L16: Renal Function and Structure

Question 1

What are the 2 main functions of urinary system?

Answer 1

1. Regulates:
   - Plasma ionic composition
   - Plasma volume
   - Plasma osmolarity
   - Plasma pH
2. Removes metabolic waste products and foreign substances from plasma

Question 2

What some other function of the kidneys?

Answer 2

1. Secretes erythropoietin and renin–> For RBC production and enzyme secretion of renin
2. Converts 25-hydroxyvitamin D to calcitriol
3. Produces glucose from glycerol and certain amino acids during fasting

Question 3

Describe the broad pathway of urine in the urinary system:

Answer 3

1. Kidney forms urine
2. Urine produced goes through ureter,
3. Ureter have smooth muscle that contract and send urine to..
4. Go to bladder, storage site
5. Urethra transports from bladder to outside

Question 4

Describe the detailed pathway of urine in the urinary system:

Question 5

Kidneys

Answer 5

Form urine

Question 6

Ureters

Answer 6

Transport urine from kidneys to bladder

Question 7

Bladder

Answer 7

Stores urine

Question 8

Urethra

Answer 8

Transports urine from bladder to outside of body

Question 9

What brings blood to kidney

Answer 9

Renal artery

Question 10

What takes blood away from kidney

Answer 10

Renal vein

Question 11

Renal cortex

Answer 11

Outer part of kidney

Question 12

Renal medulla

Question 13

Renal pelvis

Answer 13

Urine collets into and leaves by ureter