Endorcine Labs/Dx

Question 1

The posterior pituitary secretes what hormone

Answer 1

ADH

Question 2

The anterior pituitary secretes what hormones

Answer 2

TSH, ACTH, growth hormone, endorphins

Question 3

the HPAA access response negative feedback loop

Answer 3

Stress
Hypothalamus (CRF)
Pituitary (ACTH)
Adrenals (cortisol)

Question 4

ADH regulates

Answer 4

Pure water

Question 5

The thyroid is regulated by_____ and secretes ____

Answer 5

Regulated by: TSH
Secretes: T4, T3, calcitonin

Question 6

What does the parathyroid regulate

Answer 6

Calcium and phosphorus

Question 7

And what does the water deprivation test look at

Answer 7

ADH stimulation
Used to differentiate causes of diabetes insipidus, a DH is administered, monitor urine output, and serum osmolality every hour or two during test

Question 8

And what are some adrenal studies?

Answer 8

Cortisol, aldosterone, AC TH, urine cortisol via 24 hour urine, ACTH stimulation and suppression, CT, MRI

Question 9

And cortisol test

Answer 9

Serum cortisol, which is affected by diurnal variation.
Urine cortisol, 24 hour urine

Both evaluate the adrenal cortex function 

Question 10

Testing aldosterone levels

Answer 10

Used to assess for hyper aldosteronism. Need to keep same position for two hours, levels of aldosterone can vary depending on position

Question 11

Serum ACTH

Answer 11

Are valuating adrenal function

Question 12

What are some thyroid studies

Answer 12

TSH, T3, T4, thyroid ultrasound, thyroid scan, radioactive iodine uptake

Question 13

And what is the most sensitive test used for evaluation of thyroid dysfunction?

Answer 13

TSH

Question 14

And why would we get a serum T3 and T4

Answer 14

I evaluating thyroid function, monitoring thyroid therapy

Question 15

Used to evaluate nodules in the thyroid

Answer 15

Thyroid scan

radioactive isotopes used

Question 16

Provides direct measure of thyroid activity

Answer 16

A radioactive iodine uptake test. This is evaluating function of nodules, radioactive iodine is given, uptake measured at several intervals, value expressed in percentages

Question 17

What are some pancreas blood studies

Answer 17

Fasting blood glucose, casual blood glucose, A-1 C, OGTT (gestational Diabetes)

Question 18

What is a normal fasting blood glucose level

Answer 18

<126

Question 19

Oh what is a normal blood glucose level for a casual blood glucose study

Answer 19

<200

Question 20

Normal A1c level, diabetic A1c level

Answer 20

Normal is 4 to 6, greater than 6.5 is considered diabetic. Acceptable reference range for those with diabetes is 6 to 8% with a target of seven

Question 21

What Keytone level in a urine study is considered a medical emergency

Answer 21

> 300