Practice quiz on ENDOCRINE SYSTEM lec

1. Endocrine glands uses chemical messengers that are released into the blood This chemical is called
Your Answer: ✔ Correct
HORMONE

2. Which statement is NOT true about hormones?

Your Answer: ✔ Correct

a) all cells of the body produce hormone to communicate to target cells.

b) Cells secrete hormones into extracellular fluids
c) Blood transfers hormones to target sites
d) hormones regulate the activity of other cells

3. This gland stores and secretes the hormones produced by hypothalamus.

Your Answer: ✔ Correct

a) Anterior pitiutary gland

b) Posterior pituitary gland

c) adrenal gland

d) pineal gland

4. Which hormones are stored in the posterior pituitary gland? SATA

Your Answer: ✔ Correct
a) Anti diuretic hormone
b) Oxytocin
c) Gonadotropic hormone
d) Lactogenic Hormone

5. When hormones reaches its target cell, which of the following events will happen to the target cell? SATA
Your Answer: ✓ Correct

a) Changes in plasma membrane permeability or electrical state

b) stops synthesis of proteins, such as enzymes

c) Activation or inactivation of enzymes

d) Stimulation of cell division

e) Promotion of secretory activity

6. Hormones affect only certain tissues or organs (target cells or target organs). Target cells must have

Your Answer: ✓ Correct

a) specific lipid receptors

b) specific steroid receptors

c) specific target receptors

d) specific protein receptors

7. When hormone does not enter the cell and uses enzyme to affect target cell this mechanism of action is
called?

Your Answer: ✓ Correct

a) Direct Gene Activation

b) Steroid Hormone Action
c) Second-Messenger System
 d) specific protein Activation

8. The following statements bellow are true about the control of the release of horme EXCEPT:
Your Answer: ✓ Correct

a) Hormone levels in the blood are mostly maintained by negative feedback

b) A stimulus or low hormone levels in the blood triggers the release of more hormone
c) Hormone release stops once an appropriate level in the blood is reached
d) high hormone levels in the blood triggers the release of more hormone

9. When the follicle stimulating hormone(FSH) stimulates ovaries to 1/1 point produce estrogen to mature the
ovum, what kind of stimulus is FSH?

Your Answer: ✔ Correct

@Hormonal Stimuli

ONeural Stimuli

Exercise Quiz: Blood and Lymph

9.

10. Stimulation af adrenal medula to release catecholamines is through:

Your Answer: ✔ Correct

OHormonal Stimuli

Neural Stimuli

1/1 point

11. What facial bone protects the master endocrine gland?

Your Answer: ✔ Correct

@sphenoid bone
11. What facial bone protects the master endocrine gland?

Your Answer: ✓ Correct

sphenoid bone

Oethmoid bone

Ozygomatic bone

Ofrontal bone

1/1 point

12. Which of the following is not an anterior pituitry gland secretion?

Your Answer: ✓ Correct

OTSH

vasopressin
Oprolactin
OGH

1/1 point

13. Which are the tropic hormones produced and secreted by anterior 1/1 point

pitiutary gland? SATA

Your Answer: ✔ Correct

Thyroid-stimulating hormone

Adrenocorticotropic hormone

gonadotropic hormones

Growth hormone
Prolactin

14. All statements bellow are true about hormones of the pituitary

gland EXCEPT

Your Answer: ✔ Correct

OThey are proteins (or peptides)

Act through direct gene activation,

ORegulated by hormonal stimuli, mostly negative feedback

ONonsteroid Hormone Action

1/1 point

15. During adulthood hold your body struture reaches your final body 1/1 point size. Your final body size is
determine by what hormone? Single word answer and do not include the word hormone to your answer.

Your Answer: ✔ Correct GROWTH

16. After the mother bear a child, there is enlargement of the breast due to increase production of milk by the
mammary gland. This is caused by which hormone? Single wordanswer and do not include the word
Answer: PROLACTIN
17. These hormones helps egg cell and sperm cell mature in ovaries and testes respectively.

Your Answer: ✓ Correct

Follicle-stimulating hormone (FSH)

OLuteinizing hormone (LH)

OAdrenocorticotropic hormone (ACTH)

OThyroid-stimulating hormone (TSH)

18. After the egg cell mature in the ovary, they will now get out from the ovary(ovulation) This process is
triggered by

Your Answer: ✔ Correct

Follicle-stimulating hormone (FSH)

Luteinizing hormone (LH)

Adrenocorticotropic hormone (ACTH)

OThyroid-stimulating hormone (TSH)

7 Exercise Quiz: Blood and lympha X

1/1 point

19. Oxytocin and antidiuretic hormone are produced by the hypothallamus These hormones are transported to
what cells of the posterior pituitary? single word answer and do not write the word cell to your answer

Your Answer: ✓ Correct NEUROSECRETORY

1/1 point

20. What hormone causes the milk to come out from the mothers breast when nursing a child?single word
answer and do not write the word hormonel to your answer

Your Answer:

OXYTOCIN
21. During labor(before and during delvory of the baby and placenta) 1/1 point the uterus is kept on contracting
to expol the fetus and placenta. This event is caused by what hormone? single word answer and do not write
the word hormonel to your answer.

Your Answer: ✔ Correct OXYTOCIN

1/1 point

22. If your body is dehydrated or your blood pressure is down What horme will stop your kidney to produce
urine by absorbing water in your kidney at the renal tubules increasing blood volume and also can cause
vasoconstriction that would increase blood presure

Your Answer: Correct

vasopressin

aldosterone

Ocalcitonin

Oepinephrine

Exercise Quiz: Blood and Lympha x

23. If growth hormone is called the general metabolic hormone, which 1/1 point hormone is called major
metabolic hormones? single word answer and do not add hormone to your answer.

Your Answer: ✓ Correct THYROID

24. What are active iodine-containing hormones?SATA

Your Answer: ✔ Correct

Thyroxine

Othymusin

Omelatonine

Triiodothyronine

25. The hypothalamus is so important because it:

Your Answer: ✔ Correct

Helps control the function of many other glands

OProduces all the hormones in the body Controls all nerve function in the body

OControls all sex hormones in the body

26. If calcium in the blood is high

its deposition on bone

Your Answer: ✔ Correct CALCITONIN

hormone will cause

1/1 point

1/1 point

27. If calcium in the blood is low. stimulate osteoblast to remove calcium from the bone and bring it to the blood
to increase blood calcium level

hormone will

Your Answer: ✔ Correct CALCITONIN

28.

What is the triangular shaped gland that sits on top of the kidney? single word answer do not add gland to your
answer.

Your Answer: ✓ Correct

ADRENAL

29. The following statements are true about mineralocorticoids

EXCEPT

Your Answer: ✔ Correct

OProduction inhibited by atrial natriuretic peptide (ANP) OProduction stimulated by renin and aldosterone

Target organ is the pancreas

ORegulate water and electrolyte balance

ORegulate mineral content in blood

Produced in outer adrenal cortex

30. From the the start of the online class we are challanged by many 1/1 point activities and thsese activities
have been long stressor for us. What hormone helps us to cope with this new environmental condition?

Your Answer: ✔ Correct

OGlucocorticoids

Oaldosterone

@Mineralocorticoids

Ocatecholamines

31. Which statements are true about catecholamine? SATA

Your Answer: ✔ Correct

Othey are produced in the adre nal cortex they are the Epinephrine (adrenaline) and Norepinephrine

(noradrenaline) prepare the body to deal with short-term stress ('fight or flight)

Odecreas heart rate, blood pressure, blood glucose levels Dilating small passageways of lungs
dilating small passageways of lungs
32. What is the hormone secreted by the beta cell of the pacreatic islet that stimulate uptake of glucose by the
cell reducing the bloosd glucose level?

Your Answer: ✓ Correct INSULIN

33. What is the hormone secreted by the alpha cells of the pacreatic islet that allows glucose to enter the blood
there by increasing blood glucose level?

Your Answer: ✔ Correct GLUCAGON

34. What endocrine gland that is found on the third ventricle of the brain and secretes melatonin?
34. What endocrine gland that is found on the third ventricle of the brain and secretes melatonin?

Your Answer: ✓ Correct

@pineal

Ohypotalamus

Oanterior pituitary

Oposterior pituitary

1/1

35. What is the hormone secreted by the thymus gland that develops T-lymphocytes to become
immunocompetent?

Your Answer: ✔ Correct THYMOSIN

36. What hormone stimulates the development of secondary female

characteristics and mature female reproductive organs?

Your Answer: ✓ Correct ESTROGEN

37. Progesterone and estrogens promote breast development and regulate menstrual cycle

Your Answer: ✓ Correct

True

OFalse

1/

1/1

38. When the egg cell and sperm cell meets and become embryo. What hormone will prepare the uterus for
implantation?

Your Answer: ✓ Correct

@progesterone

Oestrogen

Oandrogen
Ooxytocin

T Exercise Quiz: Blood and Lympha

1/1 poin

39. What is the most important androgen and responsible for adult

male secondary sex characteristics?

Your Answer: ✔ Correct

Oprogesterone

Destrogen

Osemen

testosterone

40. Whic of the following hormones does the placenta produce?

SATA

Your Answer: ✔ Correct

progesterone

estrogen

human chorionic gonadotropin (hCG)

testoseterono

androgen