Antidiabetics Flashcards

1
Q

Diabetes Definition

A

Chronic disorder of carbohydrate, fat and protein metabolism characterized by either type I or type II

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2
Q

Type I Diabetes

A

an absolute deficiency of insulin; beta cells of pancreas unable to produce insulin; thought to be an autoimmune disorder. Type 1 diabetics must take insulin injections

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3
Q

Type II Diabetes

A

a relative insulin deficiency; body is resistant to the insulin that is produced; even though pancreatic beta cells make insulin. Type 2 diabetics begin therapy usually with oral drugs

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4
Q

Diabetic nephropathy

A

kidney failure

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5
Q

Why are half of people on dialysis

A

because of diabetes

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6
Q

Diabetic neuropathy

A

patients loose sensations and feelings

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7
Q

Diabetic retinopathy

A

visual changes, tiny capillaries are disrupted/fragile, sees black spots, can develop blindness

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8
Q

high glucose levels makes wounds

A

harder to heal because of infections

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9
Q

The seven-year incidence rates of myocardial infarction in nondiabetic subjects with and without prior myocardial infarction at base line were

A

18.8 percent and 3.5 percent, respectively

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10
Q

The seven-year incidence rates of myocardial infarction in diabetic subjects with and without prior myocardial infarction at base line were

A

45.0 percent and 20.2 percent, respectively

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11
Q

Many diabetics have what surgery

A

coronary bypass surgery

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12
Q

alpha cells produce

A

glucagon - causes the release glucose from cell storage, sites where blood glucose levels are low

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13
Q

beta cells produce

A

insulin which allows body to use and store carbs, fats, and protein

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14
Q

insulin allows

A

glucose to the blood to move into the cells

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15
Q

Liver

A

first major organ reached by insulin-promotes storage and production of glycogen (GLYCOGENESIS)

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16
Q

Glycogensis

A

increases glucose uptake & storage; stimulates gluconeogenesis; inhibits glycogen and tissue breakdown

17
Q

insulin =

18
Q

gluconeogensis

A

making glucose form some source (where can get storage from energy)

19
Q

Insulins promotes

A

protein and lipid synthesis and promotes triglyceride storage in fat cells

20
Q

glucose is the

A

Main fuel for CNS: Brain cannot produce or store much glucose; MUST have continuous supply from circulation

21
Q

Circulating fuels of glucose and free fatty acids are stored

A

in liver & muscle as glycogen and as triglycerides in fat cells

22
Q

Fat-

A

9 calories of stored energy per gram

23
Q

Protein and carbohydrates-

A

4 calories per gram

24
Q

High blood glucose levels-

A

hyperglycemia

25
Polyuria
increased urine output; as glucose leaves it pulls out water
26
Polydipsia
increased thirst
27
Polyphagia
increased hunger
28
symptoms of type II
polyuria, polydipsia, unexplained weight loss
29
Can be type II if casual blood glucose is
>200mg/dL
30
even if a person just ate blood glucose should not be above
200
31
Can be type II if fasting blood glucose is
>126 mg/dL (fasting:no caloric intake for at least 8 hours)
32
Can be type II if 2 hour blood glucose is
> 200mg/dL during an oral glucose tolerance test. Glucose load containing the equivalent of 75 grams glucose dissolved in H2O
33
Insulin and counterregulatory hormones keep blood glucose levels in range of:
68- 105 mg/dL
34
short term complications are less if keep a tight
glycemic control with glucose level of 105-125 to prevent swinging
35
increase in blood glucose
stimulates pancreas to secrete insulin, increase in circulatory insulin, uptake of glucose by cells (metabolic energy, fat synthesis, glycogen synthesis), decreases blood glucose
36
decrease in blood glucose
stimulates pancreas to secrete glucagon, increases circulating glucagon, breakdown of glycogen in liver, release of glucose to blood