Tick-Borne Diseases Quiz

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What is the main mode of transmission of Theileria?

Stage to stage transmission (correct)

Airborne transmission

Direct contact between animals

Waterborne transmission

Which cell type is primarily infected during the schizogony stage of Theileria in the vertebrate host?

Red blood cells

Platelets

Lymphocytes (correct)

Neutrophils

What is the significance of infecting red blood cells (RBCs) in the pathogenesis of Theileria?

It enhances transmission to the vector (correct)

It leads to joint inflammation

It causes fever in the host

It has no impact on the disease progression

Which stage of Theileria life cycle occurs in the tick's midgut?

Gametogony Signup and view all the answers

What differentiates Theileriosis (East Coast Fever) from other tick-borne diseases?

Transovarian transmission Signup and view all the answers

What is the key factor that influences the severity of Theileria infection in imported animals?

Genetic resistance Signup and view all the answers

What is the main clinical sign of Theileriosis?

Fever above 42°C Signup and view all the answers

Which species of Theileria causes East Coast fever in Eastern and Southern Africa?

T.parva Signup and view all the answers

Which region is affected by tropical theileriosis caused by T.annulata?

North Africa Signup and view all the answers

What is a significant factor that influences the pathogenesis of Theileria?

Age and condition of the host Signup and view all the answers

Which is the only species of economic significance infecting small ruminants?

T.hirci Signup and view all the answers

What can be the mortality rate in fully susceptible cattle with Theileriosis?

Nearly 100% Signup and view all the answers

Which of the following statements about Anaplasma is correct?

They multiply through binary fission and are transmitted from RBCs to another through intercellular bridges. Signup and view all the answers

Which species of Anaplasma is known to cause malignant anaplasmosis in cattle?

Anaplasma marginale Signup and view all the answers

What is the primary mode of transmission for Anaplasma species?

Transmitted by hard ticks Signup and view all the answers

Which of the following statements about the pathogenesis of anaplasmosis is correct?

The acute phase is characterized by marked anemia and petechial hemorrhages, especially on the mucous membranes. Signup and view all the answers

Which of the following Anaplasma species primarily affects sheep and goats?

Anaplasma ovis Signup and view all the answers

Where are Anaplasma organisms typically located within the infected red blood cells (RBCs)?

Near the center or margin of RBCs Signup and view all the answers

Tick-Borne Diseases Quiz

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Questions and Answers

What is the main mode of transmission of Theileria?

Which cell type is primarily infected during the schizogony stage of Theileria in the vertebrate host?

What is the significance of infecting red blood cells (RBCs) in the pathogenesis of Theileria?

Which stage of Theileria life cycle occurs in the tick's midgut?

What differentiates Theileriosis (East Coast Fever) from other tick-borne diseases?

What is the key factor that influences the severity of Theileria infection in imported animals?

What is the main clinical sign of Theileriosis?

Which species of Theileria causes East Coast fever in Eastern and Southern Africa?

Which region is affected by tropical theileriosis caused by T.annulata?

What is a significant factor that influences the pathogenesis of Theileria?

Which is the only species of economic significance infecting small ruminants?

What can be the mortality rate in fully susceptible cattle with Theileriosis?

Which of the following statements about Anaplasma is correct?

Which species of Anaplasma is known to cause malignant anaplasmosis in cattle?

What is the primary mode of transmission for Anaplasma species?

Which of the following statements about the pathogenesis of anaplasmosis is correct?

Which of the following Anaplasma species primarily affects sheep and goats?

Where are Anaplasma organisms typically located within the infected red blood cells (RBCs)?

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