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 4RQ
When a dehydrated human patient needs to be given fluids intravenously, he or she is given:
- water, which is hypotonic with respect to body fluids
- saline at a concentration that is isotonic with respect to body fluids
- glucose because it is a non-electrolyte
- blood
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The largest fluid component in the body is the:
intracellular fluid
extracellular fluid
blood plasma
cerebrospinal fluid
A drug is infused intravenously (IV) for treatment of a particular disease. The infusion rate of the drug is k0 = 200 mg/hr. The volume of the body fluid V = 16 liters. The drug is excreted (removed) through the kidneys at rate ke = 0.3/hr, proportional to the concentration of the drug in the body fluids. How much is the maximum concentration of the drug in the body in the steady state in mg/l?
When a dehydrated human patient needs to be given fluids intravenously, he or she is given: a. water, which is hypotonic with respect to body fluids b. saline at a concentration that is isotonic with respect to body fluids c. glucose because it is a non-electrolyte d. blood
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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- Saline is a slightly salty solution sometimes given to Patients to help replenish fluids. What type of solution is this and why is it given to patients?arrow_forwardAn isotonic solution containing CHO and sodium will be absorbed more readily than water alone. Group of answer choices True Falsearrow_forwardWhy would it be dangerous to administer intravenous fluids that do not have an osmotic pressure comparable to that of bodily fluids?arrow_forward
- Involves the most common anion within cells Does % of chemical buffering in body fluids Carboxylic acid buffers bases Buffers against pH changes in both the blood and cells Buffers against pH changes in the blood only Amine groups buffer acids Buffers against pH changes in the cells only Protein Buffering System Phosphate Buffering System Bicarbonate Buffering Systemarrow_forwardDetermine each statement if it conform or otherwise and give a short rationale. (maximum of 5 sentences) A suspension with fast sedimentation rate. A suppository that melts at body temperature. A paracetamol capsule that disintegrates after 3 hours.arrow_forwardAn IV bag containing 50 mg/250 mL of nitroglycerin is to be administered at a rate of 39 mcg/min. Calculate the drip rate in drops/min if using a drip set that provides 19 drops per milliliter. Round your answer to the nearest whole number.arrow_forward
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