Micro 020 - General Microbiology » Winter 2021 » Chapter 12 Quiz

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Question #1
Each of the following are physical barriers to pathogens except ________.
A.   mucus
B.   T cells
C.   tears
D.   unbroken skin
E.   hairs
Question #2
A properly functioning immune system is responsible for ________.
A.   elimination of invaders
B.   destruction of foreign material, elimination of invaders and recognition of foreign material
C.   destruction of foreign material
D.   recognition of foreign material
Question #3
Which gland shrinks in size during adulthood and has hormones that function in maturation of T lymphocytes?
A.   Thymus
B.   GALT
C.   Tonsils
D.   Lymph nodes
E.   Spleen
Question #4
Which of the following is not a component of the second line of defense?
A.   Complement
B.   Fever
C.   Phagocytosis
D.   Keratin
E.   Inflammation
Question #5
Components of the first line of defense include all the following except ________.
A.   phagocytic white blood cells
B.   flushing action of tears and blinking
C.   the tough cell sheet of the upper epidermis of the skin
D.   nasal hairs
E.   flushing action of urine
Question #6
Which of the following is incorrect about inflammation?
A.   Serotonin causes smooth muscle contraction.
B.   Fever could be beneficial to inhibiting the pathogen.
C.   It can last hours to years.
D.   Pyrogens cause vasodilation and increased capillary permeability.
E.   Basophils and mast cells release histamine.
Question #7
Which white blood cells comprise 20% to 30% of the circulating WBCs and are the cells that function in the body's third line of defense?
A.   Eosinophils
B.   Basophils
C.   Neutrophils
D.   Monocytes
E.   Lymphocytes
Question #8
What structures are found along lymphatic vessels and are heavily clustered in the armpit, groin, and neck?
A.   Spleen
B.   Lymph nodes
C.   Thymus
D.   Tonsils
E.   GALT
Question #9
The four classic signs and symptoms of inflammation include all the following except ________.
A.   swelling
B.   warmth
C.   chills
D.   pain
E.   redness

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