
Understanding the Immune System
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of the immune system?
To protect the body from harmful invaders
To produce energy
To regulate body temperature
To digest food
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a physical or chemical barrier in the first line of defense?
Hydrochloric acid
Skin
Red blood cells
Saliva
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of lysozyme found in saliva?
To neutralize stomach acid
To trap pathogens in mucus
To break down bacterial cell walls
To digest proteins
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main characteristic of the innate immune response?
It is a non-specific response
It involves antibodies
It only occurs in the digestive system
It is specific to each pathogen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which cells are primarily involved in phagocytosis?
Red blood cells
Phagocytes
Helper T cells
B cells
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the complement system in the innate immune response?
To digest pathogens
To produce antibodies
To activate phagocytes
To recruit white blood cells and trigger inflammation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes the adaptive immune response from the innate immune response?
It involves physical barriers
It is faster
It is specific to previously encountered pathogens
It does not involve white blood cells
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