Endocrine System

Question 1

Hormonal Stimuli

Answer 1

Glands are encouraged by hormones secreted by other glands

Question 2

Which hormone acts in opposition to calcitonin?

Answer 2

parathyroid hormone (PTH)

Question 3

Glucagon

Answer 3

Raises blood glucose levels

Question 4

Most of the hormones secreted by the pituitary are produced in the ___________.

Answer 4

anterior pituitary

Question 5

Antidiuretic

Answer 5

increases water retention in kidneys

Question 6

Progesterone

Answer 6

Controls menstrual cycle

Question 7

A tumor in the adrenal medulla causes extra epinephrine and norepinephrine to be secreted into the blood. This is called _______________.

Answer 7

hypersecretion

Question 8

Melatonin

Answer 8

causes sleep/ wake cycle

Question 9

Growth Hormone

Answer 9

Stimulates growth in bones & muscles

Question 10

Neural Stimuli

Answer 10

Nerve impulses cause glands to secrete hormones

Question 11

Epinepherine

Answer 11

helps regulate fight or flight response

Question 12

Calcitonin

Answer 12

Reduces the calcium levels in blood

Question 13

Oxytocin

Answer 13

Stimulates uterine contraction during child birth

Question 14

Melanocyte

Answer 14

Stimulates melanin production

Question 15

When the ____ gland malfunctions due to ____ deficiency, it can cause a goiter.

Answer 15

thyroid, iodine

Question 16

Which gland controls the pituitary gland and regulated things like body temperature and sleep?

Answer 16

hypothalamus

Question 17

Which is true about the difference between lipid-soluble hormones and water-soluble hormones?

Answer 17

Lipid-soluble hormones are able to directly enter a cell, but water-soluble hormones require a second messenger molecule.

Question 18

Why do hormones not affect all cells they encounter throughout the body?

Answer 18

Target cells- Hormones are released in small quantities and are very specific. Target cells have receptors for specific hormones. If the hormones contact cells without these target cells, they will have no effect.

Question 19

Luteinizing Hormone

Answer 19

Stimulates release of sex hormones

Question 20

A tumor in the adrenal medulla causes not enough epinephrine and norepinephrine to be secreted into the blood. This is called _______________.

Answer 20

hyposecretion

Question 21

Parathyroid Hormone

Answer 21

Brings calcium out of bones into bloodstream

Question 22

Humoral Stimuli

Answer 22

Levels of nutrients and ions in the blood can cause glands to secrete hormones

Question 23

Although both the nervous and endocrine systems are able to control the body, the endocrine system uses ___________ to produce a response, which are _________ than nervous system control.

Answer 23

hormones, slower

Question 24

Which gland supports the immune system?

Answer 24

thymus

Question 25

Which gland is often known as the “master gland” because it has wide-reaching effects on the whole body?

Answer 25

pituitary

Question 26

Follicle stimulating hormone

Answer 26

Stimulates egg/sperm production

Question 27

Where would you expect to find the islets of Langerhans and what do they produce?

Answer 27

Pancreas; insulin & glucagon

Question 28

What are the two layers of the adrenal glands?

Answer 28

Medulla and cortex

Question 29

What gland is located near the sternum?

Answer 29

thymus