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True/False Quiz
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Please answer all questions

1
The cells that are stimulated by hormones are referred to as its receptors.
A)True
B)False
2
An organ can belong to the digestive and endocrine systems simultaneously.
A)True
B)False
3
Hormones secreted by the adrenal gland can have direct neurological effects.
A)True
B)False
4
Oxytocin is a protein secreted by the posterior pituitary.
A)True
B)False
5
Thyroxine is a thyroid hormone also called T3.
A)True
B)False
6
Hormones exert their effects by causing organs to perform functions they could not otherwise perform.
A)True
B)False
7
Steroid hormones have their effect on the nucleus and genes of a target cell.
A)True
B)False
8
Non-steroid hormones are called second messengers because they influence the binding site first and then the activity site second.
A)True
B)False
9
Various protein kinases are enzymes that stimulate cells to increase their metabolic activities.
A)True
B)False
10
Cyclic guanosine monophosphate is an enzyme which causes the target effects seen with some hormones.
A)True
B)False
11
Prostaglandins are considered hormones, which are stored within cells and released on demand.
A)True
B)False
12
Prostaglandins are known to cause the smooth muscle of the uterus or intestines to contract.
A)True
B)False
13
The levels of insulin in the blood are maintained at constant, stable, homeostatic levels.
A)True
B)False
14
The pituitary and adrenal gland can be controlled by the direct influence of the nervous system.
A)True
B)False
15
The pituitary is located within the sella turcica of the ethmoid bone, and is attached to the thalamus by the infundibulum.
A)True
B)False
16
As blood levels of thyroid hormones increase, the secretions of TRH and TSH are reduced.
A)True
B)False
17
Alcohol is known to be a potent anti-antidiuretic.
A)True
B)False
18
The hypothalamus of the brain has osmoreceptors, which are sensitive to changes in blood concentration.
A)True
B)False
19
Diabetes insipidus is a condition that results in edema and swelling because of an excess of ADH.
A)True
B)False
20
Cretinism is a condition of physical and mental retardation that is the result of a deficiency of thyroxine.
A)True
B)False
21
It is possible to have high levels of TSH but a decrease in the levels of thyroxine.
A)True
B)False
22
Thyroxine production can be increased by TSH or antibodies.
A)True
B)False
23
A pheochromocytoma is a tumor of the adrenal cortex which raises blood pressure.
A)True
B)False
24
Male sex hormones can be produced by the testes or adrenal glands.
A)True
B)False
25
Cortisone can either cause or inhibit inflammation.
A)True
B)False
26
The pancreas is an endocrine and exocrine gland that secretes insulin from the alpha cells.
A)True
B)False
27
Cancer cells can produce hormones that affect blood sugar and blood calcium levels.
A)True
B)False
28
Circadian rhythms are those that involve fluctuations that usually last several days.
A)True
B)False







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