Multiple Choice Quiz

Please answer all questions


1	The urinary system is the principal system responsible for ______________________.
		A)	removal of carbon dioxide
		B)	water and electrolyte balance
		C)	excretion of toxic nitrogenous compounds
		D)	both "A" and "B"
		E)	both "B" and "C"
		F)	"A", "B", and "C"


2	The ___________________ is the functional unit of the kidney.
		A)	renal pyramid
		B)	renal medulla
		C)	nephron
		D)	renal cortex


3	Microscopic _____________________ arise from branches of the interlobular arteries and lead to the glomeruli.
		A)	arcuate arteries
		B)	interlobar arteries
		C)	efferent glomerular arterioles
		D)	afferent glomerular arterioles


4	What portion of the nephron extends into the medulla?
		A)	nephron loop
		B)	proximal convoluted tubule
		C)	distal convoluted tubule
		D)	papillary duct


5	What portion of the nephron does not absorb water passively by osmosis?
		A)	proximal convoluted tubule
		B)	descending limb of nephron loop
		C)	distal convoluted tubule
		D)	All of these portions absorb water passively by osmosis.


6	The muscularis of the urinary bladder, collectively called the detrusor muscle, is made up of _____ layers of muscle.
		A)	2
		B)	3
		C)	4
		D)	5


7	Where is the location of the external urethral sphincter in the human male?
		A)	prostatic urethra
		B)	spongy urethra
		C)	membranous urethra
		D)	tip of the penis


8	In what portion of the central nervous system is the micturation center located?
		A)	in the medulla oblongata
		B)	in the pons
		C)	in the superior spinal cord
		D)	in the sacral spinal cord


9	Abnormalities of the urinary system occur in approximately __________ of newborns.
		A)	1%
		B)	3%
		C)	12%
		D)	25%


10	A scanty output of urine is referred to as __________________.
		A)	oliguria
		B)	hematuria
		C)	incontinence
		D)	polyuria


11	An infection of the urinary bladder is termed _________________.
		A)	urethritis
		B)	cystitis
		C)	nephritis
		D)	glomerulonephritis


12	Shock of physical trauma to the kidneys can result in _________________.
		A)	chronic renal failure
		B)	acute renal failure
		C)	diabetes insipidus
		D)	urinary incontinence

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