wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

AP2 Endo

Total questions: 83

Worksheet time: 42mins

Name
Class
Date
1.

Which mediator does not act as both a neurotransmitter and hormone?

a)

Norepinephrine

b)

Epinephrine

c)

Oxytocin

d)

Thyroxine

2.

Describe a type of mediator that is released throughout the brain and expressed by neurons.

a)

Neurotransmitter

b)

Hormone

c)

Melatonin

d)

Serotonin

3.

Hormone receptors are...

a)

Cellular proteins located both on the cell surface and inside the cell.

b)

Lipopolysaccharides located both on the cell surface and inside the cell.

c)

Cellular Phospholipids located both on the cell surface and inside the cell.

d)

Lipopolysaccharides proteins located on the cell surface.

4.

Receptor down regulation occurs when....

a)

too much hormone is present.

b)

not enough hormone present

c)

wrong hormone present

5.

Receptor-up regulation occurs when...

a)

Too much hormone present

b)

Not enough hormone present

c)

right hormone present

6.

What type of local hormone acts on the same cell that secreted it?

a)

Paracrines

b)

Epicrines

c)

Autocrines

d)

Americans

7.

What type of local hormone acts on neighboring cells

a)

Paracrine

b)

Autocrine

c)

American

d)

Holocrine

8.

Which hormones act more quickly?

a)

Local

b)

Circulating

9.

Amino Acid hormones in the amine group are made of a modification of single ...

a)

Tryptophan or tyrosine

b)

Glutamine or glutamate

c)

Alanine or glycine

d)

None of these are true

10.

Amino Acid Hormones are generally...

a)

Water soluble

b)

Lipid soluble

c)

Amphipathic

d)

Bound to a protein carrier in blood

11.

Water soluble hormones bind to receptors

a)

Inside the cell

b)

On the cell surface

c)

On free cholesterol molecules

d)

within the diaphragm

12.

Which list contains only amino acid hormones?

a)

T3, T4, Histamine, Calcitonin

b)

T3, T4, Histamine, Calcitriol

c)

Parathyroid hormone, Leptin, Cortisone, HGH

d)

Aldosterone, Estrogen, DHEA-sulfate, Cortisone

13.

Which binds to a receptor inside the cell?

a)

Calcitonin

b)

Calcitriol

c)

Parathyroid hormone

d)

Thyroxin

14.

Which of the following is binds to the thyroid hormones in blood?

a)

TBG

b)

TGB

c)

DIT

d)

MIT

15.

Which of the following is binds to the thyroid hormones in blood?

a)

TBG

b)

TGB

c)

DIT

d)

MIT

16.

Which of the following suffixes do not belong to the steroid hormones

a)

-One

b)

-gen

c)

-ol

d)

—nin

17.

Most steroid hormones are transported through the blood to target cells via...

a)

proteins made in the liver

b)

Proteins made in the thalamus

c)

they done need carriers

d)

They only act locally

18.

an example of a hormone used in a positive feedback system would be...

a)

Oxytocin

b)

Prolactin

c)

Insulin

d)

Thyroxin

19.

Which two effectors receive their input most directly from the hypothalamus?

a)

adenohypophysis/pars nervosa

b)

neurohypophysis/pars nervosa

c)

adenohypophysis/ pars tuberalis

d)

Zona glomerulosa/ pars intermedia

20.

What makes up the majority of the weight of the hypophysis?

a)

Pars distalis

b)

Pars nervosa

c)

Infundibular stalk

d)

Hypothalamus

21.

5 tropic hormones are released from the adenohypophysis. Which one acts on almost all tissues in the body rather than just another endocrine gland?

a)

HGH

b)

MSH

c)

LH/FSH

d)

TSH

e)

ACTH

22.

Somatotrophs produce...

a)

HGH

b)

MSH

c)

LH/FSH

d)

TSH

e)

ACTH

23.

Thyrotrophs produce...

a)

HGH

b)

MSH

c)

LH/FSH

d)

TSH

e)

ACTH

24.

Lactotrophs produce...

a)

PRL

b)

MSH

c)

LH/FSH

d)

TSH

e)

ACTH

25.

FSH is produced by

a)

Somatotrophs

b)

thyrotrophs

c)

Gonadotrophs

d)

Lactotrophs

e)

Corticotrophs

26.

LH is produced by

a)

Somatotrophs

b)

thyrotrophs

c)

Gonadotrophs

d)

Lactotrophs

e)

Corticotrophs

27.

ACTH is produced by

a)

Somatotrophs

b)

thyrotrophs

c)

Gonadotrophs

d)

Lactotrophs

e)

Corticotrophs

28.

MSH is produced by

a)

Somatotrophs

b)

thyrotrophs

c)

Gonadotrophs

d)

Lactotrophs

e)

Corticotrophs

29.

another name for HGH is

a)

somatotropin

b)

somatostatin

c)

somatotroph

30.

another name for GHIH is

a)

somatotropin

b)

somatostatin

c)

somatotroph

31.

Dopamine inhibits

a)

MSH

b)

PIH

c)

PRH

d)

ACTH

32.

What is the most abundant hormone secreted by the pars distalis usually secreted in bursts every few hours.

a)

somatotropin

b)

Dopamine

c)

Prolactin

d)

thyrotropin

33.

Somatotropin production increases...

a)

First thing in the morning

b)

as it starts to get dark outside

c)

during REM sleep

d)

during deep sleep

e)

when Insulin-like growth factor present

34.

IGF’s are also known as...

a)

Somatostatins

b)

Somatotrophs

c)

Somatomedins

d)

Somatotaxins

35.

Oddly, Insulin-like Growth Factors are very similar to glucagon in their actions. What is one aspect of IGF’s that is not mentioned as a role of Glucagon?

a)

Increases protein synthesis

b)

Enhances Lipolysis

c)

Increases Glycogenolysis

d)

Produced when hypoglycemic

e)

Increases blood glucose

36.

Production of this would be inhibited by hypoglycemia

a)

GHIH

b)

GHRH

c)

Glucagon

37.

A hormone secreted by stomach right before meals

a)

Ghrelin

b)

Estrogen

c)

Testosterone

d)

Insulin

e)

Glucagon

38.

What is a factor that inhibits hGH secretion

a)

somatotropin and somatostatin

b)

Deep sleep

c)

Hypoglycemia

d)

Low BMI

39.

ACTH controls the production of which hormone?

a)

Cortisol from the adrenal cortex

b)

Epinephrine from the adrenal medulla

c)

Norepinephrine from the adrenal medulla

d)

Oxytocin from the hypothalamus

40.

Ejection of milk is caused by...

a)

Oxytocin

b)

Proloactin

c)

FSH/LH

d)

Progesterone

e)

Estrogen

41.

If you have a lot of dopamine, you’re probably...

a)

not producing milk

b)

protecting your cell nucli from Sun rays.

c)

having uterine contractions

d)

releasing IGF’s

42.

Dopamine secretion is lowest when?

a)

just prior to menstruation when levels of estrogen and progesterone are low

b)

During childbirth when prolactin and oxytocin are high

c)

during ovulation when estrogen and progesterone are high

d)

During times of stress when cortisol production is elevated

43.

FSH and LH are stimulated to be produced in the pars distalis when which hormone is released by the hypo thalamus?

a)

GnRh

b)

GHIH

c)

GHRH

d)

Oxytocin

44.

Hormone that stimulates production of follicle and sperm and is inhibited by negative feedback from estrogen and testosterone.

a)

FSH

b)

LH

c)

PRL

d)

PIH

e)

PRH

45.

Hormone that stimulates ovulation, formation of corpus luteum, and therefore secretion of progesterone. Also triggers secretion of estrogen and testosterone.

a)

FSH

b)

LH

c)

PRL

d)

PIH

e)

PRH

46.

PIH inhibits...

a)

Production of MSH in the adenohypophysis

b)

production of MSH in the skin

c)

Production of Prolactin from the neurohypophysis

d)

Production of Prolactin from the hypothalamus

47.

Negative feedback from the Thyroid T3/T4 causes

a)

Changes in production of TRH

b)

Changes in production of ACTH

c)

Decreased T3/T4 production

d)

Decreased TSH production

48.

the posterior pituitary stores and releases which two hormones

a)

ADH, Vasopressin

b)

Vasopressin, Dopamine

c)

Vasopressin, Oxytocin

d)

ADH, Dopamine

49.

Drinking alcohol results in decreased production of ...

a)

Vasopressin resulting in dehydration

b)

Vasopressin resulting in hypotonicity of blood

c)

Oxytocin resulting in headaches and irritability

d)

Oxytocin resulting in hypotonicity of blood

50.

Osmoreceptors are a type of ...

a)

Chemoreceptor

b)

Baroreceptor

51.

What causes inhibition of ADH release due to changes in the blood affecting osmoreceptors in the hypothalamus

a)

Dehydration

b)

Hemorrhage

c)

Diarrhea

d)

Excessive sweating

e)

Blood hypotonicity

52.

Action of ADH on the kidneys causes...

a)

Water reabsorption

b)

Decreased sweating

c)

Arteriolar constriction

d)

Increased sweating

53.

Besides osmoreceptors, Vasopressin secretion can be altered by

a)

Morphine

b)

Tranquilizers

c)

Some anesthetics

d)

Nicotine

e)

All of the above

54.

In the blood, the lady is to T4 as the horse is to ...

a)

TGB

b)

TBG

c)

Tetraiodothyronine

d)

Triiodothyronine

55.

Thyroid hormone synthesis occurs in the thyroid in the presence of...

a)

Thyroxin

b)

TRH

c)

Calcitonin

d)

Thyrotropin

56.

Anything that causes an increase in cellular energy demand causes an _________in thyroid hormone production.

a)

Increase

b)

Decrease

57.

Which of the following would cause a an increase in cellular energy demand?

a)

Cold environment

b)

Hypoglycemia

c)

High altitude

d)

Pregnancy

e)

All of the above

58.

Lobes of the thyroid are connected by the ...

a)

Isthmus

b)

Follicle

c)

Parathyroid

d)

Infundibular stalk

59.

Some people have a third lobe of the thyroid called the...

a)

Pyramidal lobe

b)

Occipital lobe

c)

Thymal lobe

d)

Butterfly lobe

60.

Produces calcitonin

a)

Parafollicular cells

b)

Kidney

c)

Parathyroid Gland

d)

Follicles of the thyroid

61.

Inactive, more abundant, less potent thyroid hormone

a)

T4

b)

T3

c)

Thyroxine

d)

T4/Thyroxine

e)

T3/Thyroxine

62.

Active, less abundant, more potent thyroid hormone

a)

T4

b)

T3

c)

Thyroxine

d)

T4/Thyroxine

e)

T3/Thyroxine

63.

The only endocrine gland that stores its hormones in large quantities - 100 days worth

a)

Thyroid

b)

Parathyroid

c)

Pancreas

d)

Thymus

64.

In the presence of Thyrotropin, Follicular cells pull_________ into the cytosol._________ then ____________ this molecule to an active form,__________ .

a)

Iodide, perioxidase, oxidizes, iodine

b)

Iodine, perioxidase, oxidizes, iodide

c)

Iodide, lysosomes, oxidize, iodine

d)

Iodide, lysosomes, reduce, iodine

65.

TGB is produced in the endoplasmic reticulum, packaged by the golgi apparatus, and released by ________ into the _________

a)

exocytosis, lumen (colloid)

b)

Exocytosis, interstitial fluid

c)

pinocytosis, colloid

d)

Pinocytosis, interstitial fluid

66.

Once TGB and Iodine are in the colloid, they react at what site to form MIT and DIT. What portion of the TGB do Iodines bind to?

a)

Tyrosine

b)

Heavy band

c)

Tryptophan

d)

Light chain

67.

Once monoiodotyrosine’s and diiodotyrosines are formed, they combine to form...

a)

Thyroid hormones

b)

TGB

c)

TBG

68.

Colloid enters the cell via pinocytosis. Before T3/T4 can leave the follicular cell, _________ must digest the ________ allowing the T3/T4 to make its way to the blood.

a)

Lysosomes, TGB

b)

Lysosomes, TBG

c)

Peroxisomes, TGB

d)

Peroxisomes, TBG

69.

If dude is the active form of thyroid hormone, he is ...

a)

Triiodothyronine

b)

T4

c)

Thyroxine

d)

Thyrotropin

70.

Thyroid hormones increase BMR by...

a)

Stimulates synthesis of Sodium/Potassium Pumps

b)

Producing ATP

c)

Allowing calcium into the cell

d)

Activating calcium pumps in the sarcoplasmic reticulum.

71.

T3/T4 can enhance the actions of some catecholamines such as Epinephrine and Norepinephrine via...

a)

Up regulation of beta adrenergic receptors

b)

Down regulation of beta adrenergic receptors

c)

Up regulation of cholinergic receptors

d)

Down regulation of cholinergic receptors

72.

Production of calcitonin by parafollicular cells occurs when...

a)

Blood calcium is high

b)

Blood calcium is low

c)

PIH is present

d)

PIH is absent

73.

Calcitonin...

a)

Inhibits osteoclasts and resorption

b)

Inhibits osteoblasts and deposition

c)

Increases calcium absorption in the intestines

d)

Increases calcium reabsorption in the nephron

74.

Parathyroid gland creates a hormone that ...

a)

Inhibits osteoclasts and resorption

b)

Inhibits osteoblasts and deposition

c)

decreases calcium absorption in the intestines

d)

decreases calcium reabsorption in the nephron

75.

Principal cells (Chief cells) are the functional unit of the...

a)

Parathyroid gland

b)

Thyroid gland

c)

Thymus

d)

Pancreas

76.

Produces mineralcorticoids (aldosterone)

a)

Zona Glomerulus

b)

Zona Fasciculata

c)

Zona Reticularis

d)

Medulla

77.

Produces glucocorticoids (cortisol)

a)

Zona Glomerulus

b)

Zona Fasciculata

c)

Zona Reticularis

d)

Medulla

78.

Produces androgens (dihydrotestosterone)

a)

Zona Glomerulus

b)

Zona Fasciculata

c)

Zona Reticularis

d)

Medulla

79.

Glucocorticoids are effective in regaining homeostasis when

a)

Stressor is removed promptly

b)

Stressor remains for significant amount of time

80.

Which is the most potent androgen?

a)

DHEA (Dehydroepiandosterone)

b)

Androstenedione

c)

Dihydrotestosterone

d)

Testosterone

81.

Functional unit of the adrenal medulla

a)

Chromaffin cells supplied by splanchnic nerves

b)

Chromafin cells supplied by post ganglionic, sympathetic nerves

c)

Principle cells supplied by splanchnic nerves

d)

Principle cells supplied by post ganglionic, sympathetic nerves

82.

Chromaffin cells secrete catecholamines that intensify sympathetic responses throughout the body

a)

True

b)

False

83.

The function of the pancreas is primarily through the secretion of

a)

Endocrine hormones

b)

Exocrine enzymes

Similar Resources on Wayground

BIO 165 EXAM 3

80 questions

BIO 165 EXAM 3

quiz

Worksheet

•

University

Joints and Muscles

82 questions

Joints and Muscles

quiz

Worksheet

•

11th Grade - University

The Muscular System-Lecture

85 questions

The Muscular System-Lecture

quiz

Worksheet

•

University

Circulation & Gas Exchange

81 questions

Circulation & Gas Exchange

quiz

Worksheet

•

University

NYS Bio Regents Prep 2.0

79 questions

NYS Bio Regents Prep 2.0

quiz

Worksheet

•

10th Grade - University

Y8 Revision Quiz

78 questions

Y8 Revision Quiz

quiz

Worksheet

•

1st Grade - University

Bio 111 Exam 2 Review

81 questions

Bio 111 Exam 2 Review

quiz

Worksheet

•

University

Мікроба: англійські тести

78 questions

Мікроба: англійські тести

quiz

Worksheet

•

12th Grade - University