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Samantha Childress
Week 7-13
Question | Answer |
---|---|
Stimulus-gated channels open in response to | sensory stimuli |
Neurotransmitters are released in a synapse and bind to | receptors on the postsynaptic neuron |
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 |
Nerves that innervate the floor of the pelvic cavity and some of the surrounding areas are found in the _____ plexus | coccygeal |
Which of the following is not associated with the oculomotor nerve? | Closing and opening of the eye (blink reflex) |
Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |
Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center |
Recognition of antigens by antibodies occurs when an | antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site. |
During inspiration, the expansion of the lungs causes | an increase in intrathoracic pressure from about –6 to –4 mm Hg |
Which of the following constitutes total lung volume? | Residual volume and tidal volume |
Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food? | Cephalic phase |
Hydrolysis refers to | using water to split larger compounds into smaller ones |
Which of the following symbols/abbreviations is used to represent the negative logarithm of the number of hydrogen ions present in 1 liter of a solution? | mEq/L |
Although both acid and base components are important, the homeostasis of body pH largely depends on the control of _____ ion concentration in the _____ fluid | hydrogen; extracellular |