Antibiotics
74. Which of the following types of cells is often considered an antigen-presenting cell?
a. Macrophages
b. Lymphocytes
c. Eosinophils
d. NK cellsa- Macrophages
54. Lymphatic vessels are most comparable to what type of blood vessels?
a. Arteries
b. Capillaries
c. Veins
d. Arterioles
c- veins
60. Where do T cells mature?
a. Thyroid gland
b. Thymus
c. Spleen
d. Red bone marrow
b- Thymus
58. A cluster of lymphocytes is known as a ________________.
a. Trabeculae
b. Nodule
c. Macrophage
d. Marrow
b- Nodule
**BONUS**
63. After being initially formed in the red bone marrow, where do most lymphocytes go in the body to mature?
a. They stay in the red bone marrow
b. Liver
c. Thymus
d. Spleen
69. Which of the following activates lymphocytes and leads to an immune response?
a. Antigen
b. Agglutinin
c. Clone
d. Antibody
a- antigen
77. What plasma protein do antibodies belong to?
a. Albumin
b. Globulin
c. Interferon
d. Agglutinogen
b- Globulin
**BONUS** (not in packet)
A vaccination for a particular virus will contain what?
a. Dead viruses
b. Antibodies from somebody with that virus
c. Certain clotting factors
d. Vitamin C to boost your immune system
59. Similar to veins, lymphatic vessels use ____________________ to move fluid against gravity/low pressure.
a. Skeletal muscle contractions
b. Heart contractions
c. Osmotic pressure gradients
d. Arterial pulsations
a- skeletal muscle contractions
**BONUS**
65. Which of the following is not considered a lymphatic tissue or organ?
a. Tonsilsb. Lymph Nodes
c. Spleen
d. Liver57. After flowing through lymphatic vessels and trunks, what structure will lymph flow through?
a. Right lymphatic duct
b. Left lymphatic duct
c. Thoracic duct
d. A or B
e. A or C
f. All of the above
e- A or C
66. Which of the following is not a non-specific defense against disease?
a. Stomach acidity
b. NK cells
c. Complement
d. Inflammation
e. None of the above
e- None of the above
70. Each B or T cell has receptors on its surface that recognize only one specific _____________
a- Stimulant
b- Complex
c- Epitope (antigenic determinant)
d- Hormone
c- Epitope
75. Once a B cell binds to a helper T cell, the T cell releases interleukins that stimulate clonal division of the B cell. These clones grow to form _____________________ that produce and secrete antibodies?
a- B cells
b- Plasma cells
c- Helper T cells
d- Monocytes
b- Plasma cells
55. Which of the following is a function of the lymphatic system?
a. Monitor blood flow throughout the body
b. Removal of excess interstitial fluid
c. Supply working muscle cells with O2 and remove excess CO2
d. Hormone creation
b- removal of excess interstitial fluid
61. Where will you likely find lymph nodes?
a. Throughout lymphatic capillaries
b. Throughout lymphatic vessels
c. Throughout the spleen
d. In the subclavian veins
b- throughout lymphatic vessels
62. What is responsible for intercepting infectious agents in the small intestine?
a. Tonsils
b. Lymph Nodes
c. Interferon
d. Mucosa-associated lymphatic tissue (MALT)
d- MALT
71. What type of immunity is provided by B cells?
a. Humoral-mediated immunity
b. cell-mediated immunity
c. Interferon immunity
d. Non-specific immunity
a- Humoral-mediated immunity
78. Of all of the classes of antibodies, which is the most abundant?
a. G
b. M
c. E
d. D
a- G
64. Which of the following is considered a primary lymphatic organ?
a. Spleen
b. Red bone marrow
c. Tonsils
d. Lymph nodes
b- red bone marrow
72. What is released by helper T cells?
a- Complement
b- Interferon
c- Interleukinsd- Macrophages
c- Interleukins
68. What is released by our infected body cells that warns nearby cells to protect themselves from infection?
a. Lysozomes
b. Antibodies
c. Interferon
d. Globulin
c- Interferon
73. What helps our body to distinguish between cells that are our own and cells that are not?
a. Colony stimulating factors
b. Immunoglobulins
c. Complement pathways
d. Major histocompatibility complex antigens
d- MHC proteins
80. True or False: The variable region on an antibody will be the same in a B cell and ALL of it’s daughter cells (clones).
a. True
b. False
a- True
56. What is the major difference between lymphatic capillaries and blood capillaries?
a. Molecules diffuse easier in lymphatic capillaries than blood capillaries
b. Lymph flows much slower through it’s capillaries than does blood
c. There is a much higher pressure in the lymphatic capillaries than blood capillaries
d. Large proteins can cross the walls of lymphatic capillaries but not blood capillaries
b- lymph flows much slower than blood
3 L/day vs. 8500 L/day
79. Which of the following is not true about complement?
a. It is activated when an antibody binds to an antigen
b. They are a type of plasma proteins
c. They lead to increased agglutination/chemotaxis/immune responses
d. It is the major determinant found on our cells that allows us to distinguish our own body cells from foreign ones.
67. Which of the following is false regarding the spleen?
a. It releases stored blood in response to decreased blood pressure
b. It is the largest lymphatic organ
c. Formation of RBCs takes place inside of it throughout our lifetime
d. If it is ruptured, its functions are taken up by the liver
c- Formation of RBCs takes places inside of it throughout our entire lifetime
76. What is occurring in someone who has an autoimmune disorder?
a. Their lymphocytes are attacking their own normal body cells
b. They are making antibiotics against liver cells that help with detoxification
c. Their immune system is being phagocytized by foreign macrophages
d. They are losing their ability to develop white blood cells
a- Their lymphocytes are attacking their own normal body cells