Dx Procedures

Question 1

RAIU means

Answer 1

Radioactive Iodine Uptake

Question 2

RAIU route of administration

Answer 2

PO or IV

Question 3

RAIU 1st measurement is in ___ hours

Answer 3

2 to 4 hours

Question 4

RAIU 2nd measurement is in ___ hours

Answer 4

24

Question 5

RAIU 1st measurement normal values

Answer 5

3-10%

increased in hyperthyroidism
decreased in hypothyroidism

Question 6

RAIU 2nd measurement normal values

Answer 6

5-30%

increased in hyperthyroidism
decreased in hypothyroidism

Question 7

RAIU needs precaution due to its radioactivity. T/F

Answer 7

F

RAUI’s dose is small and harmless

Question 8

Contraindication: Food that may elevate RAIU result

Answer 8

iodine-rich food: seafood, shellfish, crabs

Question 9

Contraindication: Drugs that may elevate RAIU result (ELBP)

Answer 9

Estrogen, lithium, barbiturates, phenothiazines

Question 10

Diet status before RAIU

Answer 10

NPO

Question 11

After RAIU, patient can have food after ___ hours

Answer 11

1 hour after oral dose

Question 12

After RAUI, a __-hour urine specimen is collected

Answer 12

24 hour

Question 13

RAUI is contraindicated in pregnancy. T/F

Answer 13

T

Question 14

T3 is also known as

Answer 14

Triiodothyronine

Question 15

Triiodothyronine is a serum test used to diagnose

Answer 15

hyperthyroidism

Question 16

Normal T3 levels

Answer 16

80-200 ng/dl

Question 17

T3 values can be increased by

Answer 17

estrogen, oral contraceptives

Question 18

T3 values can be decreased by

Answer 18

phenytoin, lithium, propanolol

Question 19

T4 is also known as

Answer 19

Thyroxine

Question 20

Thyroxine is a serum test used to diagnose

Answer 20

hyperthyroidism

Question 21

Normal T4 levels

Answer 21

1-2.3 ng/dl

Question 22

T4 values can be increased by

Answer 22

estrogen, oral contraceptives

Question 23

T4 values can be decreased by

Answer 23

phenytoin, lithium, propanolol

Question 24

Diagnostic test used to identify nodules or growths

Answer 24

Thyroid Scan

Question 25

Chemical administered before scanning the thyroid gland

Answer 25

Technetium

Question 26

Technetium is administered via

Answer 26

PO or IV

Question 27

Technetium is given __ min before thyroid scan

Answer 27

30 min

Question 28

Thyroid scan is safe and harmless. T/F

Answer 28

T

Question 29

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

Answer 29

14 days | otherwise it may result to false positives

Question 30

Diet status before thyroid scan

Answer 30

NPO

Question 31

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

Answer 31

45 min

Question 32

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

Answer 32

3 months | otherwise it may result to false positive

Question 33

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

Answer 33

T

Question 34

Thyroid scan is contraindicated to

Answer 34

pregnancy

Question 35

OGTT/GTT means

Answer 35

Oral Glucose Tolerance Test or Glucose Tolerance Test

Question 36

GTT aids in the diagnosis of

Answer 36

diabetes mellitus

Question 37

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

Answer 37

2 hours; 200 mg/dl

Question 38

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

Answer 38

150g; 3 days

Question 39

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

Answer 39

alcohol, coffee, smoking; 36 hours

Question 40

Diet status before GTT

Answer 40

NPO 10-16 hours

Question 41

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

Answer 41

8 hours

Question 42

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

Answer 42

T

Question 43

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

Answer 43

30-min; 3 hours