Answer the following statements true (T) or false (F)
1. Gangrene is always caused by a bacterium.
2. Trachoma, Rocky Mountain spotted fever, and ehrlichiosis are all caused by obligate intracellular pathogens.
3. a-Hemolytic streptococci of oral origin and Staphylococcus epidermidis are common causes of subacute bacterial endocarditis (SBE).
4. Haemophilus influenzae is the most common cause of influenza.
5. Meningitis can be caused by a virus, a bacterium, a fungus, or a protozoan.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. TRUE
You might also like to view...
Which of the following IS a characteristic of an isoenzyme?
A) More than one enzyme is regulated by the same mechanism. B) The same reaction can be catalyzed by multiple enzyme variants. C) Multiple binding sites on the same enzyme enable multiple regulation mechanisms. D) More than one gene makes the same enzyme.
The important solvent associated with living things is ________.
A. sodium chloride B. benzene C. water D. ethyl alcohol E. carbon dioxide
What are chylomicrons?
a. bile-secreting cells in the liver b. ciliated structures in the small intestines c. spheres of protein-coated triglycerides d. microflora in the colon that aid digestion
Varicose veins are the result of:
a. excessive blood volume b. torn walls of veins c. slow blood movement d. damaged valves e. excessive exercise