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Endocrine System > Dx Procedures > Flashcards

Dx Procedures Flashcards

1
Q

RAIU means

A

Radioactive Iodine Uptake

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2
Q

RAIU route of administration

A

PO or IV

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3
Q

RAIU 1st measurement is in ___ hours

A

2 to 4 hours

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4
Q

RAIU 2nd measurement is in ___ hours

A

24

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5
Q

RAIU 1st measurement normal values

A

3-10%

increased in hyperthyroidism
decreased in hypothyroidism

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6
Q

RAIU 2nd measurement normal values

A

5-30%

increased in hyperthyroidism
decreased in hypothyroidism

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7
Q

RAIU needs precaution due to its radioactivity. T/F

A

F

RAUI’s dose is small and harmless

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8
Q

Contraindication: Food that may elevate RAIU result

A

iodine-rich food: seafood, shellfish, crabs

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9
Q

Contraindication: Drugs that may elevate RAIU result (ELBP)

A

Estrogen, lithium, barbiturates, phenothiazines

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10
Q

Diet status before RAIU

A

NPO

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11
Q

After RAIU, patient can have food after ___ hours

A

1 hour after oral dose

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12
Q

After RAUI, a __-hour urine specimen is collected

A

24 hour

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13
Q

RAUI is contraindicated in pregnancy. T/F

A

T

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14
Q

T3 is also known as

A

Triiodothyronine

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15
Q

Triiodothyronine is a serum test used to diagnose

A

hyperthyroidism

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16
Q

Normal T3 levels

A

80-200 ng/dl

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17
Q

T3 values can be increased by

A

estrogen, oral contraceptives

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18
Q

T3 values can be decreased by

A

phenytoin, lithium, propanolol

19
Q

T4 is also known as

A

Thyroxine

20
Q

Thyroxine is a serum test used to diagnose

A

hyperthyroidism

21
Q

Normal T4 levels

A

1-2.3 ng/dl

22
Q

T4 values can be increased by

A

estrogen, oral contraceptives

23
Q

T4 values can be decreased by

A

phenytoin, lithium, propanolol

24
Q

Diagnostic test used to identify nodules or growths

A

Thyroid Scan

25
Q

Chemical administered before scanning the thyroid gland

A

Technetium

26
Q

Technetium is administered via

A

PO or IV

27
Q

Technetium is given __ min before thyroid scan

A

30 min

28
Q

Thyroid scan is safe and harmless. T/F

A

T

29
Q

During thyroid scan, iodine-containing medications is halted for __ days before the test

A

14 days

otherwise it may result to false positives

30
Q

Diet status before thyroid scan

A

NPO

31
Q

If iodine is consumed before thyroid scan, the patient will fast for an additional __ min

A

45 min

32
Q

A patient for thyroid scan cannot receive radiographic contrast agent for __ months

A

3 months

otherwise it may result to false positive

33
Q

The level of radioactive medication in thyroid scan is safe. T/F

A

T

34
Q

Thyroid scan is contraindicated to

A

pregnancy

35
Q

OGTT/GTT means

A

Oral Glucose Tolerance Test or Glucose Tolerance Test

36
Q

GTT aids in the diagnosis of

A

diabetes mellitus

37
Q

GTT is confirmed after __ hours of ingesting glucose higher than __ mg/dl

A

2 hours; 200 mg/dl

38
Q

A patient to undergo GTT shall eat a diet with at least ___ g of carbohydrates for __ days

A

150g; 3 days

39
Q

A patient to undergo GTT shall avoid ___, ___, and ___ for __ hours

A

alcohol, coffee, smoking; 36 hours

40
Q

Diet status before GTT

A

NPO 10-16 hours

41
Q

For GTT, strenous exercise is avoided for __ hours before and after testing

A

8 hours

42
Q

Morning insulin or oral hypoglycemic medication is withheld before GTT. T/F

A

T

43
Q

In GTT, blood samples will be drawn at __ min intervals for a minimum of __ hours

A

30-min; 3 hours

Endocrine System (7 decks)

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