Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 16, Problem 9RQ
Summary Introduction
Introduction:
The process of urine formation occurs in the renal corpuscle via glomerular capillaries. While the filtrate leaves the glomerular capillary, from there, the urine is received by Bowman’s capsule. There are three forces that influence the rate of filtration, which are the hydrostatic pressure, the fluid pressure in Bowman’s capsule, and the osmotic force caused by the protein difference. Hydrostatic pressure enhances the rate of filtration while the other two limit it.
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If RPF is 600 ml/min and GFR is 120ml/min what is the expected amount of PAH in urine given a plasma concentration of 0.1mg/ml?
O A. 600 mg/min
O B. 60 mg/min
O C. 120 mg/min
O D. 12 mg/min
If the glomerular capillary pressure is 40 mm Hg, the capsular hydrostatic pressure is 10 mm Hg, and the blood colloid osmotic pressurewithin the glomerulus is 30 mm Hg, the filtration pressure isa. −20 mm Hg. c. 20 mm Hg. e. 80 mm Hg.b. 0 mm Hg. d. 60 mm Hg.
Urine volume
0.8 L
Urine [inulin]
Urine [PAH]
Plasma [inulin]
Plasma [PAH]
90 mg%
60 mg%
1.1 mg%
0.18 mg%
Hematocrit
0.42
7. Calculate the glomerular filtration rate (GFR)
A. 70 mL min
B. 80 mL min'
C. 90 mL min¯
D. 100 mL min-
E. 110 mL min"'
8. Calculate the effective renal plasma flow (ERPF)
A. 335 mL min
B. 345 mL min-
C. 355 mL min-'
D. 365 mL min-'
E. 370 mL min'
Chapter 16 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 16 - 1. The outer one-third of the kidney is called...Ch. 16 - 2. Glomerular filtration is directly proportional...Ch. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Prob. 5RQCh. 16 - 6. Which of the following can be classified as a...Ch. 16 - Prob. 7RQCh. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Prob. 10RQ
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