Which disease is communicable and paralyzes muscles as early as six hours from exposure?
Botulism
Malaria
Lyme disease
West Nile virus
The Correct Answer is A
A. Botulism:
Botulism (caused by Clostridium botulinum) is a communicable disease that produces a toxin leading to rapid muscle paralysis, often starting within 6 hours of ingestion.
B. Malaria:
Malaria is a parasitic disease transmitted by mosquitoes that causes fever, chills, and anemia, not muscle paralysis.
C. Lyme disease:
Lyme disease, caused by Borrelia burgdorferi from tick bites, leads to joint pain, neurologic symptoms, and erythema migrans, but not acute paralysis.
D. West Nile virus:
West Nile virus can cause encephalitis and muscle weakness, but the paralysis onset is usually slower, not typically within 6 hours.
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Related Questions
Correct Answer is B
Explanation
A. Diverticulitis:
Diverticulitis affects the large intestine, not causing anal pruritus or bleeding directly.
B. Hemorrhoids:
Postpartum hemorrhoids are common due to pressure during pregnancy and delivery, causing dilated rectal veins, bleeding, itching, and discomfort.
C. Gastroenteritis:
Gastroenteritis causes nausea, vomiting, diarrhea, but not localized rectal vein problems.
D. Diverticulosis:
Diverticulosis is the presence of diverticula in the colon, often asymptomatic unless inflamed (diverticulitis).
Correct Answer is A
Explanation
A. An intervening sequence that does not encode for proteins:
Introns are non-coding sequences within a gene that are removed during RNA splicing before translation.
B. The portion of the transcript that encodes for protein:
This describes an exon, not an intron.
C. A person with a recessive allele that the dominant allele silences:
This describes a carrier in genetics, not an intron.
D. One of a pair of genes that is inherited from a parent:
This describes an allele, not an intron.
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