Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 41, Problem 5RQ
The sodium ion is at the highest concentration in:
- intracellular fluid
- extracellular fluid
- blood plasma
- none of the above
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Sodium concentration in extracellular fluid is:
potassium
< potassium
= potassium
undetectable
Blood plasma osmolarity is higher than intracellular fluid osmolarity.
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Chapter 41 Solutions
Biology 2e
Ch. 41 - Figure 41.5 Which of the following statements...Ch. 41 - Figure 41.6 Which of the following statements...Ch. 41 - Figure 41.8 Loop diuretics are drugs sometimes...Ch. 41 - When a dehydrated human patient needs to be given...Ch. 41 - The sodium ion is at the highest concentration in:...Ch. 41 - Cells in a hypertonic solution tend to: shrink due...Ch. 41 - The macula densa is/are: present in the renal...Ch. 41 - The osmolarity of body fluids is maintained at...Ch. 41 - The gland located at the top of the kidney is the...Ch. 41 - Active transport of K+ in Malpighian tubules...
Ch. 41 - Contractile vacuoles in microorganisms:...Ch. 41 - Flame cells are primitive excretory organs found...Ch. 41 - BUN is. blood urea nitrogen blood uric acid...Ch. 41 - Human beings accumulate ____before____ excreting...Ch. 41 - Renin is made by. granular cells of the...Ch. 41 - Patients with Addison's disease retain water...Ch. 41 - Which hormone elicits the 'fight or flight”...Ch. 41 - Why is excretion important in order to achieve...Ch. 41 - Why do electrolyte ions move across membranes by...Ch. 41 - Why are the loop of Henle and vasa recta important...Ch. 41 - Describe the structure of the kidney.Ch. 41 - Why might specialized organs have evolved for...Ch. 41 - Explain two different excretory systems other than...Ch. 41 - In terms of evolution, why might the urea cycle...Ch. 41 - Compare and contrast the formation of urea and...Ch. 41 - Describe how hormones regulate blood pressure,...Ch. 41 - How does the renin-angiotensin-aldosterone...
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Similar questions
- The most cation that found in extacellular fluid isarrow_forwardBlood volume must be restored in a person who has lost large amounts of blood due to serious injury. This is often accomplished by infusing isotonic NaCl solution into the blood. Why is this more effective than infusing an isoosmotic solution of a penetrating solute, such as urea?arrow_forwardWhen a person becomes dehydrated, the amount of water in extracellular fluids such as blood decreases, causing the solute concentration of these fluids to increase. State whether osmosis results in water entering or leaving cells.arrow_forward
- Of the following solutes, which ones are least likely to be found in the urine of a healthy person: erythrocytes, glucose, sodium ions, and/or hydrogen ions? Explain why you normally wouldn’t expect to find this (these) solute(s) in the urine.arrow_forwardHypocalcemia will increase the permeability of membranes to sodium. Group of answer choices False Truearrow_forwardIn patients that suffer from diabetes insipidus, a urine sample would show which of the following? Check all that apply. Elevated protein High osmolarity High levels of glucose Blood cells * Low osmolarityarrow_forward
- Blood plasma has an osmolarity of about Group of answer choices: 100 mOsm/L. 900 mOsm/L. 1200 mOsm/L. 300 mOsm/L. 30 mOsm/L.arrow_forwardThe concentration of ______ is higher in the intracellular fluid than in fluid surrounding the cell. A K+ B Ca+2 C Na+arrow_forwardBased on this chart, which way will sodium be pumped? Typical ionic concentrations Squid Giant Axon Frog Sartorius Muscle Intracellular Na+ K+ CI- Extracellular Na+ K+ CI- sodium is a equilibrium into the cell out of the cell 50 397 40 437 20 556 sodium cannot cross the membrane 13 138 3 110 2.5 90 Human Red Blood Cell 19 136 78 155 5 112arrow_forward
- excess sodium ion is considered hazardous, but a certain amount is necessary for normal body functions. What is the purpose of sodium in the body?arrow_forwardThis depolarizes the cell membrane: inflow of chloride inflow of sodium outflow of potassium outflow of calciumarrow_forwardنقطة واحدة colloid osmotic pressure, false statement caused by plasma protein mainly albumin difference will be around 20 millimeter of mercury hypertonic compared with ICF O also called hydrostatic pressurearrow_forward
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