Saunder's chp 54 Flashcards
1
Q
What does radioactive iodine uptake measure and how?
A
This measures thyroid function by measuring how the thyroid gland absorbs the iodine
2
Q
How often is the radioactivity checked for the radioactive iodine uptake test?
A
at 2-4 hours and again at 24 hours
3
Q
what are normal values for the radioactive uptake test
A
3%-10% at 2-4 hours and 5%-30% at 24 hours
4
Q
What is a normal T3 value?
A
80-230
5
Q
What is a normal T4 value?
A
5-12
6
Q
TSH is elevated in what condition
A
hypothyroidism
7
Q
What should be determined before patient has thyroid scan?
A
If patient has rec’d radiographic agents in the past 3 months
8
Q
Describe hypopituitarism
A
hyposecretion of one or more of the pituitary hormones