Questions and Answers
What characterizes the rash associated with Rocky Mountain spotted fever?
Which vector is responsible for transmitting Typhus?
Which of the following diseases is not caused by a vector?
What type of inclusions would you expect to find in the cytoplasm of monocytes in a patient with Ehrlichiosis?
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Which symptom is NOT associated with Q fever?
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Which disease is most commonly associated with a rash that starts at the wrists and ankles?
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What is the primary vector for Anaplasmosis?
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Which symptom is commonly associated with Q fever?
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Which of the following statements about Typhus is correct?
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What type of inclusions are found in the cytoplasm of granulocytes in Anaplasmosis?
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What is the primary vector for Rocky Mountain spotted fever?
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Which disease is characterized by a rash that starts centrally and spreads outward, sparing the palms and soles?
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Which disease is transmitted by inhalation and not through an arthropod vector?
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What type of cells would you expect to see with morulae inclusions in a patient with Anaplasmosis?
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What is a common presentation in patients with Q fever?
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Which disease is primarily associated with a rash that starts at the wrists and ankles?
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What is the primary vector responsible for transmitting Typhus?
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Which of the following diseases does NOT have a rash as a typical presentation?
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What characteristic is associated with granulocytes in patients with Anaplasmosis?
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Which symptom is commonly presented in patients with Q fever?
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Study Notes
Common Rash Diseases
-
Rocky Mountain spotted fever
- Primarily occurs in South Atlantic states, especially North Carolina.
- Rash typically begins on wrists and ankles, then spreads to trunk, palms, and soles.
-
Typhus
- Transmitted by fleas (endemic) and human body louse (epidemic).
- Rash starts at the center of the body and spreads outward, sparing palms and soles.
Rare Rash Diseases
-
Ehrlichiosis
- Caused by ticks; characterized by monocytes containing morulae B, which are mulberry-like inclusions in the cytoplasm.
-
Anaplasmosis
- Also tick-borne; features granulocytes with morulae C in the cytoplasm.
-
Q fever
- No arthropod vector; caused by a bacterium inhaled through aerosols from cattle or sheep amniotic fluid.
- Common symptoms include headache, cough, flu-like symptoms, pneumonia, and may include hepatitis.
- Notably a cause of culture-negative endocarditis.
- Considered complicated due to lack of rash or known vector; organism can survive outside as an endospore.
- Closely related to Rickettsia but not classified within that genus.
Common Rash Diseases
-
Rocky Mountain spotted fever
- Primarily occurs in South Atlantic states, especially North Carolina.
- Rash typically begins on wrists and ankles, then spreads to trunk, palms, and soles.
-
Typhus
- Transmitted by fleas (endemic) and human body louse (epidemic).
- Rash starts at the center of the body and spreads outward, sparing palms and soles.
Rare Rash Diseases
-
Ehrlichiosis
- Caused by ticks; characterized by monocytes containing morulae B, which are mulberry-like inclusions in the cytoplasm.
-
Anaplasmosis
- Also tick-borne; features granulocytes with morulae C in the cytoplasm.
-
Q fever
- No arthropod vector; caused by a bacterium inhaled through aerosols from cattle or sheep amniotic fluid.
- Common symptoms include headache, cough, flu-like symptoms, pneumonia, and may include hepatitis.
- Notably a cause of culture-negative endocarditis.
- Considered complicated due to lack of rash or known vector; organism can survive outside as an endospore.
- Closely related to Rickettsia but not classified within that genus.
Common Rash Diseases
-
Rocky Mountain spotted fever
- Primarily occurs in South Atlantic states, especially North Carolina.
- Rash typically begins on wrists and ankles, then spreads to trunk, palms, and soles.
-
Typhus
- Transmitted by fleas (endemic) and human body louse (epidemic).
- Rash starts at the center of the body and spreads outward, sparing palms and soles.
Rare Rash Diseases
-
Ehrlichiosis
- Caused by ticks; characterized by monocytes containing morulae B, which are mulberry-like inclusions in the cytoplasm.
-
Anaplasmosis
- Also tick-borne; features granulocytes with morulae C in the cytoplasm.
-
Q fever
- No arthropod vector; caused by a bacterium inhaled through aerosols from cattle or sheep amniotic fluid.
- Common symptoms include headache, cough, flu-like symptoms, pneumonia, and may include hepatitis.
- Notably a cause of culture-negative endocarditis.
- Considered complicated due to lack of rash or known vector; organism can survive outside as an endospore.
- Closely related to Rickettsia but not classified within that genus.
Common Rash Diseases
-
Rocky Mountain spotted fever
- Primarily occurs in South Atlantic states, especially North Carolina.
- Rash typically begins on wrists and ankles, then spreads to trunk, palms, and soles.
-
Typhus
- Transmitted by fleas (endemic) and human body louse (epidemic).
- Rash starts at the center of the body and spreads outward, sparing palms and soles.
Rare Rash Diseases
-
Ehrlichiosis
- Caused by ticks; characterized by monocytes containing morulae B, which are mulberry-like inclusions in the cytoplasm.
-
Anaplasmosis
- Also tick-borne; features granulocytes with morulae C in the cytoplasm.
-
Q fever
- No arthropod vector; caused by a bacterium inhaled through aerosols from cattle or sheep amniotic fluid.
- Common symptoms include headache, cough, flu-like symptoms, pneumonia, and may include hepatitis.
- Notably a cause of culture-negative endocarditis.
- Considered complicated due to lack of rash or known vector; organism can survive outside as an endospore.
- Closely related to Rickettsia but not classified within that genus.
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Description
Test your knowledge on rickettsial diseases and vector-borne illnesses with a focus on common and rare rashes. This quiz will cover key information about the diseases, their vectors, and the characteristics of the rashes they produce.
