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WorksheetsUnit 8, Lessons 1 & 2
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Most microscopic organisms are harmless.
a)
true
b)
false
2.
An organism, virus, or protein that causes disease is called a _________________.
a)
pathogen
b)
antibody
3.
External defenses include all of the following EXCEPT...
a)
skin
b)
hair
c)
nails
d)
fever
4.
Internal defenses include all of the following except...
a)
inflamation
b)
fever
c)
the immune system
d)
mucus membranes
5.
A white blood cell that destroys pathogens by digesting them is called a _____________________.
a)
macrophage
b)
T cell
c)
B cell
d)
antibody
6.
___________________ coordinate the body's response to a pathogen.
a)
macrophages
b)
T cells
c)
B cells
d)
antibodies
7.
______________________ make antibodies that attach themselves to specific pathogens.
a)
macrophages
b)
T cells
c)
B cells
d)
antibodies
8.
A specialized protein that attaches itself to a specific antigen to mark it for destruction is called a(n) ________________________.
a)
macrophage
b)
T cell
c)
B cell
d)
antibody
9.
How does the body build immunity?
a)
by receiving immunity from a mother
b)
through vaccinations
c)
by building memory cells
d)
all of the above
10.
What is not a challenge the immune system (according to page 551)?
a)
cancer
b)
allergies
c)
HIV and AIDS
d)
the common cold
11.
Only bacteria and viruses cause disease.
a)
true
b)
false
12.
All diseases can be spread from one person to another.
a)
true
b)
false
13.
Diseases that are caused by heredity or environmental factors are called _______________.
a)
noninfectious diseases
b)
common diseases
c)
infectious diseases
d)
nonconformists
14.
Infectious diseases are caused by bacteria, fungi, parasites, and _________.
a)
viruses
b)
golgi bodies
15.
Diseases caused by bacteria include all of the following except...
a)
strep throat
b)
diarrhea
c)
sinus infections
d)
flu
16.
The cold, flu, and HIV are all types of _______________.
a)
viruses
b)
fungi
c)
bacteria
d)
parasites
17.
An organism that lives on and feeds on another organism is called a ___________________.
a)
virus
b)
parasite
c)
fungus
d)
bacteria
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