Endocrine Studies

Question 1

Measures the ability of the thyroid gland to concentrate and retain circulating iodide for the synthesis of thyroid
hormone

Answer 1

Radioactive Iodine Uptake

Question 2

Used to evaluate hyperthyroidism and/or hypothyroidism

Answer 2

Radioactive Iodine Uptake

Question 3

What is the main contraindication for Radioactive Iodine Uptake?

Answer 3

Pregnant or suspected of being pregnant, unless the potential benefits of the procedure far outweigh the risks to the fetus and mother

Question 4

Assesses thyroid size, assisting in the differential diagnosis of masses in the neck, base of the tongue and ruling out possible ectopic thyroid tissue.

Answer 4

Thyroid Scan

Question 5

Detects malignant or benign thyroid tumor and causes of neck or substernal masses

Answer 5

Thyroid Scan

Question 6

Assist in the diagnosis of congenital hypothyroidism and in the diagnosis of hypo/hyperthyroidism.

Answer 6

Thyroid Stimulation Hormone Assay

Question 7

Used to evaluate signs of hypothyroidism or hyperthyroidism and monitor response to therapy for hypo/hyperthyroidism

Answer 7

Free Thyroxine Concentration

Question 8

A major metabolite of epinephrine

Answer 8

Vanillylmandelic acid

Question 9

Assist in the diagnosis of neuroblastoma, ganglioneuroma, or pheochromocytoma

Answer 9

Vanillylmandelic Acid (VMA) Test

Question 10

Done to evaluate abnormal fasting or postprandial blood glucose levels that do not clearly indicate diabetes

Answer 10

Oral Glucose Tolerance Test (OGTT)

Question 11

The most accurate indicator of DM as it reflects serum glucose levels up to 3 months

Answer 11

Glycosylated Hemoglobin

Question 12

This is the initial test for diabetes

Answer 12

Fasting Blood Glucose

Question 13

Measures the blood glucose levels 2 hours after the client ingests food

Answer 13

2-hour Postprandial Blood Sugar Test

Question 14

What is the normal value for Fasting Blood Glucose?

Answer 14

Normal: 70 — 110 mg/dL