Chapter 24: Urinary System

Question 1

4 components of the urinary system

Answer 1

1. Kidney
2. Ureter
3. Bladder
4. Urethra

Question 2

The kidneys are located ______ - behind the peritoneal cavity next to the spine between the T11-12 and lumbar vertebra L3

Answer 2

retroperitoneal

Question 3

4 functions: Kidney

Answer 3

1. Filration
2. Reabsorption
3. Secretion
4. Excretion

Question 4

what are the 2 types of nephrons in the kidney

Answer 4

1. Cortical

2. Juxtamedullary

Question 5

Fenestration

Answer 5

there are pores that penetrate through the endothelial cells

Question 6

Electrolytes, glucose, and amino acid ______ in the PCT is driven by Na+/K+ pumps and requires ATP

Answer 6

Reabsorption

- Water follows Na+ movement by osmotic action

Question 7

the loop of Henle is the site of __________ that creates an osmotic gradient ain the interstitial space around it

Answer 7

countercurrent multiplication

- provides the gradient for water reabsorption and urine concentration

Question 8

____ removes reabsorbed water from the interstitial space to maintain the osmotic gradient and is essential fro countercurrent exchange

Answer 8

Vasa Recta

Question 9

T or F: role of the tubular collecting ducts in concentrating urine and balancing body water under the influence of Vasopressin or anti-diuretic hormone from the posterior pituitary gland

Answer 9

True