click below
click below
Normal Size Small Size show me how
Dawn Dawson
Psychology Final Stack
| Question | Answer |
|---|---|
| During a relative refractory period: | the action potential can be initiated with a strong stimulus. |
| A mixed nerve is one that: | carries both sensory and motor fibers. |
| Danielle has sustained an injury that has reduced her ability to complete simple tasks such as lifting a pencil, manipulating eating utensils, and brushing her hair. The injury has affected the _____ motor pathways _____ the central nervous system (CNS). | voluntary; outside |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA. |
| Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. | tectorial |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
| The chemoreceptors in the carotid bodies are particularly sensitive to: | hypercapnia. |
| The vagus is said to act as a “brake” on the heart. This situation is called | vagal inhibition. |
| The substances absorbed into the lymph capillaries are: | glycerol and fatty acids. |
| The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. | passively out of |
| The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called: | gastric inhibitory peptide. |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | vasoactive intestinal peptide. |
| The intestinal hormone cholecystokinin: | causes the pancreas to increase exocrine secretions high in enzyme content, opposes the influence of gastrin on gastric parietal cells and stimulates the contraction of the gallbladder. |
| External respiration can be defined as: | the exchange of gases between the lung and the blood capillaries in the lung and pulmonary ventilation. |
| By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? | 97% |