Question | Answer |
What is an example of Naturally Acquired Passive immunity? | Breastmilk |
What immunoglobin would be found in breastmilk secretions? | IgA |
What is a secretion produced by virally infected cells that warn neighboring cells about the presence of viruses? | Interferons |
What is true about the secondary immune response? | It results from subsequent exposures and is relatively quick to act. |
What is a specific branch of the immune system? | The production of antibodies |
Which lymphatic organ is the site of T-cell maturation and shrinks as one ages? | Thymus |
What is the function of the lymph node? | Remove cellular debris and bacteria from lymph |
What contributes to the movement of lymph through lymphatic vessels? | Skeletal muscle contractions |
What factor influences the movement of interstitial fluid into a lymphatic capillary? | Hydrostatic pressure of interstitial fluid is higher than the hydrostatic pressure in the lymphatic capillary |
The structure of a lymphatic vessel most resembles? | A vein |
What drains lymph from the left side of the body and empties where? | thoracic duct and subclavian vein |
Which organ filters red blood cells from circulation> | Spleen |
B.P. refers to the surge of blood against the walls of blood vessels. When a persons blood pressure is measured, the diastolic pressure represents? | The pressure against vessel walls during ventricular relaxation |
When a heartbeat is heard through a stethoscope, the second sound, a "dub" is caused by? | The closure of the semilunar valves. |
What is true during times of stress? | Sympathetic impulses to the heart, that would increase heart rate |
What phase on a ECG does atrial depolarization occur? | P wave |
Where are the baroreceptors located and serve to detect? | Aortic arch/ carotid sinuses & blood pressure |
What is true bout the arteriolar end of the capillary? | Hydrostatic pressure in the blood causes a net movement of fluid into the tissues. |
The tunica interna of arteries and veins are primarily composed of? | epithelium |
What is considered the pacemaker of the heart? | SA Node |
The term that describes a mass of merging tissue fibers that act as a functional unit is? | Syncytium |
what represents cardiac dysfunction? | Blood passes from the atria into the superior and interior vena cava during ventricular systole. |