PATHOLOGY MCQ
PARASITIC DISEASES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Insects
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Arachnids
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Either A or B
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None of the above
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Detailed explanation-1: -Ticks (order Ixodida) are parasitic arachnids that are part of the mite superorder Parasitiformes. Adult ticks are approximately 3 to 5 mm in length depending on age, sex, species, and “fullness". Ticks are external parasites, living by feeding on the blood of mammals, birds, and sometimes reptiles and amphibians.
Detailed explanation-2: -Ticks are actually classified as arachnids, or relatives of spiders, scorpions and mites. If you look closely at a tick when identifying it, it kind of resembles a spider with its four pairs of legs and lack of antennae.
Detailed explanation-3: -Ticks are arthropods belonging to the Class Arachnida. They can be further classified as hard ticks (suborder Ixodida) or soft ticks (suborder Argasidae).
Detailed explanation-4: -All arachnids belong to a subphylum (a division of Arthropoda) known as the Chelicerata, of which there are approximately 65, 000 described species ( 8, 000 in North America). They are characterized by having two body regions, a cephalothorax and an abdomen.