Renal System
What is the resulting effect of renin being released by the kidney?
Angiotensin II is formed.
Aldosterone is released.
Macula densa sends paracrine message to afferent arterioles.
Efferent arterioles are constricted.
Angiotensin II is formed.
Renin catalyses the formation of angiotensin I from angiotensinogen. ACE then converts angiotensin I to angiotensin II. Aldosterone is released from the adrenal cortex due to angiotensin II. Angiotensin II also promotes systemic vasoconstriction (not just in efferent arteriole).
Angiotensin II is formed. Renin catalyses the formation of angiotensin I from angiotensinogen. ACE then converts angiotensin I to angiotensin II. Aldosterone is released from the adrenal cortex due to angiotensin II. Angiotensin II also promotes systemic vasoconstriction (not just in efferent arteriole).
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The kidney turns blood into filtrate and then filtrate into urine. Which list has the structures in the correct order of liquid flow from proximal to distal?A. Glomerulus, papilla, renal cortex, major calyx
B. Descending limb of the loop of Henle, distal convoluted tubule, renal pelvis, urethra
C. Efferent arteriole, collecting duct, proximal convoluted tubule, renal medulla
D. Afferent arteriole, ascending limb of the loop of Henle, ureter, Bowman’s capsule
What is the function of angiotensin II?
A. Causes constriction of systemic arteries
B. Causes the collecting ducts to become permeable to water
C. Causes the formation of atrial natriuretic hormone
D. Causes constriction of the efferent arterioles
In which section of the renal tubule is most water reabsorbed?
A. Descending limb of the loop of Henle
B. Ascending limb of the loop of Henle
C. Collecting duct
D. Proximal convoluted tubule
In the nephron, if the afferent arteriole dilates and the efferent arteriole constricts, which of the following would be true?
A. The glomerular filtration rate would decrease.
B. The pressure in the glomerulus will decrease.
C. The absorption of sodium and chloride ions form the filtrate would increase.
D. Before these events, the granular cells would have released renin.
Alcohol is a diuretic. How does it produce this effect?
A. It promotes the production of aldosterone.
B. It inhibits the production of antidiuretic hormone.
C. It inhibits the production of atrial natriuretic peptide.
D. It promotes the release of angiotensin II.
Which of the following chemicals is produced by the kidney?
A. Angiotensinogen
B. Bicarbonate ions
C. Sodium ions
D. Vitamin C
Which material is secreted into the filtrate in the kidney tubule?
A. H2O
B. Urea
C. Na+
D. Albumin
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