Exam Review
- Which of the following is directly related to respiratory production of carbon dioxide?A)Regulation of blood pressureB)Regulation of pHC)Regulation of body temperatureD)The synthesis of vasodilatorsE)Aids in defecation
- Lymphatic vessels recover about. __________ of the fluid filtered by capillaries.A)5%B)85%C)25%D)50%
- The immune system spans nearly every organ and tissue in the human body.A)TrueB)False
- Pus is made of dead neutrophils, macrophages, and other tissue debris from a damaged tissue.A)TrueB)False
Exam Review
- Memory T cells can be up to ______ old.A)weeksB)daysC)monthsD)yearsE)decades
- One group of proteolytic enzymes secreted by natural killer (NK) cells is _______A)granzymesB)selectinsC)cytokinesD)InterferonsE)perforins
- Immune surveillance is a process in which _______ nonspecifically detect and destroy foreign cells and diseased host cells.A)reticular cellsB)macrophagesC)natural killer (NK) cellsD)T lymphocytes (T cells)E)dendritic cells
- Red bone marrow is the point of origin of all immune cells of the lymphatic system.A)TrueB)False
Exam Review
- _________ are secreted by cells infected with viruses, alerting neighboring cells and protecting them from becoming infected.A)InterferonsB)GranzymesC)Complement system globulinsD)PerforinsE)Pyrogens
- Some antibodies against foreign antigens can react to similar self-antigens, causing an autoimmune disease.A)TrueB)False
- A pathogen is a disease-causing microorganism.A)TrueB)False
- Autoimmune diseases are disorders in which the immune system fails to distinguish __________from foreign onesA)self-antibodiesB)self-immunoglobulinsC)self-antigensD)self-interleukinsE)self-complement proteins
Exam Review
- Mucous membranes prevent most pathogens from entering the body because of the stickiness of the mucus and the presence of lysozymes.A)TrueB)False
- Removal of the __________ would be more harmful to a one-year-old child than an adult.A)lymph nodeB)appendixC)palatine tonsilD)spleenE)thymus
- _________ constitutes about 80% of circulating antibodies in plasma.A)IgGB)IgDC)IgMD)IgEE)IgA
- Lymph is similar to blood plasma, but very low inA)carbon dioxideB)sodium and potassiumC)proteinD)metabolic wasteE)electrolytes
Exam Review
- T cells achieve immunocompetence in theA)LiverB)spleenC)bloodstreamD)bone marrowE)thymus
- The children _________ tonsils are the largest, and their surgical removal tonsillectomy used to be one of the most common surgical procedures performed in childrenA)pharyngealB)lingualC)palatineD)adenoidE)nasopharyngeal
- Mucus plays an important role in cleansing inhaled air. It is produced byA)squamous alveolar cellsB)goblet cellsC)great alveolar cellsD)cilated cellsE)the pleurae
- Each hemoglobin molecule can transport up to ________ oxygen molecules.A)5B)4C)2D)6E)3