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Physiology
Study Stack #2, weeks 7-13
| Question | Answer |
|---|---|
| The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is | sodium-potassium pump |
| There are two types of synapses—the electrical synapse and the __________ synapse. | chemical |
| The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |
| Nerves that innervate the floor of the pelvic cavity and some of the surrounding areas are found in the _____ plexus. | coccygeal |
| Normal infants will show the Babinski reflex up to the age of _____ years. | 1.5-2 |
| The clear and potassium-rich fluid that fills the labyrinth | endolymph |
| The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is | malleus, incus, and stapes |
| Visceroceptors are located in | Internal organs |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as | hematopoietic stem cells |
| A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin |
| a powerful poison that acts directly on any cell and quickly kills it? | lymphotoxin |
| Memory cells.... | become plasma cells when exposed to an antigen |
| Activities that result in central movement or flow of lymph are called | lymphokinetic activities |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? | immunoglobulin M |
| Ciliated cells lining the respiratory tract: | help move the mucus blanket toward the pharynx |
| Boyle’s law states that the volume of a gas varies _____ with pressure at a _____ temperature. | inversely; constant |
| Which gas law deals with the solubility of gases in solution? | Henry |
| The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen | passively out of |
| openings that must be blocked when food moves from the pharynx into the esophagus? | Oropharynx |