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Sidreka Gilbert
Chapter 11
| Question | Answer |
|---|---|
| Antibodies are proteins of the family called | immunoglobulins |
| Which of the following is not a lymph organ? | Pancreas |
| Which substance can destroy pathogens by lowering the pH to a level at which they cannot function? | Hydrochloric acid |
| A type of blood cell produced by lymph nodes is called a(n) | monocyte. |
| The breast—the mammary gland and surrounding tissue—is drained by the: | Lymphatics that originate in and drain the skin over the breast with the exception of the areola and nipple. lymphatics that originate in and drain the substance of the breast itself, as well as the skin of the areola and nipple. |
| The tonsils located near the posterior opening of the nasal cavity are called the _____ tonsils. | pharyngeal |
| The main difference between the composition of lymph and interstitial fluid and the composition of plasma is the _____ percentage of _____ in lymph and interstitial fluid. | lower; proteins |
| The size of lymph nodes varies from _____ mm to more than _____ mm in diameter. | 1; 20 |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| Lymph capillaries called lacteals are located in the: | small intestine |
| The type of immune mechanism that provides a general defense by acting against anything recognized as “not self” is called: | nonspecific immunity. |
| Lymphatics resemble veins except that lymphatics: | have thinner walls. contain more valves. contain lymph nodes located at certain intervals along their course. |
| The cisterna chyli | originates in the thoracic duct. |
| Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called | tonsils. |
| Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity. | cell-mediated |
| Which of the following is a true statement? | Lymph from the entire body, except the upper right quadrant, drains eventually into the thoracic duct. |
| An infection in the thumb may result in enlargement of the _____ nodes. | superficial cubital |
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