front 1 The gaps between Schwann cells found at regular intervals in peripheral system neurons are called _____ | back 1 Nodes of Ranvier |
front 2 The four major parts of the brain are the cerebrum, the diencephalon, the brain stem, and the _____ | back 2 Cerebellum |
front 3 The brain dysfunction where blood suppy to a region (or regions) of the brain is blocked and vital brain tissue dies, as by a blood clot or a ruptured blood vessel, is called ___ | back 3 A stroke |
front 4 The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called ____ | back 4 Meninges |
front 5 The large fiber tract that allows communication between the two cerebral hemispheres is ___ | back 5 Corpus Callosum |
front 6 Progressive degenerative disease that results in dementia associated with a shortage of acetylochline and structural changes in brain areas involving cognition and memory is? | back 6 Alzheimers |
front 7 The term central nervous system refers to the ___ | back 7 Brain and spinal cord |
front 8 The neuron processes that normally revive incoming stimuli are called ____ | back 8 dendrites |
front 9 A neuron with a cell body located in the CNS whose primary function is connecting other neurons is called a(n) ____ | back 9 Association neuron |
front 10 The point at which an impulse from one nerve cell is communicated to another nerve cell is the ____ | back 10 synapse |
front 11 The substance that is released at axonal endings to propagate a nervous impulse is called ___ | back 11 a neurotransmitter |
front 12 The correct sequence of a typical reflex arc is ____ | back 12 Receptor, afferent neuron, interrogation center, efferent neuron, effector |
front 13 Muscles and glands are ___ | back 13 effectors |
front 14 The three major parts of the brainstem are ___ | back 14 Midbrain, pons, medulla oblongata |
front 15 A shallow groove located on the surface of the cerebral cortex is called a ____ | back 15 Sulci |
front 16 The single, deep groove seperating the two cerebral hemispheres is the ____ | back 16 longitudinal fissure |
front 17 Elevated ridges located on the surface of the cerebral hemisphere are called ____ | back 17 Gyri |
front 18 If the specialized area of the cerebral hemisphere corresponding to Borca's area is damaged, what is the result? | back 18 Motor control of the speech muscles is lost |
front 19 Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the ___ | back 19 hypothalamus |
front 20 Vital centers for the control of the viscreal activities such as heart rate, breathing, blood pressure, swallowing, and vomiting, are located in the ____ | back 20 medulla oblongota |
front 21 The hypothalamus is the ___ of the body because ___ | back 21 Is the thermostat of the body because it regulates body temperature |
front 22 Which of the following represents the correct sequence from outermost to innermost layers of the meninges? | back 22 dura mater, arachnoid mater, pia mater |
front 23 The subarachnoid space lies directly between the ____ | back 23 arachnoid mater and pia mater |
front 24 The cerebrospinal fuid ___ | back 24 is continually formed, mostly by the chroid plexuses |
front 25 The blood-brain barrier is effective against the passage of ___ | back 25 metebolic waste |
front 26 What is an example of a traumatic brain injury? | back 26 cerebral edema |
front 27 The spinal cord has gray matter on the ___ | back 27 inside, white matter on the outside, and ventral motor root |
front 28 What is the correct sequence of nerves that exit the spinal cord, going from superior to inferior? | back 28 cervical spinal nerves,thoracic spinal nerves, lumbar spinal nerves, sacral spinal nerves |
front 29 What is the correct sequence in connective tissue sheaths, going from outermost to innermost layer? | back 29 epineurium, perineurium, endoneurium |
front 30 Afferent nerves are called ____ , and motor nerves are called ____ ? | back 30 sensory nerves; efferent nerves |
front 31 The sympathetic and parasympathetic nervous systems are subdivisions of the ___ | back 31 autonomic nervous system |
front 32 preparing the body for "flight or flight" response during threatening situations is the role of the ____ | back 32 sympathetic nervous system |
front 33 What is not a result of parasympathetic stimulation? | back 33 dialation of the pupils |
front 34 Only ___ muscle cells are composed of branching chains of cells | back 34 cardiac |
front 35 Skeletal muscle is often attached to bone by strong, cordlike,cstructures called ____ | back 35 tendons |
front 36 The gap between the motor neuron and the muscle fiber it supplies at the neuromuscular junction is called the ___ | back 36 synapse |
front 37 The sliding filament theory involves sliding of the ____ filament during skeletal muscle contraction as each cross bridge attaches and detaches several times. | back 37 actin |
front 38 The only energy source that can be used to directly power muscle activity is ___ | back 38 ATP |
front 39 A smooth, sustained contraction is called ____ | back 39 tetanus |
front 40 What function does a calcium ions preform during skeletal muscle contraction? | back 40 expose myosin binding sites on the actin |
front 41 The movement that is commonly seen in a ball-n-socket joint, that includes a combination of flexion, extension, abduction, and adduction is called ____ | back 41 circumduction |
front 42 The end of the musclethat is attached to the relatively more moveable bone and moves when a skeletal muscle contacts is called the ____ | back 42 insertion |
front 43 What muscle tissue has involuntary regulation of contraction? | back 43 Cardiac and smooth muscle |
front 44 The muscle tissue type that consists of single, very long, cylindrical, multinucleate cells with very obvious striation is ___ | back 44 Skeletal muscle |
front 45 What connective tissue sheaths surrounds an individual skeletal muscle cell? | back 45 endomysium |
front 46 What is not a function of the muscular system? | back 46 hematopsiesis |
front 47 A sacromere is ___ | back 47 The contractile unit between two Z lines |
front 48 What is composed of myosin protein? | back 48 Thick filaments |
front 49 The mechanical force of contraction is generated by ___ | back 49 A sliding of thin filaments past thick ones |
front 50 Acetylcholine is ___ | back 50 A source of energy for muscle contraction |