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Microbiology

Short Answer

MicrobiologyShort Answer

Short Answer

46.

Briefly describe the defenses of the brain against trauma and infection.

47.

Describe how the blood-brain barrier is formed.

48.

Identify the type of cell shown, as well as the following structures: axon, dendrite, myelin sheath, soma, and synapse.

Drawing of a neuron. The large round regions with a darker purple circle is A. Short projections from A are G. A long projection from A is B. This is wrapped in structure E and has gaps labeled F. E is made from C. The end of the long projection is D.
49.

A physician suspects the lesion and pustule pictured here are indicative of tuberculoid leprosy. If the diagnosis is correct, what microorganism would be found in a skin biopsy?

Discolored tissue.
Figure 26.28 (credit: Centers for Disease Control and Prevention)
50.

Explain how a person could contract variant Creutzfeldt-Jakob disease by consuming products from a cow with bovine spongiform encephalopathy (mad cow disease).

51.

Why do nervous system infections by fungi require such long treatment times?

52.

Briefly describe how humans are infected by Naegleria fowleri.

53.

Briefly describe how humans can develop neurocysticercosis.

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