Ehrlichiosis, Rocky Mountain Spotted Fever, dengue fever, and tularemia are all infectious diseases of the cardiovascular system. What feature do they have in common?
A. They are all transmitted by arthropod vectors.
B. People with immune deficiencies are especially susceptible to these diseases.
C. They are all endemic in the mountain states in the western U.S.
D. The causative agent of each of these diseases is a bacterium.
Answer: A
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Which type of epithelial cells act in absorption and secretion?
a. Columnar and stratified squamous b. Columnar and cuboidal c. Simple squamous and columnar d. Cuboidal and simple squamous e. Stratified squamous and columnar
With which of the following chemicals do
white blood cells communicate with each other?
a. complement proteins b. cytokine c. hydrogen peroxide d. methicillin e. lysozyme
Which characteristic is associated with cancerous cells?
a. well-differentiated b. large nucleus compared to cytoplasm c. always encapsulated d. abnormally slow growth e. symmetrical growth
Gap 1 of the cell cycle represents the time when the cell is doing what its suppose to do as part of its cell type. in other words, that is when a liver cell is doing it function as a liver cell.
a. true b. false