ANATOMY+PHYSIOLOGY
4th Edition
ISBN: 9781260265217
Author: McKinley
Publisher: RENT MCG
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Chapter 17.10, Problem 28WDYL
Summary Introduction
To analyze:
The reason behind the pancreas being called both an exocrine and endocrine gland.
Introduction:
The pancreas is one of the primary organs associated with the process of digestion. This organ is also involved in the secretion of hormones. This is located on the dorsal side of the stomach.
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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 17 Solutions
ANATOMY+PHYSIOLOGY
Ch. 17.1 - Prob. 1WDYLCh. 17.1 - Prob. 2WDYLCh. 17.1 - Prob. 3WDYLCh. 17.2 - Prob. 4WDYLCh. 17.2 - Prob. 5WDYLCh. 17.3 - Identify which of the following hormone categories...Ch. 17.3 - What two events or processes associated with a...Ch. 17.3 - Prob. 8WDYLCh. 17.4 - Why are carrier proteins necessary for...Ch. 17.4 - What is the added benefit of a carrier protein?
Ch. 17.4 - What is the relationship of hormone synthesis to...Ch. 17.5 - Where are lipid-soluble hormone receptors located?...Ch. 17.5 - Prob. 13WDYLCh. 17.6 - How does down-regulation of cellular receptors...Ch. 17.6 - What effects are seen when hormones act...Ch. 17.7 - What is the anatomic connection between the...Ch. 17.7 - Prob. 17WDYLCh. 17.7 - Prob. 18WDYLCh. 17.7 - Prob. 19WDYLCh. 17.7 - Prob. 20WDYLCh. 17.8 - Prob. 21WDYLCh. 17.8 - What is the relationship of TRH, TSH, and TH in...Ch. 17.8 - What are the primary target organs/issues of TH?...Ch. 17.8 - Prob. 24WDYLCh. 17.9 - Prob. 25WDYLCh. 17.9 - Prob. 26WDYLCh. 17.9 - Prob. 27WDYLCh. 17.10 - Prob. 28WDYLCh. 17.10 - Prob. 29WDYLCh. 17.10 - Prob. 30WDYLCh. 17.10 - Prob. 31WDYLCh. 17.11 - Prob. 32WDYLCh. 17.11 - Prob. 33WDYLCh. 17.11 - Prob. 34WDYLCh. 17.11 - Prob. 35WDYLCh. 17.12 - Prob. 36WDYLCh. 17 - Prob. 1DYKBCh. 17 - This hormones primary function is to regulate...Ch. 17 - Which of the following are components of...Ch. 17 - A hormone released from the anterior pituitary is...Ch. 17 - Prob. 5DYKBCh. 17 - Prob. 6DYKBCh. 17 - Glucagon has an __________ effect to insulin on...Ch. 17 - Glucocorticoids (e.g., cortisol) are produced in...Ch. 17 - Thyroid-stimulating hormone stimulates the a....Ch. 17 - Prob. 10DYKBCh. 17 - Prob. 11DYKBCh. 17 - Prob. 12DYKBCh. 17 - Explain the three mechanisms used to stimulate...Ch. 17 - Identify the three chemical classes of hormones,...Ch. 17 - Describe how local hormones differ from...Ch. 17 - Explain the function of carrier proteins in...Ch. 17 - Describe how water-soluble hormones interact with...Ch. 17 - Explain how the hypothalamus oversees and controls...Ch. 17 - Explain how the hypothalamus oversees and controls...Ch. 17 - Discuss the homeostatic system involving insulin.Ch. 17 - George is a 43-year-old construction worker who...Ch. 17 - What is the best diagnostic test to determine if...Ch. 17 - Jelena is late for work and is rushing to get out...Ch. 17 - Blood samples from a young woman named Michelle...Ch. 17 - Stephen is taking a new weight-loss supplement...Ch. 17 - Prob. 1CSLCh. 17 - Prob. 2CSLCh. 17 - Henry is a well-informed patient who is interested...
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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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