Overview of the Endocrine System

Question 1

Endocrine vs. Exocrine

Answer 1

ENDO is hormones secreted internally and EXO is secreted externally or into the lumen

Question 2

Palpable endocrine glands

Answer 2

Thyroid, Gonads

Question 3

Primary evaluation of the endocrine system is:

Answer 3

Measuring hormone concentrations

Question 4

Functions of hormones (3)

Answer 4

Growth, Maintenance of homeostasis, reproduction

Question 5

Presentation of Cushing Syndrome

Answer 5

Central fat redistribution, striae, proximal muscle weakness, hirsutism, elevated BP, increased BMI, “buffalo Hump”

Question 6

What is it? Lethargy, weakness, psychomotor retardation, cold intolerance, constipation, hair loss, dry skin, and weight gain

Answer 6

Presentation of hypothyroidism

Question 7

Appropriate screening for hypothyroidism

Answer 7

TSH, confirm free T4

Question 8

What is it? 24 y.o. M with extreme feeling of weakness, 20# weight loss, change in skin color (hyperpigmentation), lightheadedness and dizziness, BP=90/70, Na+ decreased, K+ increased, serum urea increased, calcium increased

Answer 8

Addison Disease

Question 9

What is it? 22 y.o. women with breast secretions, amenorrhea, and decreased libido, BP=140/80, no other symptoms or abnormalities

Answer 9

Hyperprolactinemia most likely from a benign (posterior) pituitary tumor