Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Question
Chapter 6, Problem 8RA
Summary Introduction
To determine:
Events during increase in blood osmolality.
Introduction:
Osmolality is the term given to total molality of a solution. It also indicates the number of dissolved particles in the solution. Solutions having higher osmolality exhibit a higher osmotic pressure and these solutions would attract water from the solutions having a lower osmolality.
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Students have asked these similar questions
Which of these statements regarding an increase in blood osmolality is true? a. It can occur as a result of dehydration. b. It causes a decrease in blood osmotic pressure. c. It is accompanied by a decrease in ADH secretion. d. All of these are true.
Which is the correct answer for kidney from the following statement(s)?
Local production of prostaglandin in kidney protects kidney from ischemic injury.
a.
Sympathetic stimulation has no effect on afferent and efferent arterioles so that kidney is protected from undergoing ischemia.
b.
Kidney is vulnerable to ischemic injury.
C.
d.
NSAID inhibits production of angiotensin I.
Only (a) and (c) are CORRECT
e.
a pt has hyperthyroidism and his Na+/K+ ATpase pumps are working slower. Will this effect the transport of Na+?
A. There will be a reduction in Na+ transport on the basolateral side of the tubule epithelial cell.
B. there will be a reduction in Na+ transport in bowmans capsule epithelial cells
C. there will be no change to Na+ transport
D. there will be a reduction in ATP-dependent, Na+transport on the apical side of the tubule epithelial cells
E. there will be a reduction of Na+ secretion on both sides of the tubule epithelial cells
Chapter 6 Solutions
Human Physiology
Ch. 6 - Describe the distribution of fluid in the body.Ch. 6 - Describe the composition of the extracellular...Ch. 6 - List the subcategories of passive transport and...Ch. 6 - Explain what is meant by simple diffusion and list...Ch. 6 - Prob. 4CPCh. 6 - Prob. 5CPCh. 6 - Explain how the body detects changes in the...Ch. 6 - Prob. 7aCPCh. 6 - Prob. 7bCPCh. 6 - Prob. 7cCP
Ch. 6 - Prob. 8CPCh. 6 - Prob. 9aCPCh. 6 - Prob. 9bCPCh. 6 - Explain the relationship of the resting membrane...Ch. 6 - Prob. 10bCPCh. 6 - Prob. 11CPCh. 6 - Prob. 12CPCh. 6 - The movement of water across a plasma membrane...Ch. 6 - Which of these statements about the facilitated...Ch. 6 - Prob. 3RACh. 6 - Prob. 4RACh. 6 - Blood plasma has an osmolality of about 300 mOsm....Ch. 6 - Prob. 6RACh. 6 - The most important diffusible ion in the...Ch. 6 - Prob. 8RACh. 6 - Prob. 9RACh. 6 - Prob. 10RACh. 6 - Prob. 11RACh. 6 - Prob. 12RACh. 6 - Prob. 13RACh. 6 - Prob. 14RACh. 6 - Which of the following questions regarding second...Ch. 6 - Prob. 16RACh. 6 - Prob. 17RACh. 6 - Compare the resting membrane potential of a neuron...Ch. 6 - Prob. 19RACh. 6 - Prob. 20RACh. 6 - Prob. 21RACh. 6 - Prob. 22RACh. 6 - Using the principles of osmosis, explain why...Ch. 6 - Prob. 24RACh. 6 - Prob. 25RACh. 6 - Prob. 26RACh. 6 - Prob. 27RACh. 6 - Prob. 28RACh. 6 - Prob. 29RACh. 6 - Prob. 30RACh. 6 - Using only the information in this chapter,...Ch. 6 - Prob. 32RACh. 6 - Prob. 33RACh. 6 - Suppose a semipermeable membrane separates two...Ch. 6 - Prob. 35RACh. 6 - Prob. 36RACh. 6 - Use the Nernst equation and the ion concentration...
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Similar questions
- A patient has an ADH-secreting pulmonary carcinoma (syndrome of inappropriate ADH secretion). As a result of unregulated ADH secretion, you would expect to find: a. retention of water resulting in volume expansion b. low urinary osmolality c. increased renal sodium reabsorption d. high serum sodium concentration e. b and c A 25-year old woman develops a nonfunctional hypothalamic tumor that results in a complete inability to produce oxytocin. The most likely pathological response to this deficiency is: a. inability to ovulate b. amenorrhea c. hypertension d. inability to lactate normally e. inability to deliver a child vaginallyarrow_forwardIf plasma osmolarity increases to 380 mOsM, what would likely happen to the plasma concentrations of ADH and the reabsorption of water from the kidneys? a. Plasma ADH concentrations decrease; reabsorption of water decreases b. Plasma ADH concentrations increase; reabsorption of water decreases c. Plasma ADH concentrations increase; reabsorption of water does not change d. Plasma ADH concentrations increase; reabsorption of water increases e. Plasma ADH concentrations decrease; reabsorption of water increasesarrow_forwardWhat effect does an increase in antidiuretic hormone (ADH) have on the volume of extracellular fluid (ECF)? a. ECF decreases when antidiuretic hormone (ADH) is present. b. ECF increases initially, then decreases when antidiuretic hormone (ADH) is present. c. ECF increases when antidiuretic hormone (ADH) is present. d. Antidiuretic hormone (ADH) has no effect on ECF.arrow_forward
- Which one of the following statements is false?a. Blood pressure in the glomerular capillaries is greater than the osmotic pressure exerted by proteins in the plasma within the glomerular capillaries.b. If the osmotic pressure exerted by solutes in the peritubular capillaries is greater than the blood pressure in those capillaries, then water will be reabsorbed.c. Endothelial cells in glomerular capillaries are highly permeable, facilitating filtration of fluid into Bowman’s capsule.d. Constriction of the afferent arteriole is likely to reduce the volume of filtrate appearing in Bowman’s capsule.e. The efferent arteriole carries blood from the glomerular capillaries directly to the renal vein.0.5 pointsQuestion 2Your doctor calls with the results of your urinalysis and tells you that they found proteinuria, the presence of abnormal amounts of protein in your urine sample. What could have caused this?a. Infection and inflammation in the kidney.b. Abnormally high concentration of plasma…arrow_forwardA decrease in blood osmolality results ina. increased ADH secretion.b. increased permeability of the collecting ducts to water.c. decreased urine osmolality.d. decreased urine output.e. All of these are correct.arrow_forwardExtracellular fluids have relatively? A. high sodium and low potassium levels. B .high sodium and high potassium levels. C. higher concentrations of potassium, magnesium, phosphate, and D. sulfate ions. E. low sodium and low potassium levels. F. low sodium and high potassium levels.arrow_forward
- a. A person ingests an ion-channel inhibitor, such that the ion channels present in the Loop of Henle are only able to pump at half their normal rate? b. What would this person notice about changes to their physiological filtration? (Answer a and b)arrow_forwardwhich of the following is a response to the release of antidiuretic hormone? a. urine volume increases b. positive feedback occurs leading to the release of more ADH c. water reabsorption increases at the collecting duct d. blood osmolarity increasesarrow_forwardWhich of the following is NOT a function of the kidneys? a. Regulation of plasma (NA+) b. Secretion of a hormone that affects hematocrit c. Gluconeogenesis d. Secretion of a hormone that acts to decrease mean arterial pressure e. Metabolism of Vitamin Darrow_forward
- Which of these ions is used to symport amino acids, glucose, and othersolutes through the apical membrane of tubule cells?a. K+ b. Na+ c. C− d. Ca2+ e. Mg2+arrow_forwardThe sensation of thirst increases whena. the levels of angiotensin II increase.b. the osmolality of the blood decreases.c. blood pressure increases.d. renin secretion decreases.arrow_forwardWhich transport action in the proximal tubule would take place if the body needed to increase the blood pH? A. secrete HCO3– B. secrete H+ C. reabsorb Na+ D. reabsorb K+ E. None of the above answer choices correctly answers the question.arrow_forward
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