click below
click below
Normal Size Small Size show me how
week 7 to 13 final
| Question | Answer |
|---|---|
| In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of | prothrombin activator. |
| A decrease in the amount of white blood cells is called | leukopenia. |
| The mechanisms of which three hormones work together to regulate blood volume? | aldosterone, ANH, and ADH |
| The term used to describe the collection of mechanisms that influence the circulation of blood is: | hemodynamics |
| What is the functional significance of large areas of cardiac muscle being electrically coupled to form a single functional syncytium? | Because they form a syncytium, muscle cells can pass an action potential along a large area of the heart wall, stimulating contraction in each muscle fiber of the syncytium. |
| All of the following are nonsteroid hormones except: | cortisol. |
| Which of the following is true about pain receptors? | Alpha fibers are associated with sharp, localized pain. |
| The receptors responsible for sensing crude and persistent touch are the: | Ruffini corpuscles. |
| Sympathetic responses generally have widespread effects on the body because: | preganglionic fibers synapse with several postsynaptic fibers. |
| Which is(are) the neurotransmitter(s) in a somatic motor pathway? | Acetylcholine |