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| Question | Answer |
|---|---|
| The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is the | sodium-potassium pump. |
| A synaptic knob would be located on a | axon. |
| Impulses from the _____ play a part in arousing or alerting the cerebrum. | thalamus |
| The part of the brain that assists in the maintenance of balance is the? | cerebellum. |
| The type of cells that secrete ACTH are | corticotropes |
| The clear and potassium-rich fluid that fills the labyrinth is | endolymph. |
| 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 glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin. |
| The body’s defense mechanisms can be organized into one of two major categories of immune mechanisms; these are | innate and adaptive immunity. |
| Molecules formed by the reactions of the complement cascade assemble themselves on the enemy cell’s surface, which results in | cytolysis. |
| Standard atmospheric pressure is _____ mm Hg. | 760 |
| The approximate partial pressure of oxygen at standard atmospheric pressure is about _____ mm Hg. | 160 |
| Glucose moves from the GI tract into the circulatory system by the process of: | cotransport. |
| The substances absorbed into the lymph capillaries are | glycerol and fatty acids |