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| 13106113694 | EEG (electroencephalography) is: | recording of the electrical activity of the brain | 0 | |
| 13106127185 | In what lobes are the strongest waves found? | -parietal -occipital | 1 | |
| 13113113051 | Neuron RMP (resting membrane potential)? | -.70 | 2 | |
| 13113255109 | Frontal lobe function? | personality | 3 | |
| 13113425671 | What are the 2 high frequency waves? | -alpha -beta | 4 | |
| 13113506396 | What are the 2 low frequency waves? | -delta -theta | 5 | |
| 13113729961 | Delta and theta waves are high/low frequency and can be related to what activity? | low; (light) sleep | 6 | |
| 13113704459 | Alpha and beta waves can vary together depending on ___________. | activity | 7 | |
| 13113549527 | Synchronized state means _________ are acting together. | neurons | 8 | |
| 13113421630 | In synchronization the _______ wave increases and is obvious. | alpha | 9 | |
| 13113604790 | Synchronization can be caused by? | -relaxed state -eyes closed -extrovert | 10 | |
| 13113564028 | Desynchronization can be caused by? | -alert/awake state -eyes open (many stimuli) -multitasking -stress | 11 | |
| 13113587224 | Desynchronization is caused when you increase/decrease stimulation. The amplitude/frequency is less due to chaos. | increase; amplitude | 12 | |
| 13113535972 | Alpha/beta waves are created in a synchronized state? | alpha | 13 | |
| 13113539034 | Alpha/beta waves are created in a desynchronized state? | beta | 14 | |
| 13113514618 | Amplitude/frequency is how often neurons are being excited? | frequency | 15 | |
| 13113527486 | The 3 type of neurons are? | -motor -sensory -interneurons | 16 | |
| 13113523234 | Interneurons are efferent/afferent? | efferent | 17 | |
| 13113693325 | In alpha waves amplitude/frequency is maximized in a relaxed state. | amplitude | 18 | |
| 13113698784 | In beta waves amplitude/frequency is maximized when multitasking. | frequency | 19 | |
| 13113738427 | Alpha block is also considered the _______ wave or __________________. | beta; desychronization | 20 | |
| 13113757588 | Delta waves increase during______ and increase in amplitude/frequency? | concentration; amplitude | 21 | |
| 13113760389 | Theta waves increase during and increase in amplitude/frequency? | emotional response; amplitude | 22 | |
| 13113764895 | What are the two control factors in EMG's? | amplitude and frequency | 23 | |
| 13113771216 | An increase in clench strength results in an increase in amplitude/frequency? | amplitude | 24 | |
| 13113781900 | Hyperventilation causes? | -CO2 levels to fall -pH increase -Decrease of acid in blood | 25 | |
| 13113797405 | Hyperventilation causes an increase in alpha/beta wave amplitude/frequency? | alpha; amplitude | 26 | |
| 13113832763 | Alpha/beta wave stimulation are when interneurons connect but are not in sync. Amplitude may or may not increase. | beta wave | 27 | |
| 13113848539 | Beta waves are high in ___________ and low in _____________. | frequency; amplitude | 28 | |
| 13113855136 | Alpha waves are high in __________ and ____________. | amplitude and frequency | 29 | |
| 13113880309 | EEG's amplitude is expressed by what measurement? | microvolts (uV) | 30 | |
| 13113898248 | EEG's frequency is expressed by what measurement? | Hz or cycles/sec | 31 | |
| 13113910552 | Occipital lobe function? | visual processing | 32 | |
| 13113914267 | Parietal lobe function? | somatosensory processing (denoting a sensation- such as pressure, pain, or warmth) | 33 | |
| 13113959114 | The brain is encased by the ____________. | cranium | 34 | |
| 13113964416 | The largest part of the brain immediately beneath the bones of the cranium is called the __________ __________. | cerebral cortex | 35 | |
| 13113934472 | Why is it easy to detect brain activity? | b/c each region of the cerebral cortex is busy receiving, integrating and sending many impulses | 36 | |
| 13113954169 | One square millimeter of cortex has more than _________________ neurons. | 100,000 neurons | 37 | |
| 13113978155 | Females tend to have higher amplitude/frequency in alpha waves than males. | frequency | 38 | |
| 13113992454 | Alpha/beta waves diminish when subjects open their eyes. However, subjects trained in relaxation may maintain these high amplitude waves. | alpha | 39 | |
| 13113994757 | What waves can be linked to REM or associated with remembering/retrieving memories? | beta waves | 40 | |
| 13114042883 | Where should electrodes be placed? | -frontal -parietal -temporal -occipital | 41 | |
| 13114086743 | T/F: Bipolar method (behind ear is ground/point of reference and the other electrodes measured diff in electrical potential between the two positions above the brain) was used in lab. | true | 42 | |
| 13114092136 | EMG (electromyography) | a measurement technique that records the electrical activity of a muscle or group of muscles-it indicates the muscle activity | 43 | |
| 13114101272 | 3 kinds of muscle tissue that help maintain homeostasis? | -skeletal -smooth -cardiac | 44 | |
| 13114108737 | Primary function of muscle is to convert ___________ energy into ____________ work. | chemical; mechanical | 45 | |
| 13114112894 | Muscle cell is called? | muscle fiber | 46 | |
| 13114123915 | Skeletal muscles are stimulated by what nerves? | somatic motor nerves | 47 | |
| 13114136143 | T/F: Upon reaching the muscle, each nerve fiber innervates one individual muscle fibers. | false, it innervates several muscle fibers | 48 | |
| 13114148742 | T/F: The degree of skeletal muscle contraction is controlled by (2) things: - activating desired # of motor units within the muscle - controlling frequency of motor neuron impulses in each motor unit | true | 49 | |
| 13114190192 | When an increase in the ___________ of a muscle's contraction is necessary to perform a task, the brain increases the # of simultaneously active motor units within the muscle. This is known as? | strength; motor unit recruitment | 50 | |
| 13114205972 | What is a constant state of slight tension that serves to maintain the muscle in a state of readiness? | tonus | 51 | |
| 13114220484 | _________ is due to alternate periodic activation of a small number of motor units within the muscle by motor centers in the brain and spinal cord. | tonus | 52 | |
| 13114228759 | What is the changing of strength of muscle contraction or the extent of shortening in proportion to the load placed on the muscle? (smooth controlled movement of the body like swimming/jogging) | grading | 53 | |
| 13114253717 | T/F: the electrical impulse generated by an individual muscle fiber is very weak. | true | 54 | |
| 13114266958 | What is the detection, amplification, and recording of changes in skin voltage produced by underlying skeletal muscle contraction? | electromyogram (EMG) | 55 | |
| 13114276594 | Movement of an action potential along the length of an axon is? | propagation | 56 | |
| 13114289938 | Propagation of muscle and nerve impulses involves both _____________ and ______________. (causes negative and positive components) | polarization and depolarization | 57 | |
| 13114305651 | A chemical synapse formed by the contact between a motor neuron and a muscle fiber is called? | neuromuscular junction |  | 58 |
| 13114332311 | What nutrient is important when activating a muscle fiber? | calcium | 59 | |
| 13114349641 | Neurotransmitter of choice for muscle fibers? | acetylcholine (ACh) | 60 | |
| 13114360431 | The minimum amount of current required by neuron is called? | threshold | 61 | |
| 13114366958 | Increase in muscle contraction leads to (2): | -motor unit recruitment (# of fibers) - temporal summation (increase in freq) | 62 | |
| 13114376126 | Factors that effect contraction (4)? | -temp -health of motor units -female/male (testosterone) -age | 63 | |
| 13114390089 | How does testosterone effect muscles? | allows for muscle hypertrophy | 64 | |
| 13114402164 | Why is your dominant hand stronger then your non-dominant hand? | more tonicity in dominant from greater use | 65 | |
| 13114410558 | What are the 2 phases muscles experience? | -latency -refractory | 66 | |
| 13114420928 | A ___________ response occurs when entire muscles in the body gradually increase from slight to more forceful contractions. | graded | 67 | |
| 13114454074 | When a muscle is stimulated with a single, brief electrical impulse, the muscle undergoes a contraction known as a? | twitch | 68 | |
| 13114468523 | What is the flat line that precedes the actual contraction- the time between when the stimulus was delivered and when the muscle will begin to contract? *The time when the action potential travels across the muscle cell membrane and calcium ions are released from the sarcoplasmic reticulum (cannot contract appropriately). | latent (latency) period | 69 | |
| 13114486257 | The time a stimulus above threshold level that occurs too soon after a preliminary stimulus does not cause the muscle to contract? (relaxation/preparation to accept action potential) | refractory period (relaxation) | 70 | |
| 13114519636 | When a stimulus is applied shortly after the refractory period, a muscle contacts and the contraction strength is more pronounced? | temporal summation | 71 | |
| 13114534797 | If rapid, repeated stimuli are sent to a muscle, then the muscle produces a series of contractions called? | incomplete tetanus | 72 | |
| 13114547693 | If the frequency of the stimuli increases, the contractions fuse in a smooth contraction of the muscle called? | complete tetanus (d/n occur in living organisms) | 73 | |
| 13114553863 | Muscle Contraction pathway: -CNS (efferent) -synapse @ ventral horn -action potential (electrical current) -synapse between neuron and muscle fiber (neuromuscular junction) -ACh released (chemical signal) |  | 74 | |
| 13114596569 | The point at which the increase in voltage d/n lead to an increase in contraction strength? (the voltage where all muscle fibers are contracting) | maximum recruitment | 75 | |
| 13114683129 | What is sustained muscle contraction evoked when the motor nerve that innervates a skeletal muscle emits action potentials at a very high rate? | tetani | 76 | |
| 13114677542 | Muscle __________ occurs because you increase frequency/duration, increase stimulation which doesn't allow muscles to go through stages (tetani, interference). **all waves fuse into one** | fatigue | 77 |
