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EXERCISE 1 - Serodiagnosis of Infectious Disease
1. Define serum titer.2. What are acute and convalescent sera? Why must both be tested to make a serological diagnosis of infectious disease?3. What is the difference between an agglutination test and a precipitation test?4. In a paired serum sample, what test results indicate recent infection?5. What is a humoral antibody?
EXERCISE 2 - Culturing Microorganisms from the Environment
1. Why do microbiologists wear laboratory coats? Did you confirm that this is necessary?2. Why is it necessary to wear clean, protective clothing when caring for a patient?3. Why should hair be kept clean and out of the way when caring for patients?4. How can the number of microorganisms in the environment be controlled?5. When and why is hand washing important in patient care?6. How can those who care for patients avoid spreading microorganisms among them?
EXERCISE 3 - Staphylococci
1. Differentiate the microscopic morphology of staphylococci and streptococci as seen by Gram stain.2. What are the two types of staphylococcal coagulase?3. What is protein A? Describe one method of detecting it.4. What properties of S. aureus distinguish it from S. epidermidis and S. saprophyticus?5. Why are staphylococcal infections frequent among hospital patients?
malaria is one of the leading infectious disease in the world today. it causes 1-3 million deaths in children aged 1-5
The absorbance A of a solution is defined as A=log 10 (Io/I) in which Io is the incident light intensity and I is the transmitted light intensity.
a human red blood cell has a membrane surface area of about 81microm2 and a membrane thickness of about 110 aordm. if
Explain whether the inflammation a natural immune response? Explain if it is a bad thing? Why or why not? Describe in your own words the inflammatory process.
If Penicillium typically secretes penicillin without disturbing the lichen relationship in which it is engaged, then what should have been true about its partner.
A sample of h2O with a mass of 46 0 grams has a tempeture of -58 0 celsiuse how various joules of energy are necessary to heat the stream of 100 0 celsiuse to 114 o celsiuse if specific heat of steam is 2 01 g celsiuse.
What is cloning's MOST IMPORTANT impact on psychology? Cloning could cause mental illness. Cloning has no impact on psychology. Cloning might be used for cures for diseases of the nervous system. Cloning may cross the lines into creating human life.
About how many ATP molecules are synthesized and used each second in a typical cell in your body? About how many ribosomes are present in an average eukaryotic cell, and roughly how many new proteins can be finished by the cell each second?
Determine what effect does cooling have on the amplitude of the pulse wave? Does cooling of the forearm affect the heart rate, or the time interval between the R wave and the peak of the pulse wave.
Individuals with cystic fibrois produce very salty sweat and have thick mucus in the linings of their lungs and air passages. Explain how an abnormal CFTR protein accounts for these symptoms.
A plant line with reduced fertility comes to attention of a plant breeder who observes that seed pods often contain a mixture of viable seeds that can be planted to create new plants.
What lands and observations inspired Darwin to develop his theory of evolution? How does the concept of natural selection explain variations in species descended from a common ancestor?
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