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Endocrine System

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Stimulates milk production in the mammary glands in female individuals
a)
Prolactin
b)
FSH
c)
LH
d)
Progesterone
2.
Stimulates the thyroid gland to secrete thyroid hormone
a)
Parathyroid Homone
b)
Calcitonin
c)

TSH (Thyroid Stimulating Hormone)

d)
Vasopressin
3.
Which of the following statements about the endocrine system is true?
a)
Endocrine glands are ductless glands that secrete their hormone into the bloodstream.
b)
Endocrine glands respond quickly to stimuli.
c)
The endocrine system exerts short-lived effects.
d)
The endocrine system adapts quickly to continual stimulation.
4.
The endocrine gland that influences more body processes than any other endocrine gland is the
a)
Thyroid Gland
b)
Pituitary Gland
c)
Adrenal Gland
d)
Pineal Gland
5.
What is the mechanism whereby one endocrine gland stimulates another endocrine gland to secrete a hormone, which, in turn, causes the first endocrine gland to stop production of its hormone?
a)
Hormone-inhibiting mechanism
b)
Second messenger system
c)
Positive feedback
d)
Negative Feedback
6.
The pineal gland secretes
a)
Melatonin
b)
Somatropin
c)
Oxytocin
d)
Gonadatropin
7.
Which gland is part of both the endocrine and immune systems?
a)
Thyroid Gland
b)
Pineal Gland
c)
Thymus Gland
d)
Adrenal Gland
8.
Which hormone is secreted by the thyroid gland?
a)
Thyratropin
b)
Parathyroid Hormone
c)
Thymosin
d)
Calcitonin
9.

Calcitonin exerts its effect on which organ or system?

a)
Bones
b)
Kidneys
c)
Intestines
d)
Liver
10.
Which of the following statements about the adrenal cortex correct?
a)
It contains modified neurons called chromaffin cells.
b)
It acts as part of the sympathetic nervous system.
c)
It consists of three layers, each of which secretes a different corticosteroid.
d)
It helps boost glucose levels by breaking down glycogen into glucose.
11.
Which of the following statements about the pancreas is correct?
a)
It is primarily an endocrine gland.
b)

It is composed of mainly exocrine tissue, with scattered patches of endocrine tissue.

c)
Pancreatic islets consist of a single cell type.
d)
It lies just in front of the stomach.
12.
Which cells secrete the hormone insulin?
a)
Alpha Cells
b)
Beta Cells
c)
Delta Cells
d)
Islet Cells
13.
What occurs between meals when blood sugar levels decline?
a)
Alpha cells secrete the hormone glucagon.
b)
Beta Cells secrete the hormone insulin
c)
Delta cells secrete somatostatin.
d)
The zona fasciculata secretes glucocorticoids.
14.
In which ways does the microbiome resemble an endocrine organ?
a)
If gathered together, the members of the microbiome would be approximately the size of the liver.
b)
The members of the microbiome secrete a single hormone.
c)
The microbiome can function as a collective unit to influence other organs and respond to the secretions of other organs.
d)
The composition of the microbiome changes throughout the lifespan.
15.
The more ____________________ a cell has, the more sensitive it will be to a hormone.
a)
Microglia
b)
Nuclei
c)
Receptors
d)
Synapses
16.
The hormone that triggers the development of male sexual characteristics is
a)
Androgen
b)
Testosterone
c)
Aldosterone
d)
Cortitropin
17.
Parathyroid Horomone is one of the two major hormones that helps maintain homestasis of this ion in the body
a)
Potassium
b)
Sodium
c)
Magnesium
d)
Calcium
18.

Steroid hormones:

a)

bind with a receptor on the cell wall, triggering a second messenger system.

b)

pass through the cell wall and bind with receptors in the nucleus of the cell.

c)

pass through the cell wall and activate specific enzymes, which trigger a reaction.

d)

attach to the cell wall and act as receptors for circulating hormones.

19.

The posterior pituitary:

a)

Is the larger of the two pituitary glands

b)

Synthesizes multiple important hormones.

c)

Is made of glandular tissue

d)

Stores and secretes antidiuretic hormone.

20.

When circulating blood calcium (Ca++) becomes low:

a)

The parathyroid secretes PTH, which causes Ca++ to move from bones, kidneys and intestines to the blood.

b)

The parathyroid secretes PTH, which causes Ca++ to move from the blood to the bones.

c)

The thyroid secretes calcitonin, which causes Ca++ to move from the bones, kidneys and intestines to the blood.

d)

The thyroid secretes calcitonin, which causes Ca++ to move from the blood to the bones.

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