Chapter 21- Parasitic Infections

Chapter 21- Parasitic Infections

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1.
Humans develop malaria after the injection of
Plasmodium ____________________ into the
bloodstream by an infected female Anopheles
mosquito when she takes a blood meal.
A) male and female gametocytes
B) schizonts
C) sporozoites
D) trophozoites
2.
These Plasmodium life cycle stages must be
ingested by a female Anopheles mosquito for
the Plasmodium life cycle to continue in the
mosquito.
A) male and female gametocytes
B) schizonts
C) sporozoites
D) trophozoites
3. Which of the following protozoal diseases is
not transmitted via an arthropod vector?
A) African trypanosomiasis
B) American trypanosomiasis
C) babesiosis
D) giardiasis
4.
Which of the following protozoal diseases is
least likely to be transmitted via blood
transfusion?
A) American trypanosomiasis
B) babesiosis
C) malaria
D) trichomoniasis
5.
Which of the following protozoal diseases is
least likely to be transmitted via an infected
food handler who fails to wash his or her
hands after using the bathroom?
A) amebiasis
B) cryptosporidiosis
C) giardiasis
D) toxoplasmosis

Answer Key
1. C
2. A
3. D
4. D
5. D