15 Questions
What is a possible symptom of an infectious disease that impacts the brain or nervous system?
Difficulty with walking
What is the main difference between infection and disease in terms of etiology?
Infections are always caused by external pathogens, while diseases can be caused by internal or external factors
What is an example of a disease caused by a type of Lentivirus?
HIV
What is the term for abnormal growths of mutated tissues that destroy healthy tissues?
Neoplastic disease
What is the term for infections caused by microorganisms that do not normally cause disease in a person with a properly functioning immune system?
Opportunistic infections
What is the term for the ability of a pathogen to invade and cause illness in another organism?
Infectivity
Which of the following is an example of a non-living agent that can cause infection?
Virus
What is the term for the process by which harmful agents invade another organism and cause illness?
Infection
Which of the following is a common route of transmission for pathogens?
All of the above
What is the term for the symptoms caused by the immune system's response to an infection?
Immune-mediated symptoms
What is the primary characteristic that distinguishes parasites from other infectious agents?
They have complex lifecycles
What is the main difference between an infection and a disease?
A disease is a state of internal biochemical or structural imbalance, while an infection is the presence of a foreign agent
What is the primary mechanism by which prions proliferate?
By causing normally shaped proteins to misfold
What is the common characteristic of rheumatoid arthritis, Huntington's disease, and cancer?
They are all diseases with a known etiology
What is the primary outcome of the battle between pathogens and immune cells during an infectious disease?
Damage accumulates on both sides of the fence
Test your understanding of infections, the pathogens that cause them, and how they spread. Learn about the different types of pathogens, including living and non-living agents, and how they affect the human body.
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