Human Biology Lab
15th Edition
ISBN: 9781308566672
Author: McGraw-Hill Education
Publisher: Mcgraw-Hill
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Chapter 5.2, Problem 2LO
Summary Introduction
To explain:
Regulation of blood flow in the three types of blood vessels.
Introduction:
The cardiovascular system which is also known as circulatory system is a system which allows blood to flow throughout the body and transports nutrients, gases and other important enzymes in and out of the cells. The cardiovascular system is composed of two components: the heart and the blood vessels.
The heart is a muscular organ which is also known as a pumping organ. The blood pumped by the heart is received by the blood vessels that transport the blood to the whole body. The blood vessels function is to receive the blood pumped out by the heart. The blood then flowing through these vessels gets transported to the whole body. The arteries, the veins and the capillaries are the three blood vessels.
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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
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Not enough water had been added to the red blood cell pellet.
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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin
Chapter 5 Solutions
Human Biology Lab
Ch. 5.1 - Identify the two components of the cardiovascular...Ch. 5.1 - Prob. 2LOCh. 5.1 - Prob. 3LOCh. 5.2 - Describe the structure and function of the three...Ch. 5.2 - Prob. 2LOCh. 5.3 - Prob. 1LOCh. 5.3 - Prob. 2LOCh. 5.3 - Explain the Internal and external controls of the...Ch. 5.4 - Prob. 1LOCh. 5.4 - Prob. 2LO
Ch. 5.4 - Prob. 3LOCh. 5.5 - Prob. 1LOCh. 5.5 - Prob. 2LOCh. 5.5 - Compare the oxygen content of the blood In the...Ch. 5.5 - Prob. 4LOCh. 5.6 - 1. Describe the processes that move materials...Ch. 5.6 - Explain what happens to the excess fluid that...Ch. 5.7 - Prob. 1LOCh. 5.7 - Prob. 2LOCh. 5.7 - Prob. 1BTHCh. 5.7 - Prob. 2BTHCh. 5.7 - Prob. 3BTHCh. 5 - Prob. 1ACh. 5 - Prob. 2ACh. 5 - Prob. 3ACh. 5 - Prob. 4ACh. 5 - Prob. 5ACh. 5 - Prob. 6ACh. 5 - Prob. 7ACh. 5 - Prob. 8ACh. 5 - Prob. 9ACh. 5 - Prob. 10ACh. 5 - Prob. 11ACh. 5 - Prob. 12ACh. 5 - Prob. 13ACh. 5 - 14. Label the blood vessels in the following...Ch. 5 - Prob. 15ACh. 5 - Prob. 16ACh. 5 - Prob. 17ACh. 5 - Prob. 18ACh. 5 - Prob. 1TCCh. 5 - Prob. 2TC
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The Cardiovascular System: An Overview; Author: Strong Medicine;https://www.youtube.com/watch?v=Wu18mpI_62s;License: Standard youtube license