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final review
| Question | Answer |
|---|---|
| The first event to occur when an adequate stimulus is applied to a neuron is: | some of the sodium channels at the point of stimulation open. |
| There are two types of synapses—the electrical synapse and the __________ synapse. | chemical |
| How does a dually innervated autonomic effector differ from a singly innervated autonomic effector? | A dually innervated effector receives input from both sympathetic and parasympathetic pathways. A singly innervated autonomic effector receives input from only the sympathetic division. |
| The vomiting reflex is mediated by the: | medulla |
| The clear and potassium-rich fluid that fills the labyrinth is | endolymph. |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA. |
| Blood viscosity stems mainly from the red blood cells but also partly from the _____ in blood. | protein molecules present |
| All of the following are components critical to coagulation except | none of the above; all of these components are critical to coagulation |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? | immunoglobulin M |
| Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the | lymphocyte. |