Endocrine System

Question 1

Endocrine Glands

Answer 1

• Have NO ducts

* Pituitary, thyroid, parathyroid, adrenals, pancreas, ovaries/testes

Question 2

Exocrine Glands

Answer 2

• HAVE ducts

* Sweat,tear, salivary glands, liver

Question 3

Hormone

Answer 3

A chemical produced by an endocrine gland
And transported n the bloodstream
To act in another part of the body

Question 4

Why is the Pancreas a dual-function

Answer 4

Hormone (insulin) secretion & non-hormone (enzyme) secretions

Question 5

What is the chemical nature of many hormones?

Answer 5

Protein

Question 6

Insulin

Answer 6

Secreted in the pancreas

Causes glucose to be removed from the blood

Question 7

Thyroxine

Answer 7

Secreted by thyroid

Controls metabolism

Question 8

Human Growth Hormone

Answer 8

Secreted by the pituitary gland

Elongated bones in the skeleton

Question 9

Parathormone

Answer 9

Secreted by the parathyroid

Controls the release of calcium from bones

Question 10

Adrenalin

Answer 10

Adrenal

Allows for response to stress

Question 11

Symptom of Hyperthyroidism

Answer 11

Goitre

Question 12

HYPERTHYROIDISM

Answer 12

Over-active thyroid
SYMPTOMS: Loss of weight
TREATMENT: Kill part of thyroid

Question 13

HYPOTHYROIDISM

Answer 13

Under-active thyroid
SYMPTOMS: Weight gain, goitre
TREATMENT: Tablets of thyroxine

Question 14

Feedback

Answer 14

When the level of a hormone controls the production of another hormone

Question 15

Negative Feeback

Answer 15

• Thyroxine levels correct, TSH not produced

* No more thyroxine produced