Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 57, Problem 3.1CT
Which blood vessel, the afferent arteriole or the efferent arteriole, has the larger diameter?
What is the functional significance of the diameter difference between these two blood vessels?
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Chapter 57 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 57 - When comparing the position of the two kidneys. a....Ch. 57 - Prob. 2PLCh. 57 - Which of the following does not represent one of...Ch. 57 - The ______________ arteries and veins are located...Ch. 57 - The _____________ is the tube from the kidney to...Ch. 57 - The trigone is a triangular, funnel-like region of...Ch. 57 - The external urethral sphincter is composed of...Ch. 57 - Contractions of the detrusor muscle provide the...Ch. 57 - Label the features indicated in figure 57.10 of a...Ch. 57 - Match the terms in column A with the descriptions...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is unique about blood flow out of the glomerular capillaries (Hint: what vessel drains them)? How does this help to explain why the pressure in the glomerular capillaries is higher than other capillaries?arrow_forwardWhat is the difference between the glomerular capillaries and the peritubular capillaries? How do these relate to afferent and efferent arterioles? Why do the efferent arterioles have oxygenated blood? (The answer isn’t “they are called arterioles, therefore they have oxygenated blood.)arrow_forwardWhen the thickening of connective tissue reduces blood entering the afferent arteriole. Will JG cells secrete more or less renin in response?arrow_forward
- Why does having water and blood flow in opposite directions increase transfer efficiency?arrow_forwardThe opening indicated by the black arrow indicates a 'fenestra' or pore within the glomerular capillary endothelium. Which of the following is the approximate size of the largest molecule allowed to pass through this opening? Choose from the following: (A) 5 - 6 nm (B) 50 - 70 nm (C) 200 - 300 nm (D) 700 - 800 nmarrow_forwardPressure in the renal artery is 100 mm Hg and the pressure in the renal vein is 50 mm Hg. The resistance of the afferent arteriole equals 0.5 mm Hg•min/L and the resistance of the efferent arteriole equals 0.5 mm Hg•min/L. What is the pressure in the glomerulus?arrow_forward
- If blood pressure in the afferent arteriole leading to a glomerulus decreased, how would the rate of blood filtration within Bowman’s capsule be affected? Explain.arrow_forwardWhich of the following occurs if the afferent arteriole suddenly constricts? a) Net filtration processes would remain unchanged O b) Net filtration would decrease c) Net filtration would increase O d) Renal blood flow would increasearrow_forwardIf a substance in the blood is filtered, and not all of it is completely reabsorbed back into the blood, does its level in the blood increase, decrease, or stay the same? Explain.arrow_forward
- the major difference between plasma and interstitial fluid is the absence of plasma proteins from the interstitial. explain how this affects solute distrbution and what kind of correction you would do it if you were measuring solute concentrationarrow_forwardName the gland whose secretion is vasopressin.arrow_forwardWhat is the structure of the renal corpuscle ?How does its structure contribute to the filtering of the blood?arrow_forward
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