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PHYSIO
Study Stack #1
| Question | Answer |
|---|---|
| A patient with a combined immune deficiency lacks | T and B lymphocytes |
| Among the many innate defences the body has to pathogens, the first line of defense is the | skin and mucous membranes |
| The eukaryotic cell consists of three general components: | The plasma membrane, cytoplasm, and the intracellular organelles |
| Network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement | cytoskeleton |
| Caused by the failure of cells to receive or use oxygen. Deprivation of oxygen may be partial (hypoxia) or total (anoxia) | asphyxiation |
| Major components of the innate response | Natural barriers and elimination |
| Differentiate between a primary and secondary immune response | Primary Immune Response is the reaction of the immune system when it contacts an antigen for the first time. Secondary Immune Response is the reaction of the immune system when it contacts an antigen for the second and subsequent times |
| The mechanisms that produce and maintain the resting membrane potential do so by producing a | slight excess of positive ions on the outer surface of the plasma membrane |
| Which membrane receptor acts to directly change ion permeability when stimulated? | Gated-channel receptor |
| Which neuron could transmit a nerve impulse the fastest? | A large diameter neuron with myelin |
| No impulse can be sent through a neuron: | during the absolute refractory period |
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