Immune System Quiz For 8th Grade
How well do you know the immune system? Are you in 8th grade and looking for some practice questions on the immune system? Play this informative quiz and gauge your knowledge about the topic. The quiz contains various conceptual, factual questions that will help understand the topic well. The questions range from easy to medium to hard level and would greatly help in the last-minute revision before the exam. If you like this and find it informative, share it with your friends. All the best!
- 1.A person who has HIV/AIDS and a compromised immune system will not be able to
- A.
Produce antigens
- B.
Produce red blood cells
- C.
Fight infections
- D.
Digest food properly
- E.
Produce hormones
- 2.Which of the following is true about viruses?
- A.
All viruses contain DNA
- B.
The building blocks of viruses are cells.
- C.
A virus is composed of a core of DNA or RNA.
- D.
A virus is composed of nerve tissue.
- E.
All of the above
- 3.Lymphocytes recognize as foreign molecules.
- A.
Antibodies
- B.
Antigens
- C.
Allergies
- D.
Platelets
- E.
Plastids
- 4.The human body
- A.
Does not make cytotoxic T cells.
- B.
Makes only one type of cytotoxic T cells.
- C.
Makes thousands of different types of cytotoxic T cells.
- D.
Makes millions of different types of cytotoxic T cells.
- E.
Only makes helper T cells, not cytotoxic T cells.
- 5.Which of the following statements is true about vaccinations?
- A.
Vaccinations use weakened microbes (or parts of them) to stimulate the immune system to react.
- B.
Vaccinations utilize hormones in the blood to inhibit the reproduction of the virus.
- C.
Vaccinations release enzymes from platelets that hydrolyze the virus.
- D.
Vaccinations produce antigens that deactivate the virus.
- E.
None of these statements are true.
- 6.Failure of negative feedback mechanisms to maintain homeostasis:
- A.
Occurs when blood pressure increases during exercise
- B.
Cannot be corrected by medical therapy
- C.
Can be corrected by stimulating positive-feedback mechanisms
- D.
Occurs when cytotoxic T cells are produced by the immune system
- E.
May produce disease
- 7.Which letter best represents the following statement: chemicals known as histamines are released as a result of antibody production
- A.
Active immunity
- B.
Passive immunity
- C.
Allergies
- D.
Tissue Rejection
- E.
Negative Feedback
- 8.Which of the following factors may cause disease?
- A.
Toxic substances
- B.
Poor nutrition
- C.
Inheritance
- D.
Personal behavior
- E.
All of the above
- 9.Which statement best describes the diagram below?
- A.
Uncontrolled cell division causes cancer.
- B.
Cell division accelerates to maintain homeostasis.
- C.
The immune system rapidly fights a dangerous virus.
- D.
When skin cells die, they are quickly replaced.
- E.
All of the above.
- 10.Antibiotics have been developed by biological researchers to protect humans from which types of infections?
- A.
Bacterial
- B.
Viral
- C.
Cancer
- D.
Both a and b
- E.
All of the above
- 11.Leukocytes are also called
- A.
Platelets
- B.
Red Blood Cells
- C.
White Blood Cell
- D.
Veins
- 12.What is the lifespan of Red Blood Cells?
- A.
~150 days
- B.
~120 days
- C.
~90 days
- D.
~60 days
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