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

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