Question 1. Once they have penetrated the first line of defense, which
microorganisms do neutrophils actively attack, engulf, and destroy
by phagocytosis?
Bacteria
Fungi
Viruses
Mycoplasma
Explanation: Invasion results in direct confrontation with an individual’s primary defense
mechanisms against bacteria, which include the complement system,
antibodies, and phagocytes, such as neutrophils and macrophages. (See
Chapters 6, 7, and 8).
Question 2. What of the following remains a significant cause of morbidity
and mortality worldwide?
Starvation
Traumatic injury