,STUDY GUIDES,TESTBANKS AND QUALITY EXAMS IS THE KEY TO STUDENTS CAREER EXCELLENCE!!!

How do hormones act? - correct answers In a gradual fashion Hormones have what kind of secretion? - correct answers Pulsatile secretion, in bursts Some hormones are controlled by what? - correct answers Circadian clocks Distance neural communication is active over? - correct answers Millimeters Distance hormonal communication is active over? - correct answers Meters Speed of neural communication action? - correct answers Milliseconds Speed of hormonal communication action? - co...

_______ refers to the ability to choose certain sensory inputs for further information processing while ignoring others. - correct answers Selective attention The ability to direct attention independently of gaze or eye fixation is called - correct answers covert attention In dichotic listening studies, Cherry (1953) presented competing speech stimuli to each ear and asked participants to verbally "shadow" (immediately report) the signal arriving at one ear while ignoring the other. ...

The two parts of the CNS are the brain and the: A. Spinal Cord B. Brainstem C. Nerves D. Autonomic Nervous System - correct answers A. The Cerebellum A. Coordinated fine muscle movement B. Relays sensor info to cerebral cortex C. Relays info between cerebral cortex and cerebellum D. Regulates the heartbeat and breathing E. Controls thinking and sensing functions - correct answers A. Why is the use of the adjective minor for the right hemisphere misleading and inappropriate? A....

T - correct answers The TMS pulse can directly alter neural activity in a spherical area of approximately 1 cm(3) F - correct answers The best neuroimaging method for visualizing the white and gray matter is computed tomography (CT) F - correct answers A knockout mouse has damage to a particular neural structure due to a physical lesion. F - correct answers PET would be best for visualizing a skull fracture F - correct answers MRI can be thought of as a three-dimensional x-ray T -...

What is meant by quantal release of neurotransmitter? - correct answers - The total amount of transmitter released is a multiple of the number of transmitters in each vesicle - It reflects the number of transmitter molecules in one synaptic vesicle and the number of postsynaptic receptors available at the synapse The elementary unit of a neurotransmitter release is - correct answers The content of one synaptic vesicle The amplitude of postsynaptic EPSP is a multiple of - correct answers ...

What notion was displaced by the concept of nerves being described as wires? A) Nerves are channels that communicate with the brain by the movement of the fluids. B) Muscles can be twitched when nerves are stimulated electrically and the brain itself may generate electricity. C) Signals to the muscles causing movement use the same wires as those that register sensations from the skin. D) Nerves conduct electrical signals to and from the brain. - correct answers A) Nerves are channels that co...

Are the dorsal root ganglia in the CNS or PNS? - correct answers They lie outside the spinal cord - therefore they are in the PNS The somatic sensory neurons collect information from the ___, ____, and ______, and enter the spinal cord through the ______ roots to synapse on __________. - correct answers - the skin, muscles, and joints, - dorsal - dorsal root and ventral root neurons The cell bodies of these neurons lie outside the spinal cord in clusters called dorsal root ganglia - cor...

the group of brain structures that are involved in generation and experience of emotions, includes amygdala, hippocampus, and part of thalamus, also functions in motivation, olfaction, behavior, and memory, communicates with sensory areas of cerebrum, diverse emotions - correct answers limbic system structure most important to storage of emotion in the memory, mass of nuclei near base of cerebrum, in temporal lobes, two per person, assesses info for threat level and emotional significance, di...

Microtubules are the essential stationary tract used for what type of axonal transport? a. slow axonal transport b. fast anterograde axonal transport c. fast retrograde transport d. all of the above e. b and c - correct answers e. fast anterograde and fast retrograde Somatic efferent (motor neurons) fibers are classified as: a. unipolar cells b. bipolar cells c. multipolar cells d. pseudo-unipolar cells - correct answers c. multipolar cells In most neurons, the cell body represent...

the human brain is estimated to consist of approximately __________ nerve cells (neurons). a) 500 billion b) 500 million c) 100 billion d) 100 million - correct answers c) 100 billion after an accident, David has difficulty understanding what other people say to him. it is highly likely that David has suffered damage to ________. a) his parietal lobe b) his frontal lobe c) his Broca's area d) Wernike's area - correct answers d) Wernike's area the part of the brain t...