Biology ยท General Awareness

Disease Vectors and Pathogens

820 Questions

Disease vectors and pathogens examine how organisms like Plasmodium and Leishmania transmit infections. Test items require matching vectors to specific diseases. Studying these life cycles is essential for scoring well.

Plasmodium infective stagesDisease transmission modesDisease vectors and fleasIntracellular parasitesElephantiasis causes

Disease Vectors and Pathogens Questions

Multiple choice

Which of the following diseases was prevalent in Ancient Egypt?

  1. Malaria

  2. Smallpox

  3. Tuberculosis

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Malaria, smallpox, and tuberculosis were prevalent diseases in Ancient Egypt.

Multiple choice

Which of the following is a parasitic disease transmitted by ticks and causes babesiosis in cattle?

  1. Anaplasmosis

  2. Theileriosis

  3. Trypanosomiasis

  4. Babesiosis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Babesiosis is a parasitic disease transmitted by ticks, causing destruction of red blood cells and leading to anemia and weakness in cattle.

Multiple choice

Which of these is a parasitic disease transmitted by mosquitoes and causes Heartworm Disease in dogs?

  1. Roundworms

  2. Hookworms

  3. Tapeworms

  4. Heartworms
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Heartworm Disease is caused by Dirofilaria immitis, a parasitic worm transmitted by mosquitoes, which can lead to severe lung disease and heart failure in dogs.

Multiple choice

Which of the following is a common internal parasite of dogs and cats?

  1. Heartworm

  2. Hookworm

  3. Tapeworm

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Heartworms, hookworms, and tapeworms are all common internal parasites that can infect dogs and cats.

Multiple choice

Which of the following is a common external parasite of dogs and cats?

  1. Fleas

  2. Ticks

  3. Mites

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fleas, ticks, and mites are all common external parasites that can infest dogs and cats.

Multiple choice

What is the primary mode of transmission for heartworm disease in dogs?

  1. Ingestion of contaminated food or water

  2. Direct contact with an infected animal

  3. Bite of an infected mosquito

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Heartworm disease is primarily transmitted through the bite of an infected mosquito.

Multiple choice

What were some of the diseases that were transferred from the Americas to Europe?

  1. Syphilis, yaws, and pinta.

  2. Chagas disease, leishmaniasis, and malaria.

  3. Dengue fever, yellow fever, and Zika virus.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Some of the diseases that were transferred from the Americas to Europe include syphilis, yaws, pinta, Chagas disease, leishmaniasis, malaria, dengue fever, yellow fever, and Zika virus. These diseases had a significant impact on the health of Europeans, and they continue to be a major public health concern today.

Multiple choice

Which of the following diseases is caused by a protozoan that is transmitted by tsetse flies?

  1. African sleeping sickness

  2. Chagas disease

  3. Leishmaniasis

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

African sleeping sickness is caused by a protozoan that is transmitted by tsetse flies.

Multiple choice

Which type of microorganism is responsible for causing malaria?

  1. Bacteria

  2. Viruses

  3. Fungi

  4. Protists
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Malaria is caused by a protist, specifically a protozoan called Plasmodium.

Multiple choice

Which waterborne disease is caused by the protozoan Giardia lamblia?

  1. Giardiasis

  2. Cryptosporidiosis

  3. Amebiasis

  4. Toxoplasmosis
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Giardiasis is a diarrheal disease caused by the protozoan Giardia lamblia and is transmitted through contaminated water or food.

Multiple choice

What is the primary vector for the transmission of malaria?

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Sandflies
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Malaria is primarily transmitted through the bites of infected female Anopheles mosquitoes.

Multiple choice

Which of the following is a common vector for the transmission of Lyme disease?

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Sandflies
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lyme disease is primarily transmitted through the bite of infected blacklegged ticks (Ixodes scapularis).

Multiple choice

Which of the following is an example of a vector-borne disease?

  1. Influenza

  2. Measles

  3. Malaria

  4. Common cold
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Malaria is a vector-borne disease, meaning it is transmitted by a vector, such as a mosquito.

Multiple choice

What is the primary vector for the transmission of dengue fever?

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Sandflies
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dengue fever is primarily transmitted through the bites of infected Aedes mosquitoes.

Multiple choice

What is the primary vector for the transmission of yellow fever?

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Sandflies
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yellow fever is primarily transmitted through the bites of infected Aedes mosquitoes.