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Endocrine System (Y1)

Total questions: 38

Worksheet time: 23mins

Name
Class
Date
1.

Which gland secretes the hormone Melatonin

a)

Pituitary Gland

b)

Pineal Gland

c)

Hypothalamus

d)

Thyroid Gland

2.

What hormones are secreted from the posterior pituitary gland?

a)

ACtH

b)

ADH (Vasopressin)

c)

Oxytocin

d)

Prolactin

3.

What class of hormones are secreted from the Zona Glomerulosa (Adrenal cortex)

a)

Mineralcorticoids

(Aldosterone)

b)

Glucocorticoids

(Cortisol)

c)

Androgens

(Oestrogen)

d)

Glutamates

4.

What do alpha cells in the pancreas secrete?

a)

Insulin

b)

Glucagon

c)

Glucose

d)

Glycogen

5.

What do chief cells in the parathyroid secrete?

a)

Calcitonin

b)

PTH

c)

Pepsinogen

d)

Thyroxine

6.

What hormone has the dominant influence in the luteal phase

a)

Oestrogen

b)

FSH

c)

GnRH

d)

Progesterone

7.

What is the function of Leydig cells

a)

Secrete GnRH

b)

Secrete Testosterone

c)

Regulate Sperm Production

d)

Regulate Follicular Maturation

8.

What cell secretes Cholecystokinin (CCK)

a)

K Cell

b)

G cell

c)

I cell

d)

S cell

9.

Where is Angiotensin-Converting Enzyme produced?

a)

Pulmonary Endothelium

b)

Liver

c)

Zona Reticularis

d)

Renal Endothelium

10.

What cell is responsible for breaking down bone?

a)

Osteoclasts

b)

Osteoflasts

c)

Osteoblasts

d)

Osteomasts

11.

What is the secretions of Follicular Cells found in the Thyroid

a)

Calcitonin

b)

Calcitriol

c)

TRH

d)

T3/T4

12.

The Inferior Thyroid Artery is a branch of which artery?

a)

Braciocephalic

b)

Common Carotid

c)

Internal Carotid

d)

Subclavian

13.

What arter(ies)y supply the head of the pancreas?

a)

Inferior Pancreaticoduodenal

b)

Inferior Mesenteric

c)

Inner Thoracic

d)

Superior Pancreaticoduodenal

14.

What do Chromaffin cells secrete

a)

Androgen Binding Proteins

b)

Catecholamines

c)

FSH and LH

d)

Dopamines

15.

What are the types of secretory cells found in the anterior pituitary gland

a)

Neurosecretory

b)

Basophils

c)

Acidophils

d)

Chromophobes

16.

What is the name of the reflection of dura mater that covers the Pituitary gland?

a)

Sella Turcica

b)

Diaphragma Sellae

c)

Tentortium Cerebelli

d)

Dura Pitis

17.

Where does the Superior Thyroid Vein drain into

a)

Internal Jugular Vein

b)

Common Carotid Artery

c)

Braciocephalic Vein

d)

Great Sapphenous Vein

18.

What are the 3 major classes of hormones?

a)

Proteins/Peptides

b)

Amino Acid Derived

c)

Paracrine

d)

Steroidal

19.

What vessels supply the lateral aspect of the breast?

a)

Internal thoracic artery

b)

2nd-4th Intercostal arteries

c)

Subclavian artery

d)

Axillary artery

20.

What nerve innervates the nipple and areola of the breast?

a)

2nd intercostal nerve

b)

4th intercostal nerve

c)

supraclavicular nerve

d)

internal thoracic nerve

21.

What nerves innervate the pancreas?

a)

Splenic nerve

b)

Greater and Lesser Splanchnic nerve

c)

Vagus nerve

d)

Thoracoabdominal

e)

iliohypogastric

22.

The superior thyroid artery is a branch of...?

a)

External carotid artery

b)

Common carotid artery

c)

Subclavian artery

d)

Costocervical trunk

e)

Internal carotid artery

23.

Which of the following is an example of a secondary endocrine organ?

a)

Pituitary gland

b)

Hypothalamus

c)

Testes

d)

Thyroid gland

e)

Kidney

24.

Which of the following hormones would use secondary messengers to mediate its cellular action

a)

Aldosterone

b)

Cortisol

c)

Insulin

d)

Thyroxine

e)

Calcitonin

25.

Acidophil cells (stain red with eosin) are found in the adenohypophysis.

What hormones do they secrete?

a)

GH

b)

LH

c)

FSH

d)

Prolactin

e)

TSH

26.

What do thyroid follicular cells secrete?

a)

T3/T4

b)

Calcitonin

c)

PTH

d)

Calcitriol

e)

TSH

27.

GLP-1 is secreted from which cells?

a)

K cells

b)

L cells

c)

M cells

d)

S cells

e)

T cells

28.

What are the systemic effects of cortisol?

a)

Promotes gluconeogenesis

b)

Promotes glyogenolysis

c)

Promotes glucogenosis

d)

Suppresses inflammation

e)

Inhibits adrenaline release

29.

What is the primary signalling molecule involved in the control of bone remodelling?

a)

PTH

b)

RANK

c)

RANK-L

d)

OPG

e)

Calcitriol

30.

Which of the following occurs during the mid-late follicular phase?

a)

Under the influence of FSH, follicles begin to mature in the ovaries

b)

Inhibin and progesterone begin to be secreted

c)

Oestrogen can stimulate additional production of oestrogen; follicles can continue oestrogen
production even though FSH and LH levels decrease (positive feedback)

d)

LH secretions increase massively

e)

The corpus luteum produces steadily increasing amounts of progesterone,
oestrogen, and inhibin

31.

FSH targets which cells?

a)

Leydig cells

b)

Sertoli cells

c)

Granulosa cells

d)

Uteral cells

e)

Gonadotropic cells

32.

What is the function of Androgen Binding Protein (ABP)?

a)

Bind to testosterone, making it less lipophilic

b)

Directly increase rate of spermatogenesis

c)

Increase secretion of growth factor

d)

Act on leydig cells to increase production of testosterone

e)

Increase secretions of FSH

33.

Which of the following hormones is made in advance and stored in granules, to be released as needed?

a)

Vasopressin

b)

Oestrogen

c)

Testosterone

d)

FSH

e)

Oxytocin

34.

Which of the following hormones would travel in the blood bound to a carrier protein?

a)

Aldosterone

b)

ACTH

c)

Insulin

d)

Thyroxine

e)

Cortisol

35.

The gland located at the base of the throat, just inferior to the laryngeal
prominence (Adam's apple) is the _

a)

Thymus

b)

Thyroid

c)

Pituitary

d)

Pineal

36.

Which of the following hormones is most likely to mediate cellular changes by
activation of existing cellular enzymes and opening or closing existing membrane
channels?

a)

Aldosterone

b)

Cortisol

c)

Dopamine

d)

Insulin

e)

Thyroxine

37.

Amino Acid derived hormones are hormones derived from?

(Special mention to Abod for crafting this question)

a)

Amino Acids

b)

Proteins

c)

Fats

d)

Cholesterols

38.

Amino Acid derived hormones are commonly derived from which amino acids?

a)

Tyrosine

b)

Threonine

c)

Tryptophan

d)

Histidine

e)

Glycine

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