Immune System Unit Post-assessment (grade 7)
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Immune System Unit Post-Assessment (Grade 7)
- 1.A person who has HIV/AIDS and a comprised immune system will not be able to (Standard 5.2a, 5.2f)
- 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? (Standard 5.2b)
- A.
All viruses contain DNA.
- B.
The building blocks of viruses are white blood cells.
- C.
A virus is made up of one or more cells.
- D.
A virus needs a host in order to reproduce.
- E.
All of the above.
- 3.Helper T cells present a processed ____________ to B cells to activate them so they can begin a specific immune response. (Standard 5.2c)
- A.
Antibody
- B.
Allergen
- C.
Cytokine
- D.
Antigen
- E.
Lymphocyte
- 4.The human body (Standard 5.2d):
- A.
Does not make antibodies.
- B.
Makes only one type of antibody.
- C.
Makes one hundred different types of antibodies.
- D.
Makes billions of different types of antibodies.
- E.
Only makes cytotoxic T cell antibodies.
- 5.Which of the following statements is true about vaccinations (Standard 5.2e)?
- A.
Vaccinations use weakened antibodies to stimulate the immune system to react.
- B.
Vaccinations utilize hormones in the blood to inhibit reproduction of the virus.
- C.
Vaccinations release enzymes from platelets that hydrolyze the virus.
- D.
Vaccinations use weakened microbes to stimulate the immune system to react.
- E.
None of these statements are true.
- 6.Failure of negative feedback mechanisms to maintain homeostasis (Standard 5.2 a):
- 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.
Prevents disease
- E.
May upset dynamic equilibrium.
- 7.Subtances released by the human body in response to allergens are called: (Standard 5.2g)
- A.
Allergies
- B.
Cytotoxic T cells
- C.
Histamines
- D.
Hormones
- E.
Neurotransmitters
- 8.Which statement about diseases is NOT true (Standard 5.2h)?
- A.
Diseases can be caused by poor nutrition
- B.
Disease can be caused by personal behavior
- C.
Diseases can be inherited
- D.
Diseases can be caused by antibodies
- E.
Disease can be caused by toxic substances
- 9.
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Which statement best describes the diagram below (Standard 5.2i)?- A.
Cancer is an example of dynamic equilibrium.
- B.
Cell division accelerates to maintain homeostasis
- C.
When skin cells die, they are quickly replaced.
- D.
Tumors result when cells divide at an acclerated rate
- E.
All of the above
- 10.Which disease can be treated by antibiotics (Standard 5.2j)?
- A.
Cancer
- B.
Flu Virus
- C.
West Nile Virus
- D.
Bacterial Meningitis
- E.
Both B and C
- 11.Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how much you know about the immune system and disease?
- 12.Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how interested are you in the immune system and disease?
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