9.1/9.2 Kahoot - exam

Question 1

What is the purpose of Endocrine system?

Answer 1

Secretes hormones that signal other systems.

Question 2

examples of endocrine glands

Answer 2

• thymus
• hypothalamaus
• pineal gland

Question 3

To influence the activity of the target cell, hormones must _______?

Answer 3

bind to a receptor on the target cell

Question 4

lipid-soluble hormones…

Answer 4

include all steroid hormones

Question 5

Lipid soluble hormones act upon cells by

Answer 5

Going straight through the phospholipid cell membrane

Question 6

Why do lipid-soluble hormones act slowly?

Answer 6

Proteins need to be made

Question 7

water-soluble hormones include

Answer 7

all amino-acid based hormones (except thyroid hormone)

Question 8

Water-soluble hormones can or cannot cross the cell membrane

Answer 8

can not

Question 9

water-soluble hormones binds to

Answer 9

bind to receptors on plasma membrane; activate second messenger system

Question 10

What part of the brain regulates most hormone systems?

Answer 10

Hypothalamus

Question 11

What do tropic hormones do?

Answer 11

They stimulate the release of other hormones

Question 12

How are the endocrine and nervous systems similar?

Answer 12

Both systems respond to stimuli and maintain homeostasis

Question 13

Where is the pituitary gland located in the brain?

Answer 13

below the hypothalamus

Question 14

How is the anterior pituitary different from the posterior pituitary?

Answer 14

posterior pituitary does not produce hormones

Question 15

Where are hormones of the posterior pituitary gland produced?

Answer 15

Hypothalamus

Question 16

Which hormones do Anterior Pituitary produce?

Answer 16

• growth hormone
• ACTH
• Thyroid stimulating hormone

Question 17

Human growth hormone…

Answer 17

• principle effect is on the long bones
• promotes the cellular use of carbs, proteins and fats
• stimulates body cells to increase in size and divide

Question 18

On what organ does human growth hormone have tropic effects?

Answer 18

Liver - releases growth factors

Question 19

hypersecretion (increase) of growth hormone during childhood results in which of the following?

Answer 19

gigantism

Question 20

Hypersecretion (increase) of growth hormone during adulthood results in which of the following?

Answer 20

acromegaly

Question 21

Acromegaly’s hallmark symptoms include

Answer 21

enlarged jaw and hands

Question 22

Where is the thyroid gland found?

Answer 22

Neck

Question 23

What Hormones are secreted by the thyroid gland ?

Answer 23

T3 (Triiorothyronine ) and T4 (Thyroxine)

Question 24

What element is required for thyroid hormone production?

Answer 24

iodine

Question 25

What controls the function of the thyroid gland?

Answer 25

Pituitary gland via Thyroid stimulating hormone

Question 26

How is the release of thyroid hormones regulated?

Answer 26

negative feedback loop to pituitary & hypothalamus

Question 27

What does thyroid hormone cause stimulated tissues to do?

Answer 27

increase cellular respiration

Question 28

What is hypothyroidism

Answer 28

an underactive thyroid that does not secrete as much as it should

Question 29

symptom of hypothyroidism?

Answer 29

decreased hair growth fatigue weight gain

Question 30

What is a goiter?

Answer 30

enlargement of the thryoid

Question 31

What is hyperthyroidism?

Answer 31

an increase in thyroid hormone production

Question 32

symptom of hyperthyroidism

Answer 32

- increased sweaating - weight loss - incerased heart rate]

Question 33

What is the cause of Graves' disease?

Answer 33

thyroid-stimulating antibodies

Question 34

Where are the parathyroid glands found:

Answer 34

On the thyroid gland

Question 35

What is the function of the parathyroid glands?

Answer 35

maintain homeostasis of blood calcium concentrations

Question 36

What is the function of calcium in the body?

Answer 36

Makes bones strong, nerve and muscle functioning

Question 37

What hormone does the Parathyroid Gland secretes.

Answer 37

Parathyroid hormone

Question 38

What is the stimulus that causes the parathyroid gland to secretes parathyroid hormone?

Answer 38

decreased blood calcium

Question 39

If calcium levels are too high...

Answer 39

Thyroid releases calcitonin

Question 40

What body tissue does the parathyroid hormone act on?

Answer 40

bones

Question 41

What does parathyroid hormone cause bones to do?

Answer 41

degrade the bone matrix to release Ca2+ into blood

Question 42

mechanism of action of parathyroid hormone?

Answer 42

- stimulate bone cells to release calcium from the bone - increase kidney reabsorption of calcium - increase intestinal absorption of calcium

Question 43

What hormone is antagonistic to the parathyroid hormone?

Answer 43

Calcitonin

Question 44

What gland releases Calcitonin ?

Answer 44

Thyroid gland

Question 45

What does calcitonin cause bones to do?

Answer 45

build up the bone matrix to remove Ca2+ from blood

Question 46

What vitamin is involved in stimulating the absorption of ingested calcium

Answer 46

vitamin D