Strand 2, Chapter 1

Question 1

Hormone

Answer 1

An organic chemical substance, usually a protein but sometimes a steroid, secreted by an endocrine gland and carried in the blood stream to its target organ/s where it regulates metabolic reactions

Question 2

Endocrine gland

Answer 2

A vascular, ductless gland that secretes hormones which are carried in the bloodstream to their target organs

Question 3

Exocrine gland

Answer 3

The secretions are carried in ducts to where they are needed

Question 4

Hypersecretion

Answer 4

Over secretion of a hormone

Question 5

Hyposecretion

Answer 5

Under secretion of a hormone

Question 6

Gigantism

Answer 6

Hypersecretion of growth hormone in prepubertal children that results in overdevelopement of the skeleton

Question 7

Pituitary dwarfism

Answer 7

Hyposecretion of growth hormone in prepubertal children that results in underdevelopment of the skeleton

Question 8

Acromegaly

Answer 8

Hypersecretion of growth hormone in adults

Question 9

Hypothyroidism

Answer 9

Producing too little thyroxin

Question 10

Myxoedema

Answer 10

Hypothyroidism in adults

Question 11

Cretinism

Answer 11

Hypothyroidism in children

Question 12

Hyperthyroidism

Answer 12

Producing too much thyroxin

Question 13

Homeostasis

Answer 13

The process of maintaining the internal environment in a constant optimal state, despite changes in the external environment