Choose the best answer

1		Which of the following is not an excretory organ?
			A)	kidney
			B)	large intestine
			C)	liver
			D)	lungs
2		Which part of the nephron comes immediately after the glomerular capsule?
			A)	collecting duct
			B)	distal convoluted tubule
			C)	loop of the nephron
			D)	proximal convoluted tubule
3		Where does filtration based on blood pressure occur?
			A)	collecting duct
			B)	distal convoluted tubule
			C)	glomerular capsule
			D)	loop of the nephron
			E)	proximal convoluted tubule
4		Where in the kidney are the glomeruli located?
			A)	cortex
			B)	medulla
			C)	pelvis
5		Where does tubular secretion primarily occur?
			A)	collecting duct
			B)	distal convoluted tubule
			C)	glomerular capsule
			D)	loop of the nephron
			E)	proximal convoluted tubule
6		Where is urea produced?
			A)	muscles
			B)	liver
			C)	kidneys
			D)	spleen
7		Which extracellular fluid has the greatest volume?
			A)	tissue fluid
			B)	lymph
			C)	plasma
			D)	synovial fluid
8		Where is the juxtaglomerular apparatus located?
			A)	In the nephron loop.
			B)	In the medulla oblongata.
			C)	Between the afferent arteriole and the distal convoluted tubule.
			D)	Between the collecting duct and the proximal convoluted tubule.
9		Which structure monitors the osmolarity of the blood?
			A)	juxtaglomerular apparatus
			B)	medulla oblongata
			C)	midbrain
			D)	hypothalamus
10		Which structure monitors blood volume?
			A)	juxtaglomerular apparatus
			B)	medulla oblongata
			C)	midbrain
			D)	hypothalamus
11		A ureter is a tube that carries urine to the urinary bladder.
			A)	True
			B)	False
12		The reproductive and urinary systems are completely separate in males.
			A)	True
			B)	False
13		The external urethral sphincter is under voluntary control.
			A)	True
			B)	False
14		The efferent arteriole carries blood away from the glomerulus.
			A)	True
			B)	False
15		Alcohol is a _______ because it ________ the secretion of ADH.
			A)	antidiuretic : increases
			B)	diuretic : inhibits
			C)	antidiuretic : inhibits
			D)	diuretic : increases
16		Infection of the kidney is called _________ .
			A)	pyelonephritis
			B)	cystitis
			C)	urethritis
			D)	hypertension
17		A very high blood urea nitrogen level may lead to uremia
			A)	True
			B)	False
18		In a 3-6 hour hemodialysis, how much urea can be removed from a patient?
			A)	8-10 g
			B)	8-25 g
			C)	50-250 g
			D)	8-25 mg
19		What do we call the yellow pigment in urine?
			A)	hemoglobin
			B)	urea
			C)	urochrome
			D)	uroglobin