Renal system

Question 1

Kidneys play an important role in what?

Answer 1

Homeostasis

Question 2

What do kidneys remove?

Answer 2

Waste products

Question 3

What do kidneys produce?

Answer 3

Urine

Question 4

What do kidneys regulate?

Answer 4

Fluid balance

Question 5

What do kidneys filter?

Answer 5

Essential substances (electrolytes)

Question 6

How is the formation of urine achieved?

Answer 6

Through filtration, reabsorption & excretion

Question 7

What do kidneys play an important role in?

Answer 7

Endocrine function

Question 8

What does the renal system include?

Answer 8

Kidneys
Ureters
Bladder
Urethra

Question 9

What do ureters do?

Answer 9

Take urine to bladder

Question 10

What does the bladder do?

Answer 10

Stores urine

Question 11

What does the urethra do?

Answer 11

Takes urine from bladder to outside of the body

Question 12

Why do organs ensure that a stable internal environment is maintained?

Answer 12

For the survival of tissues in the body

Question 13

How many kidneys are there and where are they?

Answer 13

2, one each side of the spinal column

Question 14

How many layers support and cover kidneys?
What are these?

Answer 14

3 layers
Renal facia, adipose tissue, renal capsule

Question 15

What does the renal facia do?

Answer 15

Anchors kidneys to abdominal wall & surrounding tissue

Question 16

What does the adipose tissue do?

Answer 16

Surrounds capsule, cushions kidneys from trauma

Question 17

What does the renal capsule do?

Answer 17

Smooth tissue, helps kidneys to maintain shape

Question 18

There are 3 regions in the kidneys, what are these?

Answer 18

Renal cortex
Renal medulla
Renal pelvis

Question 19

What are nephrons?

Answer 19

Small structures that form functional unit of kidneys

Question 20

What do nephrons do?

Answer 20

Filter blood, perform selective reabsorption, excrete unwanted waste products from filtered blood

Question 21

What do nephrons regulate?

Answer 21

Amount of water, electrolytes & other minerals

Question 22

What system are nephrons apart of?

Answer 22

Filtration

Question 23

What portion is the bowman’s capsule?

Answer 23

First portion of the nephron

Question 24

When blood reaches the kidneys for filtration, where does it enter first?

Answer 24

Bowman’s capsule

Question 25

Where does filtrate from the bowman's capsule drain into?

Answer 25

Proximal convoluted tubule

Question 26

Where does the PCT bend into?

Answer 26

Loop of Henle

Question 27

The thick ascending portion of the loop of henle leads into what?

Answer 27

Distal convoluted tubule

Question 28

Where does the DCT drain into?

Answer 28

Collecting ducts

Question 29

What is erythropoietin?

Answer 29

Hormone excreted by the kidneys

Question 30

What does erythropoietin stimulate the production of?

Answer 30

Red blood cells in the bone marrow

Question 31

What hormones do the kidneys release to control blood pressure?

Answer 31

Secretes Rennin when b/p is low Secretes aldosterone

Question 32

How do the kidneys control blood pressure?

Answer 32

Controls fluid balance Secretes hormones

Question 33

What are ureters?

Answer 33

Tubular organs, run from renal pelvis to bladder

Question 34

What is transported through ureters?

Answer 34

Urine

Question 35

What is the bladder?

Answer 35

A hollow muscular organ

Question 36

Where is the bladder located?

Answer 36

Pelvic cavity

Question 37

What is the urethra?

Answer 37

Muscular tube

Question 38

What happens when volume of urine reaches 400ml?

Answer 38

Stretch receptors are simulated

Question 39

What is micturition?

Answer 39

The action of urinating