Multiple Choice
A blood pressure reading of 114/54 mmHg indicates which of the following about the circulatory system?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Which arteriole drains the glomerular capillary bed in the kidney?
A
Interlobular arteriole
B
Afferent arteriole
C
Renal arteriole
D
Efferent arteriole
Verified step by step guidance1
Step 1: Understand the structure of the nephron, which is the functional unit of the kidney. The nephron consists of the glomerulus, a network of capillaries where filtration occurs, and associated arterioles.
Step 2: Learn the role of the afferent arteriole. It carries blood into the glomerular capillary bed, where filtration begins.
Step 3: Recognize the role of the efferent arteriole. After blood is filtered in the glomerulus, the efferent arteriole drains the remaining blood from the glomerular capillary bed and carries it away.
Step 4: Differentiate the efferent arteriole from other arterioles. Unlike the afferent arteriole, which brings blood to the glomerulus, the efferent arteriole is responsible for draining the glomerular capillary bed.
Step 5: Confirm that the efferent arteriole is the correct answer based on its function in the nephron and its role in maintaining blood flow after filtration.
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