Immune System Unit Pre-Assessment (Grade 7)
Produce antigens
Produce red blood cells
Fight infections
Digest food properly
Produce hormones
All viruses contain DNA
The building blocks of viruses are cells
A virus is composed of a core of DNA or RNA
A virus is composed of nerve tissue
All of the above
Antibodies
Antigens
Allergies
Platelets
Plastids
Does not make cytotoxic T cells.
Makes only one type of cytotoxic T cells.
Makes exactly one hundred different types of cytotoxic T cells.
Makes millions of different types of cytotoxic T cells.
Only makes helper T cells, not cytotoxic T cells.
Vaccinations use weakened microbes (or parts of them) to stimulate the immune system to react.
Vaccinations utilize hormones in the blood to inhibit reproduction of the virus.
Vaccinations release enzymes from platelets that hydrolyze the virus.
Vaccinations produce antigens that deactivate the virus.
None of these statements are true.
Occurs when blood pressure increases during exercise
Cannot be corrected by medical therapy
Can be corrected by stimulating positive-feedback mechanisms
Occurs when cytotoxic T cells are produced by the immune system
May produce disease
Active immunity
Passive immunity
Allergies
Tissue Rejection
Negative Feedback
Toxic substances
Poor nutrition
Inheritance
Personal behavior
All of the above
Bacterial
Viral
Cancer
Both a and b
All of the above
Uncontrolled cell division causes cancer
Cell division accelerates to maintain homeostasis
The immune system rapidly fights a dangerous virus
When skin cells die, they are quickly replaced
All of the above