Transmission of Tuberculosis, Hepatitis B, and Dengue
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Questions and Answers

Which disease is primarily transmitted through airborne respiratory droplets?

  • Hepatitis B
  • Dengue
  • HIV
  • Tuberculosis (correct)

What virus causes Hepatitis B?

  • Influenza virus
  • Hepatitis C virus
  • Zika virus
  • Hepatitis B virus (correct)

Which disease is transmitted by a mosquito vector?

  • Dengue (correct)
  • Malaria
  • Tuberculosis
  • Hepatitis B

Which of the following is NOT a common lifestyle disease?

<p>Tuberculosis (B)</p> Signup and view all the answers

Which of the following factors is considered a controllable risk factor?

<p>Unhealthy behaviors (C)</p> Signup and view all the answers

Which virus is NOT mentioned in the text as causing a disease?

<p>Ebola virus (A)</p> Signup and view all the answers

What is the primary cause of communicable diseases?

<p>Virus (B)</p> Signup and view all the answers

What type of disease is hypertension?

<p>Noncommunicable disease (B)</p> Signup and view all the answers

Which is a potential human reservoir for communicable diseases?

<p>Carrier with inapparent infection (C)</p> Signup and view all the answers

Which factor increases the risk of developing atherosclerosis?

<p>High blood pressure (B)</p> Signup and view all the answers

What is a common mechanism involved in communicable diseases?

<p>Damage to body cells by pathogens (A)</p> Signup and view all the answers

Which of the following is NOT a common pathogen causing communicable diseases?

<p>All of the above are common pathogens (D)</p> Signup and view all the answers

What are examples of vehicles that may indirectly transmit an infectious agent?

<p>Food, water, and fomites (D)</p> Signup and view all the answers

Which statement accurately describes mechanical transmission of diseases?

<p>Flies can carry pathogens on their appendages. (C)</p> Signup and view all the answers

What is the function of a biological vector in vector transmission of diseases?

<p>To carry the disease from one host to another (C)</p> Signup and view all the answers

In vector transmission, what is biological transmission?

<p>Pathogen undergoes maturation in an intermediate host (C)</p> Signup and view all the answers

What is the significance of the portal of entry in the chain of infection?

<p>It provides access to tissues for pathogen multiplication or toxin action (B)</p> Signup and view all the answers

Which statement about vehicles in disease transmission is correct?

<p>Vehicles may indirectly transmit infectious agents like food, water, and fomites (D)</p> Signup and view all the answers

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