bio 2301 exam 4 comprehensive
Questions and Answers with Verified
Solutions
Question 1:
what is basic unit of the kidney and called the functional unit?
Answer:
nephron
Question 2:
how many nephrons are there?
Answer:
1 million per kidney
Question 3:
what are the two types of nephron?
Answer:
1. juxtamedullary(15%)(longer)- responsible for water reabsorption 2.
cortical (85%)(shorter)- only in outer cortex
Question 4:
how does nephron make urine?
Answer:
by altering the volume and composition in blood but depends on what the
body needs
,Question 5:
what are the two parts of a nephron?
Answer:
glomerulus and renal tubule
Question 6:
what is the function of glomerulus?
Answer:
1. involved in filtration 2. forms a filtrate from blood that doesn't have cells
or proteins
Question 7:
what is the function of the renal tubule?
Answer:
1. takes filtrate and adds or removes substances 2. fluid left in the tubule
is what becomes urine
Question 8:
what is the bowmans capsule used for?
Answer:
filtration
Question 9:
what is the proximal convoluted tubule used for?
Answer:
reabsorbtion
, Question 10:
what is the loop of henle used for?
Answer:
ascending/decending limbs
Question 11:
what is the distal convoluted tubule used for?
Answer:
secretion
Question 12:
what is the collecting duct used for?
Answer:
hormones
Question 13:
what is the concept of filtrate?
Answer:
1. fluid from filtered blood 2. can change in volume and composition
throughout nephron until it reaches end of collecting duct
Question 14:
what is the concept of urine?
Answer:
1. fluid elimination from the body 2. does not change in volume or
composition once it becomes urine
Questions and Answers with Verified
Solutions
Question 1:
what is basic unit of the kidney and called the functional unit?
Answer:
nephron
Question 2:
how many nephrons are there?
Answer:
1 million per kidney
Question 3:
what are the two types of nephron?
Answer:
1. juxtamedullary(15%)(longer)- responsible for water reabsorption 2.
cortical (85%)(shorter)- only in outer cortex
Question 4:
how does nephron make urine?
Answer:
by altering the volume and composition in blood but depends on what the
body needs
,Question 5:
what are the two parts of a nephron?
Answer:
glomerulus and renal tubule
Question 6:
what is the function of glomerulus?
Answer:
1. involved in filtration 2. forms a filtrate from blood that doesn't have cells
or proteins
Question 7:
what is the function of the renal tubule?
Answer:
1. takes filtrate and adds or removes substances 2. fluid left in the tubule
is what becomes urine
Question 8:
what is the bowmans capsule used for?
Answer:
filtration
Question 9:
what is the proximal convoluted tubule used for?
Answer:
reabsorbtion
, Question 10:
what is the loop of henle used for?
Answer:
ascending/decending limbs
Question 11:
what is the distal convoluted tubule used for?
Answer:
secretion
Question 12:
what is the collecting duct used for?
Answer:
hormones
Question 13:
what is the concept of filtrate?
Answer:
1. fluid from filtered blood 2. can change in volume and composition
throughout nephron until it reaches end of collecting duct
Question 14:
what is the concept of urine?
Answer:
1. fluid elimination from the body 2. does not change in volume or
composition once it becomes urine
