Immunology and Vaccines: Dr. Muna Oqal Department of Pharmaceutics Quiz

What is the main reason antibiotics can kill bacteria?

They deactivate bacterial DNA
They enhance bacterial metabolism
They prevent bacterial reproduction
They target key processes in bacteria like cell wall production (correct)

Which organ is NOT part of the immune system listed in the text?

Tonsils
Spleen
Thymus
Liver (correct)

What type of cells are responsible for producing antibodies in the immune system?

Monocytes
Neutrophils
Eosinophils
Lymphocytes (correct)

Which molecules play a role in the immune system by enhancing the body's defense mechanisms?

Cytokines (B) Signup and view all the answers

What is the primary function of natural killer lymphocytes in the immune system?

Destroy infected cells (C) Signup and view all the answers

What is the key feature of adaptive immunity compared to innate immunity?

Adaptive immunity is acquired through genetic events and cellular growth (D) Signup and view all the answers

Which of the following is NOT a characteristic of the humoral immune response?

Involves the direct killing of infected cells (B) Signup and view all the answers

What was the key discovery made by Edward Jenner in 1796?

He discovered that cowpox vaccination protected against smallpox (A) Signup and view all the answers

Which of the following is NOT a characteristic of adaptive immunity?

Relies on innate genetic mechanisms (B) Signup and view all the answers

What was the key discovery made by Louis Pasteur in the 1880s?

He discovered that old cultures of cholera did not kill chickens and that chickens became immune (C) Signup and view all the answers

What is the key difference between cell-mediated and humoral immune responses?

Cell-mediated responses are mediated by T-lymphocytes, while humoral responses are mediated by B-lymphocytes (D) Signup and view all the answers

What is the primary function of the innate immune system?

To provide a rapid, non-specific response to pathogens (B) Signup and view all the answers

Which of the following is NOT a characteristic of the innate immune system?

Leads to clonal expansion of immune cells (C) Signup and view all the answers

Which of the following is a cellular mechanism of the innate immune system?

Natural killer cell activity (A) Signup and view all the answers

What is the primary function of the adaptive immune system?

To generate long-lasting, pathogen-specific immunity (D) Signup and view all the answers

Which of the following is NOT a component of the innate immune system's humoral mechanisms?

Antibodies (B) Signup and view all the answers

Which of the following is a key function of eosinophils in the innate immune system?

Recruitment of other immune cells (A) Signup and view all the answers

What did Von Behring and Kitasato discover in 1890 related to diphtheriae?

Antitoxins for diphtheria (D) Signup and view all the answers

Which scientist proposed the idea of cells like phagocytes contributing to the immune state of animals?

Metchinkoff (C) Signup and view all the answers

What did Karl Landsteiner discover in 1901 that revolutionized blood transfusions?

Different blood types (D) Signup and view all the answers

What can happen if blood from two individuals with incompatible blood groups is mixed during a transfusion?

Blood clumping (B) Signup and view all the answers

Which type of cells and organs are part of the integrated body system involved in maintaining health according to modern immunology?

Thymus, spleen, and lymph node (B) Signup and view all the answers

What is the main function of the immune system according to modern theory?

Fighting against infections (A) Signup and view all the answers

What is the primary role of the immune system?

To defend against microbes and their toxic effects (C) Signup and view all the answers

What is the difference between viruses and bacteria in terms of treating infections?

Bacteria can be killed with antibiotics, but viruses cannot. (D) Signup and view all the answers

What is the definition of immunology according to the passage?

The study of the structure and function of the immune system. (D) Signup and view all the answers

What is the meaning of the word "immunis" in Latin, which the term "immunology" stems from?

Exempt (A) Signup and view all the answers

Which of the following is not a major principle of the human immune response outlined in the passage?

Acquired immunity (A) Signup and view all the answers