TRUE FALSE We are grateful to the skeletal system for our body’s defense mechani
ID: 11790 • Letter: T
Question
TRUE FALSE
We are grateful to the skeletal system for our
body’s defense mechanisms -------- --------
Immunity via mother’s milk is natural, active -------- --------
Immunization gives natural, active immunity -------- --------
Osteoarthritis is an autoimmune disease -------- --------
Phagocytosis is a specific immune defense -------- --------
NK cells destroy abnormal body cells -------- --------
Passive Immunity lacks memory -------- --------
Lymph nodes are designed to filter blood -------- --------
Palatine tonsils are also known as the ‘adenoids’ -------- --------
All blood cells originate from the bone marrow -------- --------
Explanation / Answer
1.) True ---> bone marrow produces white blood cells for fighting immunity (located inside the pelvic bone as well as thigh bone) 2.) False ---> Passive immunity is provided through the transfer of IgA antibodies found in breast milk that are transferred to the gut of the infant, protecting against bacterial infections, until the newborn can synthesize its own antibodies 3.) True --> The process of injecting a vaccine or giving a vaccine by mouth is called a vaccination. A vaccine is a form of the antigen that gives you active immunity 4.) True --> bodies cells attack cartilage causing degeneration. 5.) True ---> it specifically is the process of certain white blood cells (phagocytes) "eating" foreign or invading organisms 6.) True ---> NK cells target and destroy cancerous cells in our body. These cells are usually abnormal in size (large or clustered like a tumor) 7.) False ---> Passive immunity provides immediate protection, but the body does not develop memory, therefore the patient is at risk of being infected by the same pathogen later. Active immunity has memory cells however. 8.) True --> lymph nodes are designed to filter the blood and remove any pathogens. A lymph node is essentially a sack of white blood cells that detects pathogens or cancerous material. If you have a virus or are really sick if you touch your lymph nodes in your neck you can see that they are very swollen. This is because they are overworking to fight the infection. 9.) False ---> pharyngeal tonsil are known as adenoids 10.) True ---> All blood cells originate from bone marrow located all over your body
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