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Exam 2 Flashcards

(18 cards)

1
Q

FFA are use predominate by _______ tissues as they undergo ________ & conversion into ketone bodies (eg, B-hydroxybutyrate)

A

skeletal muscle & liver ; Beta oxidation

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2
Q

Principal target tissues for glucagon are _______ & ______.

A

liver ; adipose tissue

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3
Q

regulated by the balance b/w the effects of glucagon & insulin at their target organs.

A

Ketogenesis

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4
Q

Secretes digestive juices into the duodenum

A

Acinin

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5
Q

What secretes insulin and glucagon directly into the blood?

A

Islets of langerhans

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6
Q

Which organ is exposed to the the highest concentrations of pancreatic hormones before they reach the systemic circulation?

A

the liver

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7
Q

___________ stimulation increases glucagon release.

A

Vagal

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8
Q

Which hormone stimulates activation of HSL, resulting in the liberation of FFA into the circulation (lipolysis)?

A

glucagon

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9
Q

The vagal nerve inhibits large levels of _______ & _________ insulin secretion.

A

basal ; glucose-stimulated

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10
Q

_________________ stimulates glucagon & secretion.

A

Vagus nerve

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11
Q

Secreted by the alpha cells

A

glucagon

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12
Q

Secreted by the beta cells

A

insulin

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13
Q

secreted by the delta cells

A

Somatostatin

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14
Q

Which cells make up the islet of langerhans?

A

alpha, beta, and delta

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15
Q

Location of acinin cells

A

outside

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16
Q

location of islet of langerhans

17
Q

______________ from the ____________ drains into the hepatic portal vein.

A

Venous blood ; pancreas

18
Q

______________ stimulates the release of ___________ via B-2 adrenergic mechanism.

A

Epinephrine ; glucagon