Author Question: The nurse knows which of the following facts to be true of human lice? a. They require human ... (Read 52 times)

NClaborn · **on:** Jul 24, 2018

The nurse knows which of the following facts to be true of human lice?

a. They require human blood to survive.
b. They can exist away from their host for no more than 48 hours.
c. New eggs hatch within days to yield another generation.
d. They are highly contagious airborne vectors.

Question 2

Which of the following drug classifications has been found to be effective in treating giardiasis?

a. tetracyclines c. folic acid antagonists
b. anthelmintics d. quinines

TheNamesImani · **Reply #1 on:** Jul 24, 2018

Answer to Question 1

ANS: A

Feedback
A Correct: Human lice require a blood supply to survive. They prefer hairy areas that have good blood supply.
B Incorrect: Human lice cannot live away from their food source.
C Incorrect: Eggs are laid once the female louse comes in contact with the host.
D Incorrect: They are transmitted through direct contact.

Answer to Question 2

ANS: A

Feedback
A Correct: Tetracyclines have been shown to be effective against giardia lamblia.
B Incorrect: Anthelmintic agents are used to treat intestinal worms.
C Incorrect: Folic acid antagonists are used to treat Plasmodium.
D Incorrect: Quinines are used to treat malaria.