Endocrine System Quiz

Question 1

Protein hormones are

Answer 1

water -soluble

Question 2

Production of growth hormone _________________________ with age.

Answer 2

decreased

Question 3

Which hormone has the greatest effect on metabolism ?

Answer 3

Thyroxine

Question 4

If ______ is lacking in the diet, the thyroid gland enlarges, producing a goiter.

Answer 4

iodine

Question 5

The endocrine system is quicker than the nervous system

Answer 5

False

Question 6

All of the following hormones increase blood sugar level , except one

Answer 6

insulin

Question 7

Where are the posterior pituitary hormones manufactured?

Answer 7

In the hypothalamus

Question 8

Hormones produced by the anterior pituitary that have a direct effect on the body, rather than trigger another gland, are __________.

Answer 8

GH, prolactin, and MSH

Question 9

Low calcium level in blood ____________________________production of parathyroid hormone.

Answer 9

increases

Question 10

Compared to the nervous system, the endocrine system has

Answer 10

more widespread and long lasting effect

Question 11

If you were to eat four sugar glaze doughnuts and a large pepsi, which hormone would you expect to be secreted at higher levels:

Answer 11

insulin

Question 12

Which of these is not a method the body uses to regulate release of hormones?

Answer 12

degradation of the endocrine gland

Question 13

High glucose level in blood ____________________production of glucagon.

Answer 13

decreases

Question 14

Low blood glucose level typically results in the secretion of all of the following EXCEPT:

Answer 14

insulin

Question 15

Choose the statement about steroid hormones that is incorrect.

Answer 15

.Steroids employ first and second messengers that amplify the cellular response.

Question 16

The receptors for non-steroid peptide hormones are on the ______.

Answer 16

plasma membrane

Question 17

Non-steroid peptide hormones enter the cell.

Answer 17

False

Question 18

The pancreas has both exocrine and endocrine tissue

Answer 18

True

Question 19

Which of these is not endocrine property?

Answer 19

rapid acting effects

Question 20

The pancreatic cells that secrete insulin are the:

Answer 20

Beta cells of islets of Langerhans

Question 21

High oxygen supply to the brain ________________________ production of erythopoietin.

Answer 21

does not affect

Question 22

The adrenal gland consists of _______________

Answer 22

the inner medulla and the outer cortex

Question 23

The endocrine gland responsible for the body’s circadian rhythm is the ______________ gland

Answer 23

pineal gland

Question 24

Jane lives in Appalachia and suffers from hypothyroidism ( low T3 and T4). Her thyroid gland is enlarged, her body temperature is low, and her heart rate is very low. Blood test shows very little iodine in blood and very low T3 and T4.

Choose correct statement that explains why her thyroid gland was enlarged.

Answer 24

because high level of TSH triggered excessive growth of thyroid gland.

Question 25

because high level of TSH triggered excessive growth of thyroid gland.

Answer 25

increases

Question 26

Jane lives in Appalachia and suffers from hypothyroidism ( low T3 and T4). Her thyroid gland is enlarged, her body temperature is low, and her heart rate is very low. Blood test shows very little iodine in blood and very low T3 and T4. What would be her TSH level and why?

Answer 26

Her TSH would be high because lack of iodine leads to decrease of T3 and T4 in plasma

Question 27

Hormones produced by thyroid galnd are responsible for regulating metabolic rate and calcium and phosphate ion concentration in the blood. Which thyroid hormone lowers calcium and phosphate ion concentration in the blood?

Answer 27

Calcitonin

Question 28

Growth Hormone promotes

Answer 28

cell division protein synthesis bone growth

Question 29

Which hormone has the greatest influence on the ability to secrete milk?

Answer 29

prolactin

Question 30

Aldosterone regulates the blood sodium and potassium levels

Answer 30

True

Question 31

Which hormone directly affects blood pressure?

Answer 31

ADH Vasopressin

Question 32

Match the hormone with a gland/organ that produces it: Growth hormone

Answer 32

Adenohypophysis

Question 33

Match the hormone with a gland/organ that produces it: T3 & T4

Answer 33

Thyroid gland

Question 34

Match the hormone with a gland/organ that produces it: Parathyroid hormone

Answer 34

Parathyroid gland

Question 35

Match the hormone with a gland/organ that produces it: Aldosterone

Answer 35

Zona glomeruloza of the adrenal cortex

Question 36

Match the hormone with a gland/organ that produces it: Cortisol

Answer 36

Zona fasciculata of the adrenal cortex

Question 37

Match the hormone with a gland/organ that produces it: Calcitriol

Answer 37

Kidney

Question 38

Match the hormone with a gland/organ that produces it: Insulin

Answer 38

Beta cells of islets of Langerhance

Question 39

Match the hormone with a gland/organ that produces it: Glucagon

Answer 39

Alpha cells of islets of langerhance

Question 40

Match the hormone with a gland/organ that produces it: Antidiuretic hormone

Answer 40

Hypothalamus

Question 41

Match the hormone with a gland/organ that produces it: Atrial Natriuretic Peptide

Answer 41

Heart

Question 42

Match the hormone with a gland/organ that produces it: Thyroid Stimulating Hormone

Answer 42

Adenohypophysis

Question 43

Match the hormone with a gland/organ that produces it: Erythropoietin

Answer 43

Kidney

Question 44

Match the hormone with a gland/organ that produces it: Calcitonin

Answer 44

Thyroid gland

Question 45

Angiotensin II ___________________production of aldosterone

Answer 45

increases

Question 46

The endocrine system:

Answer 46

releases chemicals into the bloodstream for distribution throughout the body releases hormones that alter the metabolic activities of many different tissues and organs can alter gene activity of cells produces effects that can last for hours, days, or even longers

Question 47

Parathyroid hormone release depends on blood levels of calcium. Such an endocrine reflex is said to be initiated by

Answer 47

humoral stimulation

Question 48

Endocrine glands secrete hormones into the bloodstream for transport to target organs.

Answer 48

True

Question 49

This hormone acts on the intestines and causes increased calcium absorption

Answer 49

calcitriol

Question 50

All of the following statements are true about Thyroid hormones -T3 and T4, except one

Answer 50

Thyroid hormone is a water- soluble protein and affects metabolism of the cell through membrane receptor

Question 51

The pancreatic cells that secrete glucagon are the

Answer 51

Alpha cells of islets of Langerhans

Question 52

Vasopressin is the same hormone as

Answer 52

antidiuretic hormone

Question 53

Thyroid stimulating hormone (TSH) causes all of the following EXCEPT

Answer 53

activation of thyroid follicular cells increased iodide trapping in thyroid follicles increased thyroglobulin synthesis increased release of T3/ T4

Question 54

All of the following are effects of insulin, except:

Answer 54

stimulates lipolysis

Question 55

Low blood flow to the kidney ____________________production of calcitonin.

Answer 55

does not affect

Question 56

Steroid hormones do NOT bind to plasma membrane receptors.

Answer 56

True

Question 57

ACTH controls secretion of ______________

Answer 57

cortisol

Question 58

Production of growth hormone ________________at night

Answer 58

increases

Question 59

Physical and emotional stress _________________________production of cortisol.

Answer 59

increases

Question 60

What is the function of the mineralocorticoids secreted by the adrenal gland?

Answer 60

Provides reabsorption of sodium in the kidney by stimulating Na/K pump, increasing reabsorption of water by the kidney

Question 61

Insulin functions to ___________________

Answer 61

promote the storage of nutrients lower the blood glucose level by stimulating liver, fat and muscle cells to metabolize glucose stimulate uptake of glucose by cells

Question 62

Production of cortisol _______________in the morning.

Answer 62

Increases