Immune System Unit Post-assessment (Grade 7)

12 Questions | By Tagscience | Last updated: Mar 21, 2022 | Total Attempts: 185

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Immune System Unit Post-Assessment (Grade 7)

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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.

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
10.

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?
11.

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?
12.

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