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- 1. Multiple Choice
What is the tissue region labelled B called?
pelvis
cortex
medulla
capsule
- 2. Multiple Choice
What is the tissue region labelled C called?
medulla
cortex
pelvis
capsule
- 3. Multiple Choice
Structure C is known as the...
PCT
Bowman's capsule
Glomerulus
DCT
- 4. Multiple Choice
Which statement is true?
The efferent arteriole is wider than the afferent arteriole
The afferent artery is wider than the efferent artery
The afferent arteriole is wider than the efferent arteriole
The afferent and efferent arterioles are the same width
- 5. Multiple Choice
Structures B and C are the site of...
selective reabsorption
ultrafiltration
water reabsorption
macrofiltration
- 6. Multiple Choice
To enter the Bowman's capsule, fluid from the blood crosses (in the correct order)...
epithelium of Bowman's capsule, basement membrane, capillary endothelium
capillary endothelium, epithelium of Bowman's capsule, basement membrane
arteriole endothelium, basement membrane, epithelium of Bowman's capsule
capillary endothelium, basement membrane, epithelium of Bowman's capsule
- 7. Multiple Choice
Which part of the following is responsible for the filtration in ultrafiltration?
podocytes
basement membrane
capillary endothelium
epithelium of Bowman's capsule
- 8. Multiple Choice
Where does selective reabsorption take place?
E
D
B
G
- 9. Multiple Choice
Which substances are selectively reabsorbed in the PCT?
all glucose and amino acids, most water, some ions
most glucose, amino acids & water plus some ions
all glucose, most amino acids & water, some ions
all glucose, amino acids, ions and some water
- 10. Multiple Choice
Which of these is responsible for establishing the concentration gradient needed for the selective reabsorption of glucose and amino acids?
co transporter protein
osmotic gradient
sodium-potassium pump
sodium-calcium pump
- 11. Multiple Choice
How is the lining of the PCT adapted for selective reabsorption?
thin layer - short diffusion distance
microvilli - large surface area
partially permeable
- 12. Multiple Choice
Where is the Loop of Henle?
F
G
D
E
- 13. Multiple Choice
Which of the following statements is true?
The dscending limb is impermeable to water
The ascending limb is permeable to water
The ascending limb is impermeable to water
- 14. Multiple Choice
The main aim of the Loop of Henle is...
to decrease the water potential in the medulla
to increase the water potential in the medulla
to decrease the water potential in the cortex
to increase the water potential in the cortex
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