Human Anatomy
5th Edition
ISBN: 9780073403700
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 18, Problem 4TYR
Summary Introduction
Introduction:
A hormone is a member of a chemical messenger that is secreted in blood. A hormone is responsible for carrying blood to organs and tissue to perform their function.
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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 18 Solutions
Human Anatomy
Ch. 18.1 - Define the word hormone. Compare hormones and...Ch. 18.1 - Prob. 2BYGOCh. 18.1 - Prob. 3BYGOCh. 18.1 - How do the nervous and endocrine systems differ?...Ch. 18.2 - Prob. 5BYGOCh. 18.2 - Prob. 6BYGOCh. 18.2 - Prob. 7BYGOCh. 18.2 - Prob. 8BYGOCh. 18.3 - The zona fasciculate thickens significantly in...Ch. 18.3 - Often, two hormones have opposite (antagonistic)...
Ch. 18.3 - Prob. 9BYGOCh. 18.3 - Prob. 10BYGOCh. 18.3 - Prob. 11BYGOCh. 18.3 - What is the difference between a gonadal hormone...Ch. 18.3 - What hormones are most important in regulating...Ch. 18.3 - Prob. 14BYGOCh. 18.4 - Prob. 15BYGOCh. 18.4 - Prob. 16BYGOCh. 18.4 - Prob. 17BYGOCh. 18.4 - Prob. 18BYGOCh. 18 - The definitions of hormone and endocrine systemCh. 18 - Prob. 18.1.2AYLOCh. 18 - Prob. 18.1.3AYLOCh. 18 - Prob. 18.1.4AYLOCh. 18 - Prob. 18.1.5AYLOCh. 18 - Prob. 18.1.6AYLOCh. 18 - Prob. 18.1.7AYLOCh. 18 - Prob. 18.2.1AYLOCh. 18 - Prob. 18.2.2AYLOCh. 18 - Prob. 18.2.3AYLOCh. 18 - Prob. 18.2.4AYLOCh. 18 - Prob. 18.2.5AYLOCh. 18 - Prob. 18.2.6AYLOCh. 18 - Prob. 18.2.7AYLOCh. 18 - The target organs or tissues and the funtions of...Ch. 18 - Prob. 18.2.9AYLOCh. 18 - Prob. 18.3.1AYLOCh. 18 - Prob. 18.3.2AYLOCh. 18 - The location, anatomy, and histology of the...Ch. 18 - Prob. 18.3.4AYLOCh. 18 - Prob. 18.3.5AYLOCh. 18 - Prob. 18.3.6AYLOCh. 18 - Prob. 18.3.7AYLOCh. 18 - The location and structure of the pancreatic...Ch. 18 - Prob. 18.3.9AYLOCh. 18 - Prob. 18.3.10AYLOCh. 18 - Prob. 18.4.1AYLOCh. 18 - Prob. 18.4.2AYLOCh. 18 - Prob. 18.4.3AYLOCh. 18 - The cause and effects of pheochromocytoma of the...Ch. 18 - The cause and effects of endemic goiterCh. 18 - Prob. 18.4.6AYLOCh. 18 - Prob. 1TYRCh. 18 - Prob. 2TYRCh. 18 - Prob. 3TYRCh. 18 - Prob. 4TYRCh. 18 - Prob. 5TYRCh. 18 - Prob. 6TYRCh. 18 - Prob. 7TYRCh. 18 - Prob. 8TYRCh. 18 - Which of these endocrine glands is most directly...Ch. 18 - Prob. 10TYRCh. 18 - Prob. 11TYRCh. 18 - Prob. 12TYRCh. 18 - Prob. 13TYRCh. 18 - Prob. 14TYRCh. 18 - Prob. 15TYRCh. 18 - Prob. 16TYRCh. 18 - Prob. 17TYRCh. 18 - Prob. 18TYRCh. 18 - Prob. 19TYRCh. 18 - Prob. 20TYRCh. 18 - Prob. 1BYMVCh. 18 - Prob. 2BYMVCh. 18 - Prob. 3BYMVCh. 18 - Prob. 4BYMVCh. 18 - Prob. 5BYMVCh. 18 - Prob. 6BYMVCh. 18 - State a meaning of each word element and give a...Ch. 18 - Prob. 8BYMVCh. 18 - Prob. 9BYMVCh. 18 - Prob. 10BYMVCh. 18 - Prob. 1TOFCh. 18 - Prob. 2TOFCh. 18 - Prob. 3TOFCh. 18 - Prob. 4TOFCh. 18 - Prob. 5TOFCh. 18 - Prob. 6TOFCh. 18 - Prob. 7TOFCh. 18 - Prob. 8TOFCh. 18 - Prob. 9TOFCh. 18 - Prob. 10TOFCh. 18 - Prob. 1TYCCh. 18 - Examine the anatomical relationship between the...Ch. 18 - Prob. 3TYCCh. 18 - Prob. 4TYCCh. 18 - Prob. 5TYC
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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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