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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Endocrine System

True/False Quiz

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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