answer

watching

views

22 Oct 2018

Do the Rickettsia bacteria harm or injure the tick or mite host, as we see in lice and Typhus?

answer

watching

views

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Jarrod RobelLv2

23 Oct 2018

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Related questions

An 85-year-old man arrives one summer morning at the clinic of his Florida retirement community with severe headache, chills, muscle pain, and nausea. He reports that the symptoms developed quite suddenly. He has had no rash. During the interview the man states that he is a World War II veteran of the battle for Guadalcanal in the South Pacific, a golfer, and an avid bird watcher who spends many hours in the woods near his home. He had not noticed any fleas, ticks, or lice on his body, but he had been almost âeaten aliveâ by chiggers. His cat had a few fleas, but he had âgotten the little buggers.â He had not been out of the United States in 40 years.

Part A

What disease is this man most likely to have?

Part B

What vector is implicated in the spread of the disease in this clinical case?

Part C

What is the treatment of choice for this disease?

Part D

What diagnostic test could be used to verify the diagnosis?

immunofluorescent antibody stain of a blood smear from this patient

aerum creatinine test

serum IgG antibodies to this disease agent

Gram stain of blood

Part E

How would you know if you were âeaten aliveâ by chiggers?

anemia

intense swelling and blue discoloration of the lower legs

difficulty breathing

intense itching, especially of the feet and legs

How bacteria or viruses trigger inflammation, what happens during inflammation, and how this can both benefit and harm the host?

indigohound570

Popular science features on wildlife typically capture cameraimages using natural light, or high-speed exposures. This is notpossible where the ambient light is extremely poor. E.g. Caves,Undersea

For beings accustomed to the stygian dark, the high illuminationfor a video camera and/or the flash of a still camera could both bethe equivalent of a 1" spanner wallop on the head or worse. Do we,inadvertently, injure the local ecosystem this way?