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Infection and Pathogens

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Questions and Answers

What is a possible symptom of an infectious disease that impacts the brain or nervous system?

Difficulty with walking (correct)

Vomiting

Rash formation

Weight loss

What is the main difference between infection and disease in terms of etiology?

Infections are caused by internal factors, while diseases are caused by external factors

Infections are caused by antibiotics, while diseases are caused by viruses

Infections are always caused by external pathogens, while diseases can be caused by internal or external factors (correct)

Infections are caused by genetic mutations, while diseases are caused by bacteria

What is an example of a disease caused by a type of Lentivirus?

HIV (correct)

Chlamydia

Toxoplasmosis

Meningococcal disease

What is the term for abnormal growths of mutated tissues that destroy healthy tissues?

Neoplastic disease (D) Signup and view all the answers

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 (A) Signup and view all the answers

What is the term for the ability of a pathogen to invade and cause illness in another organism?

Infectivity (C) Signup and view all the answers

Which of the following is an example of a non-living agent that can cause infection?

Virus (D) Signup and view all the answers

What is the term for the process by which harmful agents invade another organism and cause illness?

Infection (B) Signup and view all the answers

Which of the following is a common route of transmission for pathogens?

All of the above (D) Signup and view all the answers

What is the term for the symptoms caused by the immune system's response to an infection?

Immune-mediated symptoms (A) Signup and view all the answers

What is the primary characteristic that distinguishes parasites from other infectious agents?

They have complex lifecycles (B) Signup and view all the answers

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 (C) Signup and view all the answers

What is the primary mechanism by which prions proliferate?

By causing normally shaped proteins to misfold (C) Signup and view all the answers

What is the common characteristic of rheumatoid arthritis, Huntington's disease, and cancer?

They are all diseases with a known etiology (B) Signup and view all the answers

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 (A) Signup and view all the answers