Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 49.4, Problem 1BC
Summary Introduction
To determine: The examples besides dialysis in which the countercurrent exchange mechanism is seen.
Introduction: Countercurrent exchange refers to the process by which exchange of substances flowing in the opposite direction between two bodies occurs. The exchange may be of fluids, heat, or chemicals.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Biology B
Tutorial Eight-Renal System
4. Control of sodium ion concentration is essential in regulating blood pressure and sustaining
life. Outline the mechanism in which the renin-angiotensin-aldosterone system (RAAS)
works to maintain blood pressure. Consider the role of the liver, kidney, lungs and adrenal
glands and the various hormones. You may wish to construct a flow diagram, a concept
map or dot points which outline the key processes. Using your answer, explain why a
doctor might prescribe ACE inhibitors to an individual with high blood pressure.
Ridney function using the creatinine clearance rate. You request a 24 hour urine sample and a
blood plasma creatinine test. The lab sent you the following information:
- 1200 mg creatinine in the 24-hour urine sample
2.1L urine collected in 24 hours
0.8 mg/dL creatinine in plasma
- 1.71 correction factor for patient's surface area
a) Compute the creatinine clearance rate. Show your work and include units for full credit.
b) Based on the table below, evaluate the patient's kidney function. Show your work.
5 Stages of Kidney Disease
Kidney Punction/GFR
Description
Stage 1
Normal or High
Function
>90%
Stage 2
Mildly Decreased
Funetion
00-89%
Mild to Moderately
Decreased Function
Stage 3
30-59%
Severely Decreased
Function
Stage 4
15-29%
Stage 5
<15%
Kidney Failure
Using my data can you help me with my question
Chapter 49 Solutions
Biology
Ch. 49.1 - Prob. 1CCCh. 49.1 - Prob. 2CCCh. 49.1 - What symptoms are sometimes seen in athletes after...Ch. 49.1 - Prob. 2EQCh. 49.1 - Prob. 3EQCh. 49.2 - Prob. 1CCCh. 49.3 - Core Skill: Connections In what other organ is a...Ch. 49.3 - Prob. 2BCCh. 49.4 - Prob. 1BCCh. 49 - Prob. 1TY
Ch. 49 - Prob. 2TYCh. 49 - Prob. 3TYCh. 49 - Prob. 4TYCh. 49 - Prob. 5TYCh. 49 - Prob. 6TYCh. 49 - Prob. 7TYCh. 49 - Prob. 8TYCh. 49 - Prob. 9TYCh. 49 - Prob. 10TYCh. 49 - Define nitrogenous waste, and list the main types...Ch. 49 - List and describe the three processes involved in...Ch. 49 - Prob. 3CQCh. 49 - Prob. 1COQCh. 49 - Briefly discuss the parts and functions of the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Labs 7 & 8- Osmosis & Diffusion If provided data showing weight changes over time, can you determine the type of solution that must be inside the dialysis tubing and/or what type of environment it was placed into (hypertonic, hypotonic, isotonic)?arrow_forwardThe image for activity below reinforces the location of glucose transports within the epithelial cells forming the wall of the Choose from the following: (A) Bowman's capsule (B) glomerular capillaries (C) proximal convoluted tubule (D) nephron loop (E) distal convoluted tubule (F) collecting ductarrow_forwardConstruct a graph showing difusión time vs column height: don't forget to label axis. Consider how big is my graph.arrow_forward
- What do we need if we want our defibrillator to work effectively? Pls elaborate your answer. Thanks.arrow_forwardSection E. Estimation of the Water Potential (Ψw) of Storage Tissue by Volume Change Method pls answer tysm!arrow_forwardNursing: question 7. Order: 40,000 units heparin in 1L of 0.9% NaCl to infuse at 25 mL/h. Calculate the hourly heparin dosage in mL/hour.arrow_forward
- In the diffusion demonstration, which molecules were able to diffuse across the dialysis tubing based on relative size? Choose ALL that apply, Water O lodine (Lugol's) Glucose Starcharrow_forwardmultiple choicearrow_forwardCourse Code: BIO121 Course Name: Principles of Biology I Read the question carefully first Answer the question-1 given figure below according to the question (a) (b) (c) with step by step clear explanation. Question 1 Figure below shows red blood cells placed in three solutions of different tonicity. HEMOLYSIS CRENATION HEMOGLOBIN Solution A Solution B Solution C (a) Which solution, A, B or C, is hypertonic? What is a hypertonic solution? (b) Explain what has happened to the cells in solution C. (c) Plant cells will also change when placed in different solutions. Describe what would happen to a plant cell when it is placed in a hypotonic solution. Explain why this is different from what happened to the red blood cells in the above figure.arrow_forward
- The effect of length on flow rate. A: the fluid reservoir is placed on top of the bench (Figure 2A) to give a pressure head. This is connected to the flow module by rubber tubing with a clamp on it. A 5-mL volumetric flask is used to collect fluid, and the time taken with different lengths of tubes is recorded on a stopwatch. (Figure 2B) The calculated flow rate plotted against the length of tube. a. Interpret the graph/data b. Would you expect the length of blood vessels to change in the body as a means of controlling flow? Comment on your answer. c. Is this likely to be a common mechanism for controlling blood flow to different tissues?arrow_forwardPART II - DIRECTION: State whether each of the following indiçates NEGATIVE or POSITIVE feedback. Write your answer in the space provided before each number. (30 mins. with provision for analysis and writing your answer.) 1. The synthesis of an enzyme that creates the blood clot matrix is part of the complex biochemical mechanism. of blood clotting. This has a self-catalytic, or self-accelerating impact, which means that once the clotting process starts, it accelerates until the bleeding stops. 2. When blood pressure is high, the walls of arteries stretch. These walls' baroreceptors likewise stretch, causing a signal to be transmitted to the brain, which causes the body's heart rate to slow. This reduces blood pressure by slowing the flow of blood through the arteries. 3. When blood pressure lowers, baroreceptors become flaccid, and a signal is given to speed up the heart rate. '4. During childbirth stretching of the uterus triggers the secretion of the hormone oxytocin, which…arrow_forwardThe effect of radius on flow rate. Figure 3A: the fluid reservoir is placed on top of the bench to give a pressure head. This is connected to the flow module by rubber tubing with a clamp on it. A 5-mL volumetric flask is used to collect fluid, and the time taken with different diameter tubes is recorded on a stopwatch. (Figure 3B) The calculated flow rate plotted against the tube radius (r) as well as against r4. a. Interpret the graph b. Is the radius a variable that is likely to change to control blood flow to different tissues? How? c. What are the implications for the control of blood flow if it is proportional to the fourth power of a variable?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Anatomy & PhysiologyBiologyISBN:9781938168130Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark WomblePublisher:OpenStax College
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Anatomy & Physiology
Biology
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:OpenStax College