Chapter 6

Question 1

where are renal papilla found?

Answer 1

minor calyces

Question 2

general function of a renal corpsucle

Answer 2

blood filtration

Question 3

two major parts of a renal corpuscle

Answer 3

bowmans capsule and golerulus

Question 4

which cell type makes up the parietal layer of the bowmans capsule

Answer 4

simple squamous

Question 5

what structures are located within the cortex of kidneys

Answer 5

renal corpuscles, tubules, and medullary rays

Question 6

what structures are located within the medulla

Answer 6

renal pyramids, renal column

Question 7

special cells found within the renal corpuscles that function in capillary support

Answer 7

podocytes

Question 8

function of proximal convoluted tubules

Answer 8

reabsorb nutrients, proteins, water and electrolytes

secrete organic molecules like H+, ammonia, biles salts

Question 9

loop of henle thin limb function

Answer 9

reabsorb Na+ Cl -

Question 10

loop of henle thick ascending lumb function

Answer 10

reabsorb electorlytes

Question 11

what is the epithelium of the thin limbs in the loop of henle and what are the thick ascending limbs

Answer 11

simple squamous, simple cuboidal

Question 12

special part of the DCT tat the vascular pole containing closely packed columnar cells

Answer 12

macula densa

Question 13

connecting tubules lead to what structures that are not part of the nephron?

Answer 13

collecting ducts

Question 14

which tubule is made of taller cells and well developed microvilli

Answer 14

PCT

Question 15

cell located in collecting ducts that is the most common type

Answer 15

principle cells

Question 16

cell located in the collecting tubules that is fewer in numbers and secrete H+ or HCO3- to maintain pH balance

Answer 16

intercalated cells

Question 17

what is the surface epithelium of ureters?

Answer 17

urothelium

Question 18

the mucosa of ureters contains a layer of basal cells, a layer of intermediate cells, and a layer of large superficial cells called

Answer 18

umbrella

Question 19

what two cells are the most well developed in the mucosa of urinary surface epithelium

Answer 19

plaque and umbrella cells

Question 20

muscularis externa is composed of smooth muscle that is in a reverse pattern which means it has an inner ___ layer and outer ___ layer

Answer 20

longitudinal, circular

Question 21

the distal end of the muscularis externa has these 3 muscle layers

Answer 21

inner longitudinal, middle circular, outer longitudinal

Question 22

is the internal urethral sphincter volunotary or involuntary?

Answer 22

involuntary

Question 23

the internal urethral sphincter is important to stop the spread of infection to to the ___

Answer 23

kidneys

Question 24

what innervation supplies the micturition reflex?

Answer 24

parasympathetics from s2-s4 to ME and adventitia

Question 25

the three sections of the male urethra

Answer 25

prosatitc 3-4 cm, membranous 1cm, spongy 15cm

Question 26

briefly describe the mucosal pattern of the ME of the ureters and urinary bladder

Answer 26

ureters - inner longitudinal and outer circular

urinary bladder - inner longitudinal, middle circular, outer longitudinal