Endocrine System Test Flashcards Preview

Grade 12 Biology > Endocrine System Test > Flashcards

Flashcards in Endocrine System Test Deck (25)
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1

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

True

2

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

False; low levels of insulin

3

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

False; it's one of the reasons

4

Calcitonin and parathyroid hormone regulate calcium levels in the blood

True

5

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

True

6

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

False; increases

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?

Diabetes mellitus

8

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

Homeostasis

9

Which of the following statements about hormones is incorrect?

They are used to communicate between different individuals.

10

Steroid hormones exert their effect by...

a direct effect in the nucleus of the cell

11

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

Posterior pituitary gland

12

The adrenal medulla secretes which of the following

epinephrine

13

In an emergency siruation

glycogen is converted to glucose

14

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

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

15

Progesterone is produced primarily in which of the following?

Corpus Luteum

16

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

Ovulation occurs

17

At puberty, which of the following occurs?

The hypothalamus begins secreting GnRH

18

Menstruation starts by which one of the following?

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

19

the growing follicle secretes which of the following hormone?

estrogen

20

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

homeostasis

21

Hormones attach to specific cells by their ______

receptors

22

________ hormones attach to receptors within the cytoplasm

steroid

23

______ hormones attach to receptors on the cell membrane

protein

24

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

Hyperglycemia

25

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

anabolic steroids