Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 24, Problem 5MC
Glucose is not normally found in the urine because it (a) does not pass through the walls of the glomerulus, (b) is kept in the blood by colloid osmotic pressure, (c) is reabsorbed by the tubule cells, (d) is removed by the body cells before the blood reaches the kidney.
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Renin:
A) Is released by the adrenal gland in response to low blood pressure
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C) None of these answers is correct
D) Is released by the juxtaglomerular apparatus cells in response to decreased cellular stretch indicating low blood pressure
E) Is released by the juxtaglomerular apparatus cells in response to increased blood oxygen levels
Identify all of the following that are functions of the kidney: (a) maintain blood pH; (b) regulate blood ion concentrations; (c) regulate blood volume and blood pressure; (d) eliminate wastes, some hormones, and certain drugs from the blood; (e) release renin; (f) release erythropoietin; and (g) stimulate the final step in calcitriol formation.
Which of the following statements is false regarding aging?
a) Decreased ability to contribute to vitamin D synthesis, leading to Ca2 + deficiency and bone fractures.
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Chapter 24 Solutions
Anatomy & Physiology (6th Edition)
Ch. 24.1 - Prob. 1CYUCh. 24.1 - From inside to outside, list the three layers of...Ch. 24.1 - The lumen of the ureter is continuous with a space...Ch. 24.2 - Name the tubular components of a nephron in the...Ch. 24.2 - What are the structural differences between...Ch. 24.2 - What type of capillaries are the glomerular...Ch. 24.2 - Prob. 19CYUCh. 24.3 - In the kidneys, tubular secretion of a substance...Ch. 24.4 - Extrinsic and intrinsic controls of GFR serve two...Ch. 24.4 - Calculate net filtration pressure given the...
Ch. 24.4 - Which of the pressures that determine NFP is...Ch. 24.5 - In which part of the nephron does most...Ch. 24.5 - How does the movement of Na+ drive the...Ch. 24.5 - MAKING conections Primary and secondary active...Ch. 24.6 - List several substances that are secreted into the...Ch. 24.7 - Describe the special characteristics of the...Ch. 24.7 - Under what conditions is ADH released from the...Ch. 24.8 - What would you expect the normal clearance value...Ch. 24.8 - What are the three major nitrogenous wastes...Ch. 24.9 - A kidney stone blocking a ureter would interfere...Ch. 24.9 - What is the trigone of the bladder, and which...Ch. 24.9 - Name the three regions of the male urethra.Ch. 24.9 - How does the detrusor respond to increased firing...Ch. 24.9 - MAKING connections Compare the structure and...Ch. 24 - The lowest blood concentration of nitrogenous...Ch. 24 - The glomerular capillaries differ from other...Ch. 24 - Damage to the renal medulla would interfere first...Ch. 24 - Which is reabsorbed by the proximal convoluted...Ch. 24 - Glucose is not normally found in the urine because...Ch. 24 - Filtration at the glomerulus is inversely related...Ch. 24 - Tubular reabsorption (a) of glucose and many other...Ch. 24 - If a freshly voided urine sample contains...Ch. 24 - Conditions such as diabetes mellitus and...Ch. 24 - Which of the following is/are true about ADH? (a)...Ch. 24 - What is the importance of the perirenal fat...Ch. 24 - Trace the pathway a creatinine molecule takes from...Ch. 24 - Explain the important differences between blood...Ch. 24 - Describe the mechanisms that contribute to renal...Ch. 24 - Prob. 5SAQCh. 24 - Describe what is involved in active and passive...Ch. 24 - Explain how the peritubular capillaries are...Ch. 24 - Explain the process and purpose of tubular...Ch. 24 - How does aldosterone modify the chemical...Ch. 24 - Explain why the filtrate becomes hypotonic as it...Ch. 24 - How does urinary bladder anatomy support its...Ch. 24 - Define micturition and describe the micturition...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...
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- The kidneys are stimulated to produce renin_____ b) when the sympathetic nervous system is activated c) when the pH of the urine decreases d) by an increase in the blood pressure e) when the peritubular capillaries are dilatedarrow_forwardWithin a few days after a fast begins, nitrogen excretion accelerates to a higher-than-normal level. After a few weeks, the rate of nitrogen excretion falls to a lower level and continues at this low rate. However, after the fat stores have been depleted, nitrogen excretion rises to a high level. (a) What events trigger the initial surge of nitrogen excretion? (b) Why does nitrogen excretion fall after several weeks of fasting? (c) Explain the increase in nitrogen excretion when the lipid stores have been depletedarrow_forwardWhich of these is not a function of the kidneys? A) The kidneys regulate the plasma volume B) The kidneys help to regulate blood pressure C) The kidneys help control the rate of red blood cell production D) The kidneys deactivate vitamin D and stimulate the activity of osteoclastsarrow_forward
- An individual has been fasting for several days (water only), he would expect which of the following? Group of answer choices (A) a very acidic urine (B) ketones (ketone bodies) present in the urine (C) decreased specific gravity (D) A and B (E) all of the abovearrow_forwardThe liver and kidney are both important excretory organs.a) Describe the role of the liver in excreting waste products from the body.b) The kidneys ensure excess fluid and waste are removed from the body- identify the main structures within the kidneys and describe their roles in the excretion of waste.arrow_forward(a)Reabsorption of water from distal parts of the tubules is facilitated by hormone_______.(b) Dialysis fluid contain all the constituents as in plasma except _______.(c) A healthy adult human excretes (on an average) _______ gm of urea/day.arrow_forward
- Increased concentrations of aldosterone lead to ... a) Increased reabsorption of Na + b) Decreased blood volume c) Increased permeability to water in distal tubules d) Decreased reabsorption of Cl-arrow_forwardThe afferent arteriole delivers blood to the (a) renal artery (b) efferent arteriole (c) renal vein (d) capillaries of the glomerulus (e) peritubular capillariesarrow_forwardA 25-year-old man has drunk 2000 ml. of water over the past 4 hours. For the past hours, he has felt the need to urinate but has not done so. He has remained content because of which of the following? A) Inhibition of parasympathetic spinal cord neurons B) inhibition of somatic motoneurons of the external urethral sphincter C) inhibition of sympathetic neurons of the internal urethral sphincter D) Stimulation of descending sympathetic pathways to the internal urethral sphincter E) Stimulation of parasympathetic spinal cord neuronsarrow_forward
- How are the processes of reabsorption and secretion related? A) Materials move in opposite directions: reabsorption moves materials into the blood, whereas secretion removes them from the blood. B) They both involve movement of material from the tubular fluid into the blood. C) Materials move in opposite directions: secretion moves materials into the blood, whereas reabsorption removes them from the blood. D) They both involve movement of material from the blood into the tubular fluid.arrow_forwardThe structures marked by the white asterisk are identified as which of the following? Choose from the following: (A) thin segments of the nephron loop (B) vasa recta (C) glomerular capillaries (D) cortical peritubular capillariesarrow_forwardIf the Tm for a particular amino acid is 220 mg/100 ml and the concentration of that amino acid in the blood is 130 mg/100 ml, the amino acid will ________. A) not appear in the urine because it is too large to be filtered B) be actively secreted into the filtrate C) be completely reabsorbed by the tubule cellsarrow_forward
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