of exchange butdont bc not much blood at apex)

Vd = VT x ((PaCO2 - PeCO2)/PaCO2)

18
Q

label:

A
19
Q

criteria for metabolic synd

A
  • high waist circumf
  • high TG
  • low HDL
  • high BP
  • high fasting serum glusose

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