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WorksheetsEndocrine 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.
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.
5.
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
6.
Which statement about the anterior pituitary is correct?
a)
It stores hormones synthesized by the hypothalamus
b)
It releases its hormones into a system of blood vessels called the hypophyseal portal system.
c)
It consists of neural tissue.
d)
It holds hormones until stimulated by the nervous system to release them.
7.
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
8.
The pineal gland secretes
a)
Melatonin
b)
Somatropin
c)
Oxytocin
d)
Gonadatropin
9.
Which gland is part of both the endocrine and immune systems?
a)
Thyroid Gland
b)
Pineal Gland
c)
Thymus Gland
d)
Adrenal Gland
10.
Which hormone is secreted by the thyroid gland?
a)
Thyratropin
b)
Parathyroid Hormone
c)
Thymosin
d)
Calcitonin
11.
Which of the following is one of the effects of parathyroid hormone?
a)
The movement of calcium from blood to bone
b)
The excretion of calcium in the intestines
c)
The reabsorption of calcium by the kidneys
d)
Increase the rate of metabolism
12.
Calcitonin exerts its effect on which organ?
a)
Bones
b)
Kidneys
c)
Intestines
d)
Liver
13.
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.
14.
Which of the following statements about the pancreas is correct?
a)
It is primarily an endocrine gland.
b)
It secretes digestive enzymes into the small intestine.
c)
Pancreatic islets consist of a single cell type.
d)
It lies just in front of the stomach.
15.
Which cells secrete the hormone insulin?
a)
Alpha Cells
b)
Beta Cells
c)
Delta Cells
d)
Islet Cells
16.
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.
17.
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.
18.
The more ____________________ a cell has, the more sensitive it will be to a hormone.
a)
Microglia
b)
Nuclei
c)
Receptors
d)
Synapses
19.
The hormone that triggers the development of male sexual characteristics is
a)
Androgen
b)
Testosterone
c)
Aldosterone
d)
Cortitropin
20.
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
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