EBK ANATOMY & PHYSIOLOGY
5th Edition
ISBN: 9780321888013
Author: Hoehn
Publisher: VST
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Chapter 26, Problem 36CYU
Summary Introduction
To review:
The gonadal hormone which is responsible for the epiphyseal closure in both males and females.
Introduction:
The reproductive hormones plays an important role in the regulation of growth in both male and females. Two most important hormones which acts as generators of sexual activity are estrogen and testosterone in female and male respectively. These gonadal steroids (estrogen and testosterone) when secreted at puberty promotes growth by increasing the secretions of growth hormone (GH). But these hormones subsequently also causes the epiphyseal closure.
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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.
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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 26 Solutions
EBK ANATOMY & PHYSIOLOGY
Ch. 26 - What are the two major functions of the testes?Ch. 26 - Which of the tubular structures shown in Figure...Ch. 26 - Muscle activity and the pampiniform venous plexus...Ch. 26 - What is the function of the erectile tissue of the...Ch. 26 - Name the organs of the male duct system in order,...Ch. 26 - What are two functions of the stereocilia on the...Ch. 26 - Which accessory organ of the male duct system runs...Ch. 26 - Adolph, a 68-year-old gentleman, has trouble...Ch. 26 - Prob. 9CYUCh. 26 - What is semen?
Ch. 26 - What is erection and which division of the ANS...Ch. 26 - Prob. 12CYUCh. 26 - What is the final outcome of meiosis?Ch. 26 - Describe the major structural and functional...Ch. 26 - Prob. 15CYUCh. 26 - What is the HPG axis?Ch. 26 - Prob. 17CYUCh. 26 - What are three secondary sex characteristics...Ch. 26 - Briefly, what are the internal genitalia of a...Ch. 26 - What two roles do the ovaries assume?Ch. 26 - Prob. 21CYUCh. 26 - Prob. 22CYUCh. 26 - Oocytes are ovulated into the peritoneal cavity...Ch. 26 - What portion of the female duct system is the...Ch. 26 - What is the female homologue of the bulbo-urethral...Ch. 26 - Cite similarities and differences between the...Ch. 26 - Developmentally, mammary glands are modifications...Ch. 26 - From what cell types does breast cancer usually...Ch. 26 - How do the haploid cells arising from oogenesis...Ch. 26 - How do identical twins differ developmentally from...Ch. 26 - What occurs in the luteal phase of the ovarian...Ch. 26 - Which hormone plays an important role in letting...Ch. 26 - Which hormone(s) prompt follicle growth? Which...Ch. 26 - Which gonadal hormone exerts positive feedback on...Ch. 26 - Which gonadal hormone causes the secondary sex...Ch. 26 - Prob. 36CYUCh. 26 - Which pathogen is most associated with cervical...Ch. 26 - What is the most common bacterial STI in the...Ch. 26 - The structures that draw an ovulated oocyte into...Ch. 26 - The usual site of embryo implantation is (a) the...Ch. 26 - The male homologue of the female clitoris is (a)...Ch. 26 - Which of the following is correct relative to...Ch. 26 - Secondary sex characteristics are (a) present in...Ch. 26 - Which of the following produces the male sex...Ch. 26 - Which will occur as a result of nondescent of the...Ch. 26 - The normal diploid number of human chromosomes is...Ch. 26 - Relative to differences between mitosis and...Ch. 26 - Match the key choices with the descriptive phrases...Ch. 26 - The menstrual cycle can be divided into three...Ch. 26 - Spermatozoa are to seminiferous tubules as oocytes...Ch. 26 - Which of the following does not add a secretion...Ch. 26 - The corpus luteum is formed at the site of (a)...Ch. 26 - The sex of a child is determined by (a) the sex...Ch. 26 - FSH is to estrogens as estrogens are to (a)...Ch. 26 - Prob. 17RQCh. 26 - Describe the major structural (and functional)...Ch. 26 - Oogenesis in the female results in one functional...Ch. 26 - Define menarche. What does it indicate?Ch. 26 - Trace the pathway of a sperm from the male testes...Ch. 26 - Prob. 22RQCh. 26 - Both the epithelium of the vagina and the cervical...Ch. 26 - Some anatomy students were saying that the...Ch. 26 - A man swam in a cold lake for an hour and then...Ch. 26 - Prob. 1CCSCh. 26 - Prob. 2CCSCh. 26 - Prob. 3CCSCh. 26 - Prob. 4CCS
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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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