Endocrine System Test

Question 1

When a person sweats and does not drink water, the pituitary gland releases ADH.

Answer 1

True

Question 2

People with diabetes feel tired because of low levels of glucose in the blood

Answer 2

False; low levels of insulin

Question 3

Low levels of thyroxine in the blood is the only reason for weight gain.

Answer 3

False; it’s one of the reasons

Question 4

Calcitonin and parathyroid hormone regulate calcium levels in the blood

Answer 4

True

Question 5

Large levels of testosterone in the blood deactivate the hypothalamus, which in turn stops the production of luteinizing hormone (LH).

Answer 5

True

Question 6

As follicles develop in the ovary, estrogen concentration in the blood decreases.

Answer 6

False; increases

Question 7

A family doctor has a patient with the following symptoms; very high blood sugar levels; high sugar level in the urine; is very thirsty; produces large quantities of urine. Which condition should the doctor investigate?

Answer 7

Diabetes mellitus

Question 8

The term used to describe that ability of a living organism to adjust to changing environmental conditions by regulating their internal processes is

Answer 8

Homeostasis

Question 9

Which of the following statements about hormones is incorrect?

Answer 9

They are used to communicate between different individuals.

Question 10

Steroid hormones exert their effect by…

Answer 10

a direct effect in the nucleus of the cell

Question 11

Which of the following endocrine glands is a direct extension of the nervous system?

Answer 11

Posterior pituitary gland

Question 12

The adrenal medulla secretes which of the following

Answer 12

epinephrine

Question 13

In an emergency siruation

Answer 13

glycogen is converted to glucose

Question 14

Anabolic steroids taken by an athlete will often cause which of the following?

Answer 14

facial hair growth in females, swollen feets and ankles, breast development in males
(all of the above)

Question 15

Progesterone is produced primarily in which of the following?

Answer 15

Corpus Luteum

Question 16

During the female reproductive cycle, LH peaks when which of these occurs?

Answer 16

Ovulation occurs

Question 17

At puberty, which of the following occurs?

Answer 17

The hypothalamus begins secreting GnRH

Question 18

Menstruation starts by which one of the following?

Answer 18

Lack of estrogen and progesterone due to degeneration of the corpus luteum

Question 19

the growing follicle secretes which of the following hormone?

Answer 19

estrogen

Question 20

As the environment changes, our bodies use the nervous and endocrine systems to compensate by a mechanism called ______

Answer 20

homeostasis

Question 21

Hormones attach to specific cells by their ______

Answer 21

receptors

Question 22

________ hormones attach to receptors within the cytoplasm

Answer 22

steroid

Question 23

______ hormones attach to receptors on the cell membrane

Answer 23

protein

Question 24

____________ is a condition where blood sugar level rises because of inadequate production of insulin after meals

Answer 24

Hyperglycemia

Question 25

__________ Have muscle-building traits. They are used by weight lifters because of these traits.

Answer 25

anabolic steroids