EXERCISES, LESSON 1
INSTRUCTIONS. Answer the following exercises by marking the lettered response that
best answers the question, by completing the incomplete statement, or by writing the
answer in the space provided at the end of the question.
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
1.
Ticks are medically important because they transmit:
a. Scrub typhus.
b. Rocky Mountain spotted fever.
.
c.
Yaws.
l
d. Trachoma.
2.
Which of the following transmit disease mechanically?
a. Lice.
b. Fleas.
c.
Ticks.
d. FIies.
3.
Mosquitoes have four distinct stages in their Iife cycle. In the order that they occur
are:
a. Egg, larva, pupa, and, adult.
b. Egg, larva, nymph, and adult.
c.
Egg, pupa, larva, and adult.
d. Egg, nymph, larva, and adult.
.
'
MD0170
1-26
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