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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

Multiple Choice Quiz

Please answer all questions


1	The two systems that act to control all body activities are the nervous and _____ systems.
		A)	circulatory
		B)	exocrine
		C)	endocrine
		D)	muscular


2	The _____ system includes the glands that release their secretions directly into the blood.
		A)	exocrine
		B)	endocrine
		C)	circulatory
		D)	excretory


3	Which of the following glands does not belong to the endocrine system?
		A)	pituitary
		B)	thyroid
		C)	parathyroid
		D)	salivary


4	Which of the following is not a chemical class of hormones?
		A)	protein
		B)	steroid
		C)	glycoprotein
		D)	carbohydrate


5	Which of these is not a steroid?
		A)	adrenalin
		B)	cholesterol
		C)	progesterone
		D)	cortisone


6	Which of the following is the precursor that will result in the synthesis of the others?
		A)	testosterone
		B)	cholesterol
		C)	vitamin D
		D)	estrogen


7	Which of the following does not belong with the others?
		A)	amine
		B)	epinephrine
		C)	cortisone
		D)	norepinephrine


8	Which of the following does not chemically belong with the other hormones?
		A)	ADH
		B)	PTH
		C)	GH
		D)	LH


9	Which of these is not produced by the anterior pituitary?
		A)	ACTH
		B)	follicle-stimulating hormone
		C)	somatostatin
		D)	somatotropin


10	Which of these does not belong with the others?
		A)	ICSH
		B)	lutropin
		C)	LH
		D)	follitropin


11	Which of the following is not a pancreatic hormone?
		A)	glucagon
		B)	aldosterone
		C)	insulin
		D)	somatostatin


12	Which of these compounds is produced first?
		A)	cAMP
		B)	protein kinases
		C)	adenylate cyclase
		D)	ATP


13	Which factor inactivates and decreases the levels of cAMP?
		A)	adenylate cyclase
		B)	phosphodiesterase
		C)	ATP conversion to ADP
		D)	protein kinases


14	Which of the following does not employ cAMP second messengers?
		A)	cortisol
		B)	TSH
		C)	FSH
		D)	parathormone


15	Which of the following is not a hormone function?
		A)	increase cellular oxygen consumption
		B)	cause osteoblasts to divide
		C)	convert fibroblasts to osteoblasts
		D)	alter genetic expression


16	Prostaglandins are _____ that affect various functions.
		A)	proteins
		B)	carbohydrates
		C)	nucleotides
		D)	lipids


17	The precursor molecule that produces all of the prostaglandins is _____.
		A)	cholesterol
		B)	glycoprotein
		C)	phospholipid
		D)	arachidonic acid


18	Which factor is a direct cause of the rheumatoid arthritis symptoms?
		A)	prostaglandin
		B)	cortisone
		C)	cortisol
		D)	arachidonic acid


19	Which of the following is not a property of prostaglandins?
		A)	regulate blood pressure
		B)	effect reproductive functions
		C)	influence kidney Na+ movement
		D)	all of these are functions


20	Which of these is an example of negative feedback?
		A)	insulin lowers blood sugar
		B)	GH causes osteoblast division
		C)	PTH raises blood calcium levels
		D)	low blood sugar inhibits insulin


21	Releasing hormones are produced by the _____.
		A)	hypothalamus
		B)	pituitary
		C)	thyroid
		D)	adrenal cortex


22	Which hormone controls the ability to produce milk?
		A)	ACTH
		B)	PRL
		C)	FSH
		D)	melanocyte


23	Where are releasing hormones secreted into?
		A)	posterior pituitary
		B)	hypothalamus
		C)	hypophyseal portal veins
		D)	anterior pituitary arteries


24	Which of the following directly influences or controls the other areas?
		A)	anterior pituitary
		B)	thyroid gland
		C)	hypothalamus
		D)	ovary and testis


25	Which of the following is an incorrect association?
		A)	somatotropes; GH
		B)	thyrotropes; thyroxine
		C)	mammatropes; PRL
		D)	gonadotropes; GnRH


26	Which of the following directly stimulates mitosis?
		A)	insulin
		B)	somatotropin
		C)	corticotropin
		D)	growth hormone releasing hormone


27	Which of these will decrease the release of growth hormone?
		A)	high protein diet
		B)	GRH
		C)	low SS levels
		D)	poor nutrition


28	The cartilage of bones is stimulated by ______.
		A)	GH
		B)	insulin
		C)	somatomedin
		D)	somatostatin


29	The condition called _____ occurs in adulthood and is evidenced by thickened skull bones and distortions in the arms and hands.
		A)	dwarfism
		B)	giantism
		C)	myxedema
		D)	acromegaly


30	Which hormone can cause sterility in a male?
		A)	testosterone
		B)	prolactin
		C)	LH
		D)	ICSH


31	The hormone _____ causes the breast to increase its synthesis of milk.
		A)	PRL
		B)	oxytocin
		C)	PRF
		D)	PIF


32	Which of the following is not produced by the pituitary?
		A)	ACTH
		B)	FSH
		C)	ICSH
		D)	GnRH


33	Which hormone decreases the production of urine?
		A)	ADH
		B)	adrenalin
		C)	oxytocin
		D)	thyroxine


34	Oxytocin is most closely related chemically to _____.
		A)	antidiuretic hormone
		B)	prolactin
		C)	follicle stimulating hormone
		D)	luteinizing hormone


35	ADH has the ability to increase blood pressure by constricting blood vessels and is therefore also called _____.
		A)	oxytocin
		B)	vasopressin
		C)	angiotensin
		D)	adrenocorticotropin


36	Which hormone plays the greatest role in the contractions that occur in the uterus during labor?
		A)	ADH
		B)	estrogen
		C)	oxytocin
		D)	prostaglandin


37	Which hormone is most closely involved with ovulation?
		A)	prolactin
		B)	LH
		C)	FSH
		D)	estrogen


38	The ovary and _____ contain spherical collections of cells referred to as follicles.
		A)	pituitary
		B)	testis
		C)	thyroid
		D)	pancreas


39	Which hormone exerts the greatest influence on metabolism?
		A)	thyroxine
		B)	cortisone
		C)	insulin
		D)	parathormone


40	Which of the following does not belong with the others?
		A)	calcium
		B)	thyroxine
		C)	iodine
		D)	tyrosine


41	Which of the following is not true of thyroxine?
		A)	needed for normal mental growth
		B)	increases carbohydrate utilization
		C)	decreases lipid synthesis
		D)	decreases protein synthesis


42	Which of the following have the most potent effect on increasing metabolic rate?
		A)	thyroxine
		B)	thyroglobulin
		C)	triiodothyronine
		D)	alpha globulin


43	Which of the following is not true of calcitonin?
		A)	increases bone calcium deposition
		B)	increases blood calcium
		C)	decreases blood calcium
		D)	inhibits osteoclasts


44	Which of the following is not a symptom of hyperthyroidism?
		A)	loss of weight
		B)	increased mental awareness
		C)	increased heart rate
		D)	increased ability to sleep


45	Graves disease can cause all of these except which one?
		A)	exophthalmos
		B)	a positive autoimmune test
		C)	general edema
		D)	intolerance to heat


46	Which gland is assessed by the use of radioactive iodine?
		A)	parathyroid
		B)	thyroid
		C)	ovary
		D)	pituitary


47	The ______ directly antagonizes the effect of calcitonin.
		A)	thyroxine
		B)	parathormone
		C)	insulin
		D)	glucocorticoid


48	What is the most active form of vitamin D?
		A)	7-dehydrocholesterol
		B)	hydroxycholecalciferol
		C)	cholecalciferol
		D)	dihydroxycholecalciferol


49	What is the final factor in the synthesis of the active form of vitamin D?
		A)	kidney function
		B)	the diet
		C)	intestinal conversion
		D)	sunlight on the skin


50	Which of the following is not consistent with a diagnosis of hyperparathyroidism?
		A)	fatigue
		B)	soft, deformed bones
		C)	muscle cramps
		D)	decreased calcium


51	Osteoporosis most likely results from _____.
		A)	a deficiency of dietary calcium
		B)	increased calcitonin levels
		C)	increased PTH secretion
		D)	osteitis fibrosa


52	Which of the following is the last step in the sequence of hormone synthesis in the adrenal medulla?
		A)	tyrosine
		B)	dopamine
		C)	epinephrine
		D)	norepinephrine


53	Which of the following is not true of aldosterone?
		A)	secreted from the zona glomerulosa
		B)	decreases blood Na+ levels
		C)	stimulated by angiotensin II
		D)	raises blood volume


54	Which of the following is the factor that initiates the other steps?
		A)	renin
		B)	angiotensin I
		C)	angiotensin-converting enzyme
		D)	aldosterone


55	Which of these is not true of cortisol?
		A)	stimulates gluconeogenesis
		B)	decreases blood glucose
		C)	decreases protein synthesis
		D)	stimulated by ACTH


56	The following relate to Cushing's syndrome except which one?
		A)	moon face and buffalo hump
		B)	under-secretion of ACTH
		C)	over-secretion of ACTH
		D)	hyperglycemia


57	The following are true of insulin except which one?
		A)	can cause hypoglycemia
		B)	can cause hyperglycemia
		C)	produced in the islets of Langerhans
		D)	antagonized by glucagon


58	In NIDDM, the patient is usually over forty and has normal levels of _____.
		A)	insulin
		B)	glucagon
		C)	blood lipids
		D)	somatostatin


59	The hormone melatonin is secreted from the _____ gland.
		A)	pituitary
		B)	pineal
		C)	thyroid
		D)	thymus


60	The _____ gland is important for producing immunity.
		A)	thyroid
		B)	pituitary
		C)	thymus
		D)	pancreas


61	Which gland produces a hormone, which stimulates the production of blood cells?
		A)	kidney
		B)	heart
		C)	liver
		D)	pancreas


62	In the general stress syndrome, all of the following are increased except which one?
		A)	blood sugar
		B)	heart rate
		C)	blood pressure
		D)	digestion

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