Biology ยท General Awareness

Disease Vectors and Pathogens

844 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

What was the name of the rat that carried the Black Death?

  1. Rattus rattus

  2. Rattus norvegicus

  3. Mus musculus

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

The Black Death was carried by the black rat, Rattus rattus.

Multiple choice

Which of the following foods is most likely to contain Listeria monocytogenes?

  1. Raw milk

  2. Soft cheeses

  3. Deli meats

  4. Fresh fruits and vegetables
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Soft cheeses are most likely to contain Listeria monocytogenes because they are made with unpasteurized milk.

Multiple choice

Which of the following foods is most likely to contain Salmonella?

  1. Eggs

  2. Chicken

  3. Beef

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

Eggs are most likely to contain Salmonella because they can be contaminated with the bacteria from the hen's reproductive tract.

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 viral disease that causes Feline Leukemia?

  1. Feline Immunodeficiency Virus

  2. Feline Herpesvirus

  3. Feline Calicivirus

  4. Feline Leukemia Virus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Feline Leukemia is caused by the Feline Leukemia Virus, a retrovirus that can lead to various health issues in cats, including anemia, immunosuppression, and increased risk of developing certain types of cancer.

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

What is the function of the capsid in a virus?

  1. Protection

  2. Attachment

  3. Penetration

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

The capsid in a virus provides protection, attachment, and penetration.

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 virus that is transmitted by bats?

  1. Ebola

  2. Rabies

  3. Nipah virus

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

Ebola, rabies, and Nipah virus are all caused by viruses that are transmitted by bats.

Multiple choice

Which of the following diseases is caused by a bacteria that is transmitted by rodents?

  1. Plague

  2. Leptospirosis

  3. Hantavirus

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

Plague, leptospirosis, and hantavirus are all caused by bacteria that are transmitted by rodents.

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 of the following diseases is caused by a virus that is transmitted through contact with water?

  1. Hepatitis A

  2. Rotavirus

  3. Norovirus

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

Hepatitis A, rotavirus, and norovirus are all caused by viruses that are transmitted through contact with water.