Microbiology Fundamentals: A Clinical Approach - Standalone book
2nd Edition
ISBN: 9780078021046
Author: Marjorie Kelly Cowan Professor, Jennifer Bunn
Publisher: McGraw-Hill Education
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Chapter 16.3, Problem 6AYP
Summary Introduction
To describe:
The important features of other infectious skin diseases like impetigo, cellulitis, staphylococcal scalded skin syndrome, vesicular/pustular rash diseases, large pustular skin lesions, and cutaneous and superficial mycoses.
Concept introduction
Skin is the main part of the integumentary system. It plays an important role to prevent the body from the invading pathogen and from the harsh environment. Skin along with hair, nails, sweat, and oil glands are the part of the integumentary system.
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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 16 Solutions
Microbiology Fundamentals: A Clinical Approach - Standalone book
Ch. 16.1 - Describe the important anatomical features of the...Ch. 16.1 - Prob. 1NPCh. 16.1 - Prob. 2AYPCh. 16.2 - Prob. 3AYPCh. 16.3 - Prob. 2NPCh. 16.3 - Prob. 3NPCh. 16.3 - Prob. 4AYPCh. 16.3 - Prob. 4NPCh. 16.3 - Prob. 5AYPCh. 16.3 - Prob. 6AYP
Ch. 16.3 - Prob. 7AYPCh. 16.4 - Prob. 8AYPCh. 16.4 - Prob. 9AYPCh. 16.5 - List the types of normal biota presently known to...Ch. 16.6 - Prob. 11AYPCh. 16.6 - Prob. 12AYPCh. 16.6 - Prob. 5NPCh. 16 - Prob. 1CTCh. 16 - Prob. 1MCQCh. 16 - From chapter 11, figure 11.2. How does this figure...Ch. 16 - Prob. 2CTCh. 16 - Prob. 2MCQCh. 16 - Prob. 3CTCh. 16 - Prob. 3MCQCh. 16 - Prob. 4CTCh. 16 - Prob. 4MCQCh. 16 - Prob. 5CTCh. 16 - Prob. 5MCQCh. 16 - Prob. 6MCQCh. 16 - Prob. 7MCQCh. 16 - Prob. 8MCQ
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