Your patient becomes sick due to an infection by the influenza virus and now has the flu. The cells which would most directly lyse virally infected host cells in this case are ____. These cells mature in the _____.
A. T cells, bone marrow
B. B cells, thymus
C. T cells, lymph nodes
D. B cells, spleen
E. T cells, thymus
E. T cells, thymus
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A public health official was asked to speak about immunizations during a civic group luncheon. One parent asked if rubella was still a problem. In answering the question, the official cautioned women planning to have another child to have their present
to have another child to have their present children immunized against rubella. Why did the official make this statement to the group? A. Rubella is spread very easily by respiratory secretions and is largely asymptomatic. However, it can cause birth defects/stillbirth in pregnant women. Women with other children would want to prevent these children from acquiring the virus before attempting to conceive a new child in order to protect the fetus. B. Rubella is passed very easily between children, so the official was trying to protect the child that would soon be born from this infection that might be brought in by its siblings after it was born. C. The official is getting kickbacks and bribes from the companies making the vaccines, and he's trying to pad his pockets by getting as many people immunized as possible, regardless of whether they need it or not. D. Rubella infections often lead to very serious and potentially fatal complications. While a woman is pregnant, she may not be able to take care of a sick child as easily. The vaccine will prevent the child already in the family from falling ill and potentially dying due to these possible complications.
You are a botanist surveying a previously unstudied island. You discover a plant that has large blue
flowers and a woody fruit. Into which group should you classify this plant?
a. Gnetophytes b. seed plants c. gymnosperms d. angiosperms e. cycads
Tay-Sachs disease is a genetic disorder in which fat deposits build up in nerve cells of the brain, leading to a slow loss of function. Because this disease usually strikes children under 1 year of age, the symptoms are not immediately apparent. Think
about the symptoms that this condition would cause. List some that you think are possible. What would be the inevitable end result as the disease progresses? What will be an ideal response?
The parasitic disease, caused by an apicomplexan that involves infected cats in its life cycle is
A. cyclosporiasis. B. toxoplasmosis. C. babesiosis. D. cryptosporidiosis. E. None of the choices are correct.