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Gabriel M
Study Stack set 2
| Question | Answer |
|---|---|
| The neurotransmitter that inhibits conduction of pain impulses is: | Enkephalins |
| When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: | Saltatory conduction |
| No impulse can be sent through a neuron during the: | Absolute refractory period |
| In comparison with the nervous system, the regulatory effects of the endocrine system are: | slow to appear but long-lasting. |
| The body’s defense mechanisms can be organized into one of two major categories of immune mechanisms; these are | innate and adaptive immunity. |
| _______ is the only antibody class with the ability to cross the placental barrier, providing passive immunity to the developing fetus during pregnancy. IgE. | IgG |
| Ciliated cells lining the respiratory tract: | help move the mucus blanket toward the pharynx. |
| External respiration can be defined as: | the exchange of gases between the lung and the blood capillaries in the lung AND pulmonary ventilation. |
| The function of the vibrissae in the vestibule is to: | provide an initial “filter” to screen particulate matter from air that is entering the system. |
| Nerve impulses over the _____ nerve cause increased peristalsis and decreased heart rate. | vagus |
| Cerebrospinal fluid is formed by filtration of blood in the: | choroid plexuses. |
| T/F Most effectors of the autonomic nervous system are dually innervated by sympathetic and parasympathetic neurons. | True |
Created by:
burrito21
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