Human Anatomy Laboratory Manual With Cat Dissections (9th Edition)
9th Edition
ISBN: 9780135168035
Author: Elaine N. Marieb, Lori A. Smith
Publisher: PEARSON
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Chapter 22, Problem 20RQ
Summary Introduction
To review:
The functions of alveolar macrophages in the lung alveoli.
Introduction:
The alveoli of the lungs are the site for the gaseous exchange between the inspired air and blood. Alveolar macrophages are found in the alveolar cells. They are found in large numbers in the airways between the numerous alveolar sacs. Lungs have specialized structures and mechanisms to check the entry of any possible foreign particle in the blood along with air.
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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.
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 22 Solutions
Human Anatomy Laboratory Manual With Cat Dissections (9th Edition)
Ch. 22 - Which respiratory structures are lined with...Ch. 22 - Prob. 2CYUCh. 22 - Prob. 3CYUCh. 22 - Prob. 4CYUCh. 22 - Prob. 5CYUCh. 22 - Prob. 6CYUCh. 22 - At what level of the bronchial tree are cartilage...Ch. 22 - Prob. 8CYUCh. 22 - Name the fissure that separates the superior and...Ch. 22 - In what order, from superior to inferior, do the...
Ch. 22 - Would a stab wound in the midclavicular line just...Ch. 22 - How does contraction of the diaphragm affect the...Ch. 22 - What will happen to the lung in the stab wound...Ch. 22 - Prob. 14CYUCh. 22 - Prob. 15CYUCh. 22 - Prob. 16CYUCh. 22 - Prob. 17CYUCh. 22 - Prob. 18CYUCh. 22 - Prob. 1RQCh. 22 - Prob. 2RQCh. 22 - Prob. 3RQCh. 22 - Prob. 4RQCh. 22 - Match the proper type of lining epithelium from...Ch. 22 - Match the air tube in column B with the lung...Ch. 22 - Prob. 7RQCh. 22 - Prob. 8RQCh. 22 - A serous cell of a gland secretes (a) the slippery...Ch. 22 - The function of type I alveolar cells is to (a)...Ch. 22 - Prob. 11RQCh. 22 - Prob. 12RQCh. 22 - Prob. 13RQCh. 22 - Prob. 14RQCh. 22 - Prob. 15RQCh. 22 - The three terms choanae, conchae, and carina are...Ch. 22 - Prob. 17RQCh. 22 - Sketch a picture of the right and left lungs in...Ch. 22 - Prob. 19RQCh. 22 - Prob. 20RQCh. 22 - Prob. 1CRCAQCh. 22 - Prob. 2CRCAQCh. 22 - Prob. 3CRCAQCh. 22 - Prob. 4CRCAQCh. 22 - Prob. 5CRCAQCh. 22 - Prob. 6CRCAQ
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