chapter 26

Question 1

urinary system and homeostasis

Answer 1

alters blood comp. , pH, volume, and pressure, maintaining blood osmolarity, excretes wastes and foreign substances, produces hormones

Question 2

how many tissue layers surround the kidney and what are they

Answer 2

3 (superficial to deep_)
renal fascia
adispose capsule
renal capsule

Question 3

what are the 8 kidney functions

Answer 3

regulation of blood ionic composition, reg. of blood pH, reg. of blood Vol., reg of BP, maintenance of blood osmolarity, prod. of hormones, reg. of blood glucose levels, excretion of wastes

Question 4

what are the two distinct regions of the parenchyma

Answer 4

renal cortex and renal pyramids

Question 5

what is the urine flow

Answer 5

papillary duct to minor major calyces to renal pelvis to ureter to urinary bladder

Question 6

kidneys are how much of your body weight

Answer 6

.5 %

about 25% cardiac output at rest

Question 7

how much renal blood flow is there per min

Answer 7

1200 ml

Question 8

each nephron contains what

Answer 8

• afferent arteriole
• glomerular caps.
• efferent arteriole
• peritubular cap (cortex)
• vasa recta (medulla)

Question 9

nephron =

Answer 9

functional unit of kidney

Question 10

how many nephrons per kidney

Answer 10

approx 1 mill

Question 11

what are the two general sections of nephrons

Answer 11

renal corpuscle (plasma)
renal tubule filtration

Question 12

renal corpusule contains

Answer 12

glomerulus

bowmans capsule

Question 13

renal tubule contains

Answer 13

proximal convoluted tubule 
loop of hence
dital convoluted tubule 
collecting duct
papillary duct