Homeostasis And Endocrine System

Question 1

What is normal blood Ph and body temp?

Answer 1

7.4

37 deg C

Question 2

Are steroid hormones protein based ?

Answer 2

No, they are cholesterol based and therefore hydrophobic

Question 3

Which type of hormone binds to cytoplasmic receptors and which binds to cell surface receptors?

Answer 3

Cytoplasmic = steroid

Cell surface = amino acid based

Question 4

Why can a steroid based hormone pass through the phospholipid by layer?

Answer 4

Because it’s hydrophobic

Question 5

What is the difference between hormonal and humoral control?

Answer 5

Hormonal via hypothalamus

Humoral via parathyroid

Question 6

Which cell receptors do amino acid based hormones bind to ?

Answer 6

Cell surface receptors

Question 7

Which receptors do steroid hormones bind to?

Answer 7

Cytoplasmic receptors

Question 8

What does glucagon do?

Answer 8

Causers liver to convert glycogen to glucose to increase blood sugar levels

Question 9

How many major hormones does the anterior pituitary release ?

Answer 9

6

Question 10

What tissue is the posterior pituitary comprised of ? And how many major hormones does it secrete

Answer 10

Neural

2

Question 11

Name the 6 major hormones of the anterior pituitary gland

Answer 11

Thyroid stimulating hormone 
Adrenocoryicotropic hormone 
Growth hormone 
Prolactin
Follicle stimulating hormone 
Luteinising hormone

Question 12

What 2 hormones does the Posterior pituitary gland secrete

Answer 12

Antidiuretic hormone (reduce water loss from kidneys)

Is inhibited from alcohol

Oxytocin : milk ejection & muscular contraction of uterus

Question 13

What 2 hormones does the thyroid secrete?

Answer 13

Thyroid hormones T3 and T4

Calcitonin : reduces ca++ content

Question 14

What hormones is secreted from parathyroid ?

Answer 14

Parathyroid hormone

Which will increase blood calcium

Question 15

What 2 hormones does the adrenal medulla secrete ?

Answer 15

Epi & norepinephrine (adrenal)

Question 16

What hormones does the adrenal cortex secretes ?

Answer 16

Glucocorticoids
Aldosterone
Androgens

Question 17

Which cells secrete glucagon and which secrete insulin

Answer 17

A = glucAgon
B= insulin

Question 18

What can overproduction of the thyroid gland lead to?

And underproduction?

Answer 18

Graves’ disease (high metabolic rate and temp)

Cretinism (the opposite to high)

Question 19

Which of the diabetes type is insulin resistant?

Answer 19

Type 2

Question 20

Prolactin function

Answer 20

Initiates milk production

Question 21

Follicle stimulating hormone (FSH)

Answer 21

Oestrogen and testosterone

FSH - for sex hormone

Question 22

Luteinising hormone function

Answer 22

Ovulation hormone

Testosterone for men

Question 23

Oxytocin function

Answer 23

Muscular contraction of uterus and milk production.

Question 24

Where in the adrenal glands is the Adrenalin hormone secreted

Answer 24

Adrenal medulla