click below
click below
Normal Size Small Size show me how
Exercise Physiology
Question | Answer |
---|---|
T or F? The peripheral nervous system contains the brain and spinal cord? | False |
T or F? The neurons in your foot are the same as the neurons in your brain? | True |
What are the two divisions of the autonomic nervous system? | Sympathetic and Parasympathetic |
What controls voluntary movements? | Somatic Nervous system |
What are the incoming sensory neurons called? | Afferent |
What are the outgoing motor neurons called? | Efferent |
What part of the nervous system is known as the rest and digest system? | Parasympathetic |
What part of the nervous system is known as the fight or flight system? | Sympathetic |
What are the three parts of a neuron? | Cell body, axon, and dendrites |
What part of the neuron receives the signal? | Dendrites |
What part of the neuron sends the signal? | Axon |
What part of the neuron contains the nucleus? | Cell body |
What is the resting membrane potential of a neuron? | -70mV |
T or F? At rest, there are more potassium ions outside the neuron? | False |
T or F? At rest, the inside of a neuron is more negative than outside? | True |
What is it called when the inside of a cell becomes less negative? | Depolarization |
What is it called when the inside of a cell becomes more negative? | Hyperpolarization |
T or F? Action potentials are inhibitory? | False |
What is the threshold at which generates an action potential? | -55mV |
What refractory period occurs during depolarization? | Absolute |
What refractory period occurs during repolarization | Relative |
T or F? Action potentials can only travel one direction? | True |
What connects the left and right hemispheres of the brain? | Corpus callosum |
What is the outermost layer of the cerebrum? | Cerebral Cortex |
Which lobe of the brain is used for visual input? | Occipital lobe |
What lobe of the brain is the primary motor cortex located? | Frontal lobe |
What is the major sensory relay center in the brain? | Thalamus |
What is the regulatory center of homeostasis in the brain? | Hypothalamus |
What relays information between the brain and the spinal cord? | Brian Stem |
Which receptor senses pain? | Nociceptors |