Chapter 18 Laboratory Test And Clincal Procedures

Question 1

Fasting plasma glucose (FPG)

Answer 1

1. Also known as fast blood sugar test
2. Measures circulating glucose level in a patient who has fasted at least 8 hours. Can diagnose diabetes or prediabetes

Question 2

Serum and urine tests

Answer 2

Measurement of hormones, electrolytes, glucose and other substances in serum (blood) and urine as indicators of endocrine functions.

Question 3

Thyroid function tests

Answer 3

Measures T3, T4, and TSH in the bloodstream

Question 4

Exophthalmometry

Answer 4

Measurement of eyeball protrusion (as in Graves disease) with an exophthalmometer

Question 5

Computed tomography (CT)

Answer 5

X-ray imaging of endocrine gland in cross section and other views, to assess size and infiltration by tumor

Question 6

Magnetic Resonance Imaging (MRI)

Answer 6

Magnetic waves produce images of the hypothalamus and pituitary gland to locate abnormalities.

Question 7

Thyroid scan

Answer 7

Scan detects radioactivity and visualizes the thyroid gland

Question 8

Ultrasound examination

Answer 8

Sound waves show images of endocrine organs