Pancreas Flashcards

1
Q

The hormone-producing cells of the pancreas are the

A

islets of Langerhans

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2
Q

The two cell types in the islets of Langerhans are

A

alpha and beta

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3
Q

Alpha cells secrete

A

glucagon

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4
Q

Beta cells secrete

A

insulin

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5
Q

Insulin makes blood glucose go

A

down

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6
Q

Glucagon makes blood glucose go

A

up

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7
Q

Insulin firstly makes glucose go down by

A

promoting the uptake of glucose from the blood into liver and muscle cells

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8
Q

Insulin secondly makes glucose go down by

A

accelerating glucose conversion into glycogen

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9
Q

Insulin can also promote the conversion of excess glucose into

A

fat

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10
Q

The stimulus for insulin release is

A

raised blood glucose level

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11
Q

Rising blood glucose level is detected by

A

beta cells of the islets of Langerhans

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12
Q

The stimulus for glucagon release is

A

lowered blood glucose level

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13
Q

Lowered blood glucose level is detected by

A

alpha cells of the islets of Langerhans

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14
Q

Glucagon increases blood glucose level by promoting

A

glycogenolysis

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15
Q

Glucagon also increases glucose level by promoting

A

gluconeogenesis

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16
Q

Gluconeogenesis is

A

the conversion of fat and protein into new sugar