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Cassaundra Flores
Human Physiology weeks 7-13
| Question | Answer |
|---|---|
| What is true about an action potential? | The outside of the plasma membrane is negatively charged, and the inside is positively charged. |
| Severe depression can be caused by a deficit in certain brain synapses of: | amines. |
| What is true about a neuron with a resting potential? | The sodium pump has moved Na+ to the outside of the plasma membrane. |
| Serotonin is an example of a: | amine neurotransmitter. |
| Cerebrospinal fluid is formed by filtration of blood in the: | choroid plexuses. |
| What is a description of the principle of autonomic antagonism as it relates to the autonomic nervous system? | If sympathetic impulses tend to stimulate an effector, parasympathetic impulses tend to inhibit it. |
| 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 |
| Impulses from the _____ play a part in arousing or alerting the cerebrum. | thalamus |
| Accommodation for near vision necessitates | an increase in the curvature of the lens, constriction of the pupils, convergence of the two eyes. |
| Dynamic equilibrium depends on the functioning of the | crista ampullaris. |
| What is a function of glucagon? | Tends to increase blood glucose concentrations |
| Blood volume per kilogram of body weight varies inversely with: | body fat. |
| The chemoreceptors in the carotid bodies are particularly sensitive to: | hypercapnia. |
| The term used to describe the collection of mechanisms that influence the circulation of blood is: | hemodynamics. |
| The physiological mechanism that dissolves clots is known as | fibrinolysis. |
| Chemotaxis is the process by which a cell navigates toward the source of the chemotactic factor by way of | detecting and then moving toward higher concentrations of the factor. |
| _______ is the only antibody class with the ability to cross the placental barrier, providing passive immunity to the developing fetus during pregnancy. | IgG. |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? | immunoglobulin M |
| The function of which antibody is basically unknown? | IgD |
| The tendency of the thorax and lungs to return to the preinspiration volume is called: | elastic recoil. |
| Boyle’s law states that the volume of a gas varies _____ with pressure at a _____ temperature. | inversely, constant |
| One hundred milliliters of arterial blood contains approximately what volume percent of oxygen? | 20% |
| The approximate partial pressure of oxygen at standard atmospheric pressure is about _____ mm Hg. | 160 |
| Standard atmospheric pressure is _____ mm Hg. | 760 |
| The hormone that stimulates the gallbladder to release bile is: | cholecystokinin. |
| Cellulose is a residue of digestion that comes from: | carbohydrates. |
| The process of swallowing is known as: | deglutition. |
| The enterogastric reflex causes: | inhibition of gastric peristalsis. |
Created by:
cassaundraf