Glomerular Filtration Mechanism

Q. GFR of a health person is

1. 125 ml/hr
2. 125 ml/min
3. 125 L/hr
4. 125 L/min

Q.

Write short note in ultra filtration.

Q.

The amount of the filtrate formed by the kidneys per minute is called .

1. GFP
2. GPR
3. GRP
4. GFR

Q. What would happen to the GF Rate, if the hydrostatic pressure exerted by the fluid in the capsular space increased?

1. The glomerular filtration rate would decrease
2. The glomerular filtration rate would increase
3. The glomerular filtration rate would not change
4. None of these

Q.

The amount of the filtrate formed by the kidneys per minute is called .

1. GFP
2. GPR
3. GRP
4. GFR

Q. What is the average glomerular filtration rate?

1. 180 L per day
2. 10 L per day
3. 1 ml per minute
4. 1, 500 ml per day

Q. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is:

1. 20 mm Hg
2. 50 mm Hg
3. 75 mm Hg
4. 30 mm Hg

Q. In a healthy individual, an average of __________ of blood is filtered by the kidneys per minute.

1. 1000 mL
2. 1100 - 1200 mL
3. 125 mL
4. 1500 mL

Q. Glomerular filtration rate (GFR) is the amount of filtrate formed by both the kidneys per minute. GFR in a healthy human is

1. 1100 - 1200 mL/min
2. 1000 - 1100 mL/min
3. 125 mL/min
4. 100 mL/min

Q. Which of the following parts of a nephron is responsible for ultra filtration?

1. Glomerulus
2. Proximal convoluted tubule
3. Distal convoluted tubule
4. Collecting duct

Q. Find the correct statements about glomerular filtrate
I) Formed continuously through ultrafiltration of blood.
II) Amino acid and urea is not present in the lumen of Bowman’s capsule
III) Protein free fluid collects in the lumen of Bowman’s capsule
IV) Formed by the process of selective reabsorption.

1. I, II and III
2. III and IV
3. I and III
4. II and IV

Q. Blood from the glomerulus is carried away by

1. afferent arteriole
2. efferent arteriole
3. vena cava
4. aorta

Q. Which among the following factors facilitate ultrafiltration?

1. Powerful pumping action of heart
2. The glomerular capillaries are narrower than afferent arterioles.
3. The glomerular capillaries are broader than afferent arterioles.
4. both a and b are correct

Q. What is the average glomerular filtration rate?

1. 10 L per day
2. 180 L per day
3. 1, 500 ml per day
4. 1 ml per minute

Q.

In comparison to blood plasma, percentage of glucose in glomerular filtrate is

1. Nil

2. Equal

3. Lower

4. Higher

Q. The sequence of layers through which the filtration of blood takes place in nephron is.

1. endothelium of glomerular blood vessels, epithelium of Bowman’s capsule, basement membrane.
2. epithelium of Bowman’s capsule, endothelium of glomerular blood vessels, basement membrane.
3. endothelium of glomerular blood vessels, basement membrane, epithelium of Bowman’s capsule.
4. epithelium of Bowman’s capsule, basement membrane, endothelium of glomerular blood vessels.

Q.

Assertion [A]: The rate of glomerular filtration is high.

Reason [R]: The diameter of the afferent arteriole is smaller than that of the efferent arteriole.

1. Assertion [A] is True and Reason [R] is False.

2. Reason [R] is True and Assertion [A] is False.

3. Assertion [A] is True and Reason [R] is True and is a correct explanation to [A].

4. Assertion [A] is True and Reason [R] is True but is not a correct explanation to [A].

Q. What would happen to the GF Rate, if the hydrostatic pressure exerted by the fluid in the capsular space increased?

1. The glomerular filtration rate would decrease
2. The glomerular filtration rate would increase
3. The glomerular filtration rate would not change
4. None of these

Q. Choose the incorrect statement from the following statements
I) GFR in a healthy individual is approximately 125 ml/hr.
II) During urine formation, the tubular cells secrete substances like $H^{+}$, $K^{+}$ and ammonia into the filtrate.
III) On an average, 1100-1200 ml of blood is filtered by the kidneys per minute.
IV) Substances like glucose, amino acids, $N{a}^{+}$ in the filtrate are reabsorbed by passive transport.

1. I and III
2. I only
3. II and III
4. I and IV