World Health Organization Definition and Levels of Health Quiz

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Questions and Answers

What is the World Health Organization's definition of health?

  • Definitely sick or ill
  • Complete physical, mental, and social well-being (correct)
  • The absence of disease
  • Feeling under par

What are examples of biological agents that can initiate or perpetuate a disease process?

  • Carbohydrates, Fat, Protein
  • Mineral, Water
  • Atmospheric pressure, Temperature
  • Bacteria, Rickettsia, Viruses (correct)

Which type of agents are hypercholesterolemia and abnormalities in metabolism examples of?

  • Biological agents
  • Nutrient agents
  • Chemical agents (correct)
  • Physical agents

What can lead to Miliana Rubra (bungang araw, redness of skin fold, heat stroke)?

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

What is the nature of disease according to the text?

<p>It is caused by imbalance between disease agents and man (C)</p> Signup and view all the answers

What are examples of physical agents that can lead to health problems?

<p>$higher$ decibel machines (A)</p> Signup and view all the answers

In the context of disease transmission, what is the term for the mechanism in which an infectious agent is transported from the reservoir to a susceptible human host?

<p>Mode of transmission (C)</p> Signup and view all the answers

Which characteristic directly related to man measures the severity of the reactions of an infectious agent, in terms of fatality?

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

What kind of radiation can result in eye injury and skin damage, including accelerated aging?

<p>Ultraviolet radiation (C)</p> Signup and view all the answers

Which characteristic of an infectious agent refers to its ability to stimulate the host to produce a defense mechanism?

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

What is the term for the reservoir in which an infectious agent lives, multiplies, and depends primarily for survival?

<p>Reservoir (D)</p> Signup and view all the answers

Which type of transmission involves the unprotected host touching the patient, specimen, or a contaminated object (reservoir)?

<p>Direct contact transmission (D)</p> Signup and view all the answers

What is the term for the vehicle that passes an infectious agent immediately to the host and may be a vehicle, vector, intermediate host, or contaminated article?

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

Which type of radiation can cause thermal damage to the cornea, iris, or lens (cataract formation)?

<p>Non-ionizing radiation (A)</p> Signup and view all the answers

Which characteristic directly related to man measures the ability of an infectious agent when lodged in the body to set up a specific reaction?

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

Which type of mechanical agent involves chronic friction such as vibrating tools (Jackhammer) leading to vasospasms of fingers and carpal tunnel syndrome?

<p>Mechanical Forces Chronic Friction-e.g. Vibrating tools (Jackhammer) (D)</p> Signup and view all the answers

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Study Notes

Definition of Health and Disease

  • The World Health Organization (WHO) defines health as a state of complete physical, mental, and social well-being, not merely the absence of disease or infirmity.

Types of Agents

  • Biological agents that can initiate or perpetuate a disease process include bacteria, viruses, fungi, and parasites.
  • Hypercholesterolemia and abnormalities in metabolism are examples of metabolic agents.

Disease Transmission and Characteristics

  • Miliana Rubra (bungang araw, redness of skin fold, heat stroke) can be caused by prolonged exposure to high temperatures and humidity.
  • The nature of disease is a dynamic process involving the interaction of an infectious agent, a susceptible host, and an environment conducive to the spread of disease.
  • Physical agents that can lead to health problems include radiation, heat, and mechanical forces.

Transmission Mechanisms

  • The term for the mechanism in which an infectious agent is transported from the reservoir to a susceptible human host is transmission.
  • Direct transmission involves the unprotected host touching the patient, specimen, or a contaminated object (reservoir).
  • Indirect transmission involves a vehicle that passes an infectious agent immediately to the host, which may be a vehicle, vector, intermediate host, or contaminated article.

Characteristics of Infectious Agents

  • Virulence is a characteristic that directly relates to man and measures the severity of the reactions of an infectious agent, in terms of fatality.
  • Infectivity is a characteristic that measures the ability of an infectious agent to enter and colonize a host.
  • Pathogenicity is a characteristic that measures the ability of an infectious agent to cause disease in a host.
  • Immunogenicity is a characteristic that refers to the ability of an infectious agent to stimulate the host to produce a defense mechanism.

Radiation and Health Effects

  • Ionizing radiation can result in eye injury and skin damage, including accelerated aging.
  • Infrared radiation can cause thermal damage to the cornea, iris, or lens (cataract formation).

Mechanical Agents

  • Mechanical agents, such as chronic friction from vibrating tools (Jackhammer), can lead to vasospasms of fingers and carpal tunnel syndrome.

Reservoir and Vehicle

  • The term for the reservoir in which an infectious agent lives, multiplies, and depends primarily for survival is a natural reservoir.
  • A vehicle is an inanimate object, such as food, water, or air, that can pass an infectious agent to a susceptible host.

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