Human Anatomy (8th Edition) - Standalone book
8th Edition
ISBN: 9780321883322
Author: Frederic H. Martini, Robert B. Tallitsch
Publisher: PEARSON
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Chapter 25, Problem 2CT
Summary Introduction
To review:
The six sphincters from the oral cavity to the anus that control the movement of materials via the digestive tract. Also, the sphincter, over which an individual has conscious and voluntary control.
Introduction:
The sphincters are the valves formed by the thickening of the portions of the circular muscular layers. There are various sphincters that are present in the digestive tract. They constrict to ensure that only one-way passage of materials occurs along the lumen.
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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?
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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 25 Solutions
Human Anatomy (8th Edition) - Standalone book
Ch. 25 - Match each numbered item with the most closely...Ch. 25 - Match each numbered item with the most closely...Ch. 25 - Prob. 3RFTCh. 25 - Prob. 4RFTCh. 25 - Prob. 5RFTCh. 25 - Prob. 6RFTCh. 25 - Match each numbered item with the most closely...Ch. 25 - Prob. 8RFTCh. 25 - Prob. 9RFTCh. 25 - Match each numbered item with the most closely...
Ch. 25 - Prob. 11RFTCh. 25 - Prob. 12RFTCh. 25 - Prob. 13RFTCh. 25 - Prob. 14RFTCh. 25 - The ____ are double sheets of peritoneal membrane...Ch. 25 - The activities of the digestive system are...Ch. 25 - Prob. 17RFTCh. 25 - Prob. 18RFTCh. 25 - The mesentery that suspends most of the small...Ch. 25 - Prob. 20RFTCh. 25 - Prob. 21RFTCh. 25 - Prob. 1RCCh. 25 - Prob. 2RCCh. 25 - 3. How would damage or removal of parts of the...Ch. 25 - Prob. 4RCCh. 25 - 5. What is the function of the hepatopancreatic...Ch. 25 - Prob. 6RCCh. 25 - Prob. 7RCCh. 25 - Prob. 8RCCh. 25 - Prob. 9RCCh. 25 - Prob. 10RCCh. 25 - Prob. 1CTCh. 25 - Prob. 2CTCh. 25 - From the lumen outward, what six histological...
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