VANDER'S HUMAN PHYS CONNECT ACC/PROCT+
15th Edition
ISBN: 9781265160821
Author: WIDMAIER
Publisher: MCG
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Chapter 16, Problem C.5RQ
Summary Introduction
To summarize: The sequence of events leading to a fever and to contrast this to the sequence leading to hyperthermia during exercise.
Introduction: Homeostatic control of body temperature is called thermoregulation. Constant body temperature is maintained through the balance between heat gain and heat loss. These activities are coordinated by the heat-gain center and heat-loss center in the pre-optic area of the hypothalamus.
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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
VANDER'S HUMAN PHYS CONNECT ACC/PROCT+
Ch. 16 - Prob. 1PICh. 16 - A general principle of physiology is that...Ch. 16 - Prob. 3PICh. 16 - Prob. 4PICh. 16 - Prob. 5PICh. 16 - Using a diagram, summarize the events of the...Ch. 16 - In what two organs does major glycogen storage...Ch. 16 - How do the liver and adipose tissue metabolize...Ch. 16 - How does adipose tissue metabolize absorbed...Ch. 16 - Using a diagram, describe the sources of...
Ch. 16 - What are the effects of saturated and unsaturated...Ch. 16 - What is the significance of the ratio of LDL...Ch. 16 - What are the fates of most of the absorbed amino...Ch. 16 - Using a diagram, summarize the events of the...Ch. 16 - Distinguish between the roles of glycerol and free...Ch. 16 - Prob. A.11RQCh. 16 - Describe several inputs controlling insulin...Ch. 16 - Prob. A.13RQCh. 16 - Prob. A.14RQCh. 16 - List the metabolic effects of epinephrine and the...Ch. 16 - Prob. A.16RQCh. 16 - Prob. A.17RQCh. 16 - Prob. A.18RQCh. 16 - Describe how plasma glucose, insulin, glucagon,...Ch. 16 - Prob. 6PICh. 16 - Prob. 7PICh. 16 - State the formula relating total energy...Ch. 16 - Prob. B.2RQCh. 16 - Prob. B.3RQCh. 16 - Prob. B.4RQCh. 16 - Prob. B.5RQCh. 16 - Prob. B.6RQCh. 16 - Prob. 8PICh. 16 - Prob. 9PICh. 16 - Prob. C.1RQCh. 16 - Prob. C.2RQCh. 16 - Prob. C.3RQCh. 16 - Prob. C.4RQCh. 16 - Prob. C.5RQCh. 16 - What are the major functions of insulin,...Ch. 16 - Prob. 2RRCh. 16 - Which is incorrect?
Fatty acids can be used to...Ch. 16 - Prob. 2RCCh. 16 - Prob. 3RCCh. 16 - Prob. 4RCCh. 16 - Prob. 5RCCh. 16 - The calorigenic effect of thyroid hormones
refers...Ch. 16 - Prob. 7RCCh. 16 - Prob. 8RCCh. 16 - Prob. 9RCCh. 16 - Prob. 10RCCh. 16 - Prob. 11RCCh. 16 - Prob. 12RCCh. 16 - Prob. 13RCCh. 16 - Prob. 14RCCh. 16 - Prob. 15RCCh. 16 - Prob. 1AAECh. 16 - Prob. 2AAECh. 16 - Prob. 3AAECh. 16 - Prob. 4AAECh. 16 - Prob. 5AAECh. 16 - Prob. 6AAECh. 16 - Prob. 7AAECh. 16 - Prob. 1GPACh. 16 - Prob. 2GPACh. 16 - Prob. 3GPA
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- 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-haemoglobinarrow_forwardWhich ONE of the following is FALSE regarding haemoglobin? It has two alpha subunits and two beta subunits. The subunits are joined by disulphide bonds. Each subunit covalently binds a haem group. Conformational change in one subunit can be transmitted to another. There are many variant ("mutant") forms of haemoglobin that are not harmful.arrow_forwardWhich ONE of the following is FALSE regarding haemoglobin? It has two alpha subunits and two beta subunits. The subunits are joined by disulphide bonds. Each subunit covalently binds a haem group. Conformational change in one subunit can be transmitted to another. There are many variant ("mutant") forms of haemoglobin that are not harmful.arrow_forward
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