The renal system

Question 1

What are the 4 key roles of the kidney?

Answer 1

Elimination of endo/exogenous compounds
Chemical homeostasis - pH
Volume homeostasis
Endocrine - EPO, renin, 1-25 vit D

Question 2

What is the role of the lower urinary tract?

Answer 2

Storage of urine, urination and continence

Question 3

How does the kidney interact with the respiratory system?

Answer 3

Regulation of pH - To correct metabolic disturbances

Regulate RAS

Question 4

How does the renal system interact with cardiovascular system?

Answer 4

Maintenance of BP and volume
Regulate ion concentrations for cardiac muscle
Hypovolaemic shock adaptation

Question 5

How does the renal system interact with ANS?

Answer 5

Innervation to the vasculature of the kidneys to control blood flow
Innervation of the bladder and urethra

Question 6

What are the endocrine functions of the renal system?

Answer 6

RAS - for Na, K and water regulation
Vit D and Ca regulation
Controlled by ADH
Damaged in DM

Question 7

How does the renal system interact with the GIT?

Answer 7

GIT provides the input to the body.
Kidney creates and equilibrium for loses
hypoalbuminaemia leads to hepatic failure

Question 8

How does the kidney interact with haematology?

Answer 8

EPO released for erythrocyte production

Ig deposits cause renal disease

Question 9

How does the renal system interact with musculoskeletal?

Answer 9

Pelvic floor continence and external urethral sphincter

Crush injuries lead to high K release and myoglobin