Urinary System

Question 1

Name 5 reasons for urine formation:

Answer 1

1. Filters blood
2. Eliminates nitrogenous wast
3. Maintains fluid balance
4. Contols levels of iorn
5. Regulates blood pH

Question 2

What enzyme regulates / montors blood pressure?

Answer 2

Renin

Question 3

What hormone plays a role in RBC production (erythropoiesis)

Answer 3

Erythropoietin

Question 4

Name 3 processes influanced by the Urinary System:

Answer 4

1. Urine Formation
2. Regulation of blood pressure
3. Regulation of RBC production

Question 5

Name the 4 organs of the Urinary System:

Answer 5

1. Kidneys
2. Ureters
3. Bladder
4. Urethra

Question 6

The bladder consists of ________ epithelium?

Answer 6

transitional epithelium

Question 7

Name the 5 parts major parts of the Kidneys:

Answer 7

1. Cortex
2. Medullla
3. Calyses
4. Pelvis
5. A series of arteries and veins

Question 8

Name the outermost region of the kidney.

Answer 8

Cortex

Question 9

Name the striped, middle pyramid region of the kidneys

Answer 9

Medulla

Question 10

Name the finger-like trough found in the Kidneys.

Answer 10

Calyses

Question 11

Name the basin area, continuous with the ureters found in the Kidneys.

Answer 11

Pelvis

Question 12

What is the smallest functional unit of the Kidney?

Answer 12

The Nephron

Question 13

Name the 2 parts of the Renal Corpuscle:

Answer 13

1. Glomerulus
2. Bowman’s Capsule

Question 14

The __________ part of the Renal Corpuscle is refered to as a “high pressure capillary bed.”

Answer 14

Glomerulus

Question 15

The Glomerulus is fed by ________ arterioles, and drained by ________ arterioles.

Answer 15

fed by afferent,

drained by efferent

Question 16

The diameter of:

• Afferent

or

• Efferent

areteriols are bigger?

Answer 16

afferent

Question 17

Name the 4 Renal Tubules:

Answer 17

1. Proximal Convoluted Tubule
2. Loop of Henle
3. Distal convoluted tubule
4. Collecting tubules

Question 18

What type of epithelium are found in the Proximal Convoluted Tubule.

What additional structure is found here?

Answer 18

Simple Cuboidal epithelium

and

Contains microvilli

Question 19

What type of epithelium is found in the loop of Henle?

Answer 19

Simple Squamous epithelium

Question 20

What type of epithiium is found in the Distal convoluted tubule?

Answer 20

Simple Cuboidal epithelium

Question 21

What type of epithilium is found in the Collecting tubules?

Answer 21

Symple Cuboidal epithelium

Question 22

What are Peritubular Capilary Beds?

Answer 22

“capillaries that surround tubules”

Question 23

Name 3 carictoristics of the Peritubular Capillary Bed:

Answer 23

1. They are low pressure and porous
2. They arises from efferent arterioles
3. They cling to the renal tubules

Question 24

Name the 3 processes of Unine Formation:

Answer 24

1. Filtration
2. Reabsorption
3. Secretion

Question 25

Where does filtration occure?

Answer 25

By passage from the **Glumerulus** into the **Bowmans** **capsule**

Question 26

Where does reabsorption occure?

Answer 26

Proximal convoluted tubules and loop --\> peritubular capillaries

Question 27

Where does Secretion occure?

Answer 27

Peritubular capillaries --\> distal convoluted and collecting tubules

Question 28

Name the 4 normal components of unine:

Answer 28

1. water 2. urea 3. electrolytes 4. uric acid

Question 29

Name 6 abnormal components of unrine:

Answer 29

1. glucose 2. protein 3. WBC's 4. RBC's 5. bacteria 6. hemoglobin

Question 30

What is the measure of the concentration of urine?

Answer 30

Specific Gravity

Question 31

What is the normal range for specific gravity?

Answer 31

1.001 - 1.035

Question 32

What is the normal pH range of urine?

Answer 32

5.0 - 8.5 pH

Question 33

What substances we eat and drink can affect urine prduction?

Answer 33

1. water 2. salt 3. caffeine