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Carl Casill is a 75 year old male with chronic bronchitis has a barrel chest and cyanosis of the lips and fingers. His pulse oximeter reads 86% oxygenation on room air. His PaO2 is 54 mm Hg. His PaCO2 is 56 mm Hg.He is put on low-flow oxygen but complains of shortness of breath. His wife turns the O2 up to 6 liters/ minute. He is found unresponsive, Respiratory Rate = 4 per minute, with a PaCO2 of 79 mm Hg and a blood pH of 7.2.a. Analyze his ABGs: is the initial PaO2 high or low? PaCO2 high or low?b. What happened to the pH? Why?c. He went into a coma because of the change in oxygenation of his blood. Why would that trigger the mental status change and low RR (hint: consider his diagnosis and what drives his breathing) ?d. What caused him to have a barrel chest?e. Explain the mechanism of chronic bronchitis.
How does the total number of replication origins in bacterial cells compare with the number of origins in human cells?
Think about the nature of negative-feedback control and the function of the respiratory system, what effect do you predict that a decrease in CO2 in the internal environment would have on how rapidly and deeply a person breathes?
In forensic analysis using STR systems, up to 16 different loci can be tested in a single PCR reaction. Why is it important for forensic analysis that each locus being tested is present on a different chromosome? Ideas are justified.
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Suppose that H,I,J,K, and L represent alleles for the autosomal gene on different chromosomes. if a mating occurs between the individuals with the given genotypes: HHIiJjKKLI X HhIiJJkkLl
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What is the possibility that the son would have both the Xg antigen and ichthyosis. Why is the man a major candidate for a heart attack.
how would you clone and sequence the suppressor gene. For B explain how you would obtain the mouse sequence, how you would generate the knockout construct, how you would make the knock out mouse and how you would evaluate the reliability of the mo..
The incidence of myopia (nearsightedness) is increasing in humans. If enough people have lasik surgery to correct their eyesight, after many generations what will happen to the proportion of people with myopia? a. decrease b. remain approximately..
In the fungus Neurospora, the td+ allele is needed for the cells to build the amino acid tryptophan. The mutant allele td results in an inability of the fungus to make its own trp,
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