What is the most direct function of the juxtaglomerular apparatus?
A) help regulate blood pressure and the rate of blood filtration by the kidneys
B) help regulate blood pressure and the rate of excretion by the kidneys
C) help regulate urea absorption by the kidneys
D) help regulate water and electrolyte excretion by the kidneys
Answer: A
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The Urinary System
- Which cells of the kidney are chemoreceptors that respond to changes in solute content of the filtrate?
- Which of the choices below are the most important hormone regulators of electrolyte reabsorption and secretion?
- Which of the choices below is not a glomerular filtration rate control method?
- Which of the hormones below is responsible for facultative water reabsorption?
- Which of the choices below is the salt level-monitoring part of the nephron?
- Which of the choices below is the least important role of tubular secretion?
- Select the correct statement about urinary system development.
- In the ascending limb of the nephron loop the ________.
- Which of the choices below is not a method by which the cells of the renal tubules can raise blood pH?
- Excretion of dilute urine requires ________.
- If one says that the clearance value of glucose is zero, what does this mean?
- If the Tm for a particular amino acid is 120 mg/100 ml and the concentration of that amino acid in the blood is 230 mg/100 ml, the amino acid will ________.
- The factor favoring filtrate formation at the glomerulus is the ________.
- Which of the following best describes kidney function in older adults (70 years or older)?
- Which of the following is the correct sequence of kidney development from embryo to fetus?
- Which of the choices below is a function of the nephron loop?
- Reabsorption of high levels of glucose and amino acids in the filtrate is accomplished by ________.
- Which of the following is not true regarding tubular reabsorption?
- Which of the following is not a part of the juxtaglomerular complex?
- What would happen if the capsular hydrostatic pressure were increased above normal?
- Select the correct statement about the nephrons.
- Place the following in correct sequence from the formation of a drop of urine to its elimination from the body.
- An important characteristic of urine is its specific gravity or density, which is ________.
- A disease caused by inadequate secretion of antidiuretic hormone (ADH) by the pituitary gland with symptoms of polyuria is ________.