Untitled Presentation

Multiple Choice

What is the significance of the immune system in protecting the human body?

• It helps digest food

• It protects against disease-causing agents like viruses and bacteria

• It provides energy to the body

• It helps in movement

Open Ended

How do the body's physical and chemical barriers work together to prevent infections?

Multiple Choice

What is the main function of phagocytic cells in the body's non-specific immune response?

• To produce antibodies

• To engulf and digest foreign microorganisms

• To transport oxygen

• To regulate body temperature

Multiple Select

Which of the following are types of phagocytic cells found in the immune system?

• Neutrophil

• Macrophage

• Lymphocyte

• Erythrocyte

Open Ended

Explain the role of interferon in the immune response against viral infections.

Fill in the Blank

Fill in the blank: The lymphatic system helps to absorb ___ and fat-soluble vitamins from the intestines.

Multiple Select

Which of the following organs are part of the lymphatic system?

• Lymph nodes

• Spleen

• Thymus gland

• Pancreas

Open Ended

كيف تعمل الخلايا البائية والتائية (طريقة استجابتها)؟

Multiple Choice

Which of the following best describes the main difference between the antibody-mediated immune response and the cell-mediated immune response as shown in the diagrams?

• Antibody-mediated response produces antibodies, while cell-mediated response destroys infected cells directly.

• Both responses produce antibodies.

• Cell-mediated response produces antibodies, while antibody-mediated response destroys infected cells.

• Both responses destroy infected cells directly.

Fill in the Blank

The protein chains that make up an antibody are called the heavy chain and the ___ chain.

Open Ended

Explain how passive immunity is acquired and provide two examples based on the text.

Multiple Select

Which of the following statements about vaccination (التطعيم) are correct?

• It introduces weakened or dead pathogens to stimulate immunity.

• It always causes the disease it is meant to prevent.

• It can result in the formation of memory immune cells.

• It is only effective after multiple doses.

Multiple Choice

What is one key feature of the secondary immune response compared to the primary response, according to the graph?

• It is slower and less intense.

• It is faster and stronger.

• It does not involve memory cells.

• It only occurs after infection, not vaccination.

Fill in the Blank

The virus that causes AIDS is called ___.

Multiple Choice

Which of the following is NOT a function of the body's physical or chemical barriers in non-specific immunity?

• Preventing the entry of pathogens through the skin

• Killing bacteria with stomach acid

• Producing antibodies to target specific viruses

• Enzymes in tears breaking down bacterial cell walls

Open Ended

Summarize how the body's non-specific (innate) immunity protects against pathogens, based on what you learned today.