Q.1
This helps to maintain the integrity of the lining of the intestines, thereby helping to boost immunity
  • Probiotics
  • Selenium
  • Vitamin A
  • Fatty Acids
Q.2
This micronutrient can be found in brazil nuts, walnuts, tuna, beef, poultry, and grain products
  • Vitamin A
  • Selenium
  • Vitamin D
  • Omega 3
Q.3
The lymphatic system contains lymphocytes red blood cells, which try to recognize any bacteria, viruses or other foreign substances in your body and fight them.
  • True
  • False
Q.4
__________ found in certain areas such as the base of the neck and the armpit. In tagalog they are called "kulani"
  • Lymph nodes
  • Tonsils
  • Thymus
  • adenoids
Q.5
_______ are large cluster of lymphatic cells found in the pharynx
  • adenoids
  • thymus
  • lymph nodes
  • tonsils
Q.6
You can get _______ from walnuts, chia, hemp, flax seeds, canola oil, & fatty fish
  • Omega 3
  • Selenium
  • Vitamin D
  • Vitamin E
Q.7
The spleen is the largest lymphatic organ in the body?
  • True
  • False
Q.8
Cytotoxic T cells are
  • antibodies.
  • able to kill virus-infected cells.
  • part of the humoral immune response.
  • part of the second line of the immune defence.
Q.9
White blood cells that are involved in the third line of defence of the immune system include
  • mast cells.
  • eosinophils.
  • lymphocytes.
  • macrophages.
Q.10
Cellular agents capable of causing infection of body cells include
  • prions.
  • toxins.
  • DNA viruses.
  • Gram-negative bacteria.
Q.11
One of the similarities between the defence mechanisms of a plant and an animal include the
  • production of memory cells.
  • release of immune cells through a circulatory system.
  • use of an epidermal layer to inhibit the invasion of pathogens.
  • production of salicylic acid to warn cells of an invading pathogen.
Q.12
The lymphatic system
  • controls blood clotting.
  • contains red blood cells.
  • has vessels with thick, muscular walls.
  • contains phagocytic cells.
Q.13
An inflammation reaction involves the
  • release of histamines.
  • agglutination of bacteria.
  • production of immunoglobulin.
  • vaseconstriction of blood vessels.
Q.14
First-line defence mechanisms in humans include
  • development of fever.
  • the action of phagocytes.
  • the use of antibiotics.
  • the presence of cilia on some cells.
Q.15
Examples for professional APCs
  • B lymphocytes
  • Dendritic cells
  • Erythrocytes
  • Both A & B
Q.16
Signal II leads to anergy or inactivation of T helper when
  • Inadequate quantity of CD28 is expressed
  • The APC is presenting an autoantigen
  • Competitive binding of CTLA 4 with CD80 or CD86
  • All of above
Q.17
A T lymphocyte which has not encountered an antigen yet
  • Novice
  • Small
  • Stem
  • Naive
Q.18
The T helper releases a ------------------- during autocrine signalling
  • IL-2
  • IL-3
  • IL-1
  • IL-R
Q.19
The signal helping in verification of the presented Antigen as self or non self
  • Signal 0
  • Signal 1
  • Signal 2
  • Signal 3
Q.20
The CD4 is present as part of -------------- in T lymphocytes
  • CD28 R
  • TCR complex
  • Microcomplex
  • ILR complex
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