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BIO104 CH 15 Lymphat
BIO104: CH 15 Quiz
| Question | Answer |
|---|---|
| An important function of the spleen is to destroy and remove worn-out red blood cells. | True |
| Lymph vessels are located in almost all tissues and organs that have blood vessels. | True |
| The function of the thymus is to produce lymph fluid. | False |
| Hodgkin’s disease is also known as the “kissing disease.” | False |
| An immunoglobulin is a protein that functions specifically as an antibody. | True |
| Cancer cells can become trapped in lymph nodes, which may require surgical removal of involved lymph nodes. | True |
| Hodgkin’s disease is usually fatal. | False |
| Infants are born without any type of immunity. | False |
| The substance that diffuses from capillaries into tissue spaces is called _____. | Interstitial fluid |
| The types of immunity a person is born with are called _____. | Natural and passive acquired immunity |
| Which disease suppresses the body’s immune system? | AIDS |
| What pushes lymph fluid forward through lymph vessels? | Skeletal muscle contractions and breathing movements |
| What happens when lymph enters a lymph node through an afferent vessel? | The immune system responds |
| Inflammation and swelling of a lymph node is called _____. | Adenitis |
| Why are tonsils not removed as often today? | They play an important role in defending the body against infection |
| What is the spleen’s first action after severe bleeding? | Release red blood cells into circulation |
| Why are older adults more susceptible to infection and slower healing? | Important infection-fighting cells reproduce more slowly |
| Which organ can be seriously affected by infectious mononucleosis? | Spleen |
| Unbroken skin and mucus are examples of _____. | Natural immunity |
| How does inoculation protect the body? | It introduces small amounts of disease-causing material to stimulate antibody production |
| What is autoimmunity? | The immune system mistakenly attacks normal body cells |
| Which action can transmit HIV? | Sexual intercourse |
| What is an opportunistic infection? | An infection that commonly occurs in a person with a weakened immune system |
| How many injections are in the hepatitis B vaccine series? | Three |
| The system considered a supplement to the circulatory system is the _____. | Lymphatic system |
| _____ and _____ act as intermediaries between blood in capillaries and body tissues. | Interstitial fluid and lymph |
| Tiny oval-shaped structures ranging from a pinhead to an almond are _____. | Lymph nodes |
| The three pairs of tonsils are _____. | Palatine, pharyngeal, and lingual |
| The organ that stores large amounts of red blood cells is the _____. | Spleen |
| The body’s ability to resist infection from pathogens is called _____. | Immunity |
| A severe and sometimes fatal allergic reaction is called _____. | Anaphylaxis |
| What progressively destroys the body’s T4 lymphocytes? | HIV |
| A person infected with a virus but showing no symptoms is called _____. | Asymptomatic |