Which statement about how the body protects itself from pathogens is TRUE?
A) Vomiting is a way to remove dangerous pathogens.
B) The presence of normal bacterial flora may produce chemicals that inhibit the growth of invading viruses.
C) Gastric acids and enzymes help neutralize pathogens that attack through the gastrointestinal system.
D) Removing tonsils will help protect the respiratory tract from invading pathogens.
Correct Answer:
Verified
Q2: What is the second line of protection
Q3: Which of the following statements is FALSE?
A)The
Q4: Which of the following is NOT one
Q5: What is the first line of protection
Q6: Which of the following is defined as
Q8: When an injury or invasion takes place,
Q9: Where does humoral immunity occur?
A)Spleen
B)Thymus
C)Macrophages
D)Plasma
Q10: Which of the following contains valves to
Q11: Within which structure do monocytes and lymphocytes
Q12: Which of the following is an enzyme
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