91400 HAP week 1 Endocrine System quiz PDF

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Endocrine system...

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Human Anatomy and Physiology

Week 1: Endocrine

1. What is the common feature of organs in the endocrine system? 2. Label the endocrine organs on the diagram below :

3. What is the difference between positive and negative feedback? Give an example of each.

Hypothalamus and pituitary: 4. How many segments is the pituitary gland divided into? What are they called? 5. What is the name of the ‘stalk’ that connects the hypothalamus and pituitary gland? 6. Explain what is going on in this diagram (use labels/ brief descriptions) :

7. Complete the table: Anterior pituitary

Posterior pituitary

Scientific name Type of tissue 8. Does the posterior pituitary produce any hormones of its own? If not, what is its function?

9. Complete the table for the 6 anterior pituitary hormones: Hormone

Follicle stimulating hormone

Abb.

Target organ/effects

TSH

Stimulates secretion of thyroid hormone which increases metabolic rate, appetite, resp. rate, heart rate

FSH

LH

Adrenocorticotropic hormone

Inhibited by

/

GnRH

/

GnRH

/

Stimulates adrenal cortex to secrete glucocorticoids PRL

Growth hormone

Stimulates ovulation, stimulates secretion of progesterone and testosterone

Stimulated by

Stimulates mammary glands to produce milk

GH

/

PRF

GHRH

10. Which two of the anterior pituitary hormones are known as the gonadotropin hormones?

11. A person with acromegaly likely has too much of which hormone?

Thyroid and parathyroid: 12. What are the two main hormones produced by the thyroid gland?

13. A patient with an endemic goiter likely has a deficiency of what substance? 14. What hormone is produced by the parathyroid glands?

Adrenal gland: 15. Fill in the table of the layers of the adrenal cortex:

Name

Secretes

Outer layer

Middle layer

Inner layer

16. A person with Cushing’s syndrome has an overproduction of ______________ Pancreas: 17. True or false: the majority of pancreatic cells produce hormones that regulate blood glucose levels 18. Match the pancreatic cells to the hormones they release

Alpha cells

Pancreatic polypeptide

Beta cells

Somatostatin

Delta cells

Gastrin

G cells

Insulin

F cells

Glucagon

19. How is up-regulation achieved in a target cell?...