Q. What is the incubation period for smallpox?
-
A.
1-3 days
-
B.
7-17 days
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C.
21-28 days
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D.
30-40 days
Solution
The incubation period for smallpox is typically 7-17 days before symptoms appear.
Correct Answer:
B
— 7-17 days
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Q. What is the main mode of transmission for smallpox?
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A.
Airborne droplets
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B.
Fecal-oral route
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C.
Vector-borne
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D.
Direct contact with lesions
Solution
Smallpox is primarily transmitted through direct contact with the lesions of an infected person.
Correct Answer:
D
— Direct contact with lesions
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Q. What is the primary clinical manifestation of molluscum contagiosum, a poxvirus infection?
-
A.
Fever
-
B.
Pustular rash
-
C.
Fleshy nodules
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D.
Ulcerations
Solution
Molluscum contagiosum is characterized by the presence of fleshy nodules on the skin.
Correct Answer:
C
— Fleshy nodules
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Q. What is the primary disease caused by the variola virus, a member of the Poxviridae family?
-
A.
Chickenpox
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B.
Smallpox
-
C.
Measles
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D.
Shingles
Solution
The variola virus is responsible for smallpox, a highly contagious disease characterized by fever and a distinctive skin rash.
Correct Answer:
B
— Smallpox
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Q. What is the primary vector for the transmission of enteroviruses, which are part of the Picornaviridae family?
-
A.
Mosquitoes
-
B.
Ticks
-
C.
Contaminated food and water
-
D.
Airborne particles
Solution
Enteroviruses are primarily transmitted through contaminated food and water.
Correct Answer:
C
— Contaminated food and water
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Q. Which of the following diseases is NOT caused by a virus from the Picornaviridae family?
-
A.
Poliomyelitis
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B.
Hepatitis A
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C.
Smallpox
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D.
Hand, foot, and mouth disease
Solution
Smallpox is caused by the variola virus, which is part of the Poxviridae family, not Picornaviridae.
Correct Answer:
C
— Smallpox
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Q. Which of the following is a characteristic feature of poxvirus infections?
-
A.
Rash with vesicles
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B.
High fever
-
C.
Cough
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D.
Nausea
Solution
Poxvirus infections typically present with a rash that develops into vesicles.
Correct Answer:
A
— Rash with vesicles
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Q. Which vaccine was developed to eradicate smallpox?
-
A.
MMR vaccine
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B.
Polio vaccine
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C.
Smallpox vaccine
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D.
Influenza vaccine
Solution
The smallpox vaccine was specifically developed to eradicate smallpox.
Correct Answer:
C
— Smallpox vaccine
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Q. Which virus is known to cause hand, foot, and mouth disease and belongs to the Picornaviridae family?
-
A.
Coxsackievirus
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B.
Vaccinia virus
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C.
Variola virus
-
D.
Herpes simplex virus
Solution
Coxsackievirus is a member of the Picornaviridae family and is known to cause hand, foot, and mouth disease.
Correct Answer:
A
— Coxsackievirus
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