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Phys Ex 3 Spr 12

QuestionAnswer
All sensory input has pathways that project from the peripheral nervous system to the central nervous system. Which of the following is the correct pathway for our sense of hearin: cranial nerve VIII-->medulla oblongata->pons->pons->midbrain and thalamus->auditory cortex
Which of the following statements are true concerning vision? rods are more numerous than cones, and the oculomotor nerve (III) controls both pupil diameter and lens shape
Regarding sleep: dreaming can occur at stage 1 (REM) or stage 4 (deep slow sleep); sleep may help us to "recharge" or allocate sufficient energy to maintain our immune systems; some species, like mammals, can sleep one hemisphere at a time
Concerning the nervous system: the autonomic nervous system innervates tissues including cardiac and smooth muscle
___ are specific neuronal pathways in which memories are stored memory traces
Which of the following CNS regions play a functional role in sexual orientation hypothalamic nuclei such as the SDN-POA
Memories are more likely to be created when ____ levels are elevated epinephrine
Which of the following senses uses free nerve endings as sensory receptors: olfaction
Which of the following is true concerning sensory coding: as convergence of primary neurons onto secondary neurons increases, acuity decreases
Pacinian corpuscles and Ruffini corpuscles are examples of mechanoreceptors
Awareness of body position in space is known as nociception false
olfactory receptors are free nerve endings true
Olfactory receptors synapse with neurons in the ____ which then project to the ___ olfactory bulb, olfactory cortex
Which is true regarding phototransduction none of the above
Which of the following is true regarding visual processing none of the above
peripheral drift optical illusions make two identical colors look different by using shadow and light false
This best explains our ability to localize sound the neurons carrying auditory input are ipsilateral and contralateral in both the left and right auditory cortex
Concerning the sensory receptor to the right it releases neurotransmitter even at rest, it can be found, for example, in the semicircular canals and otolith organs; it is used in hearing and equilibrium pathways
The sympathetic nervous system is most active during fight or flight whereas the parasympathetic is most active during tend and befriend situations False
During step one of the stress response (emergency theory), which of the following are effects of epinephrine and norepinephrine release? increased heart rate
In question 38 (epinephrine and norepinephrine increase heart rate) the majority of epinephrine comes from the ____ and norepinephrine from the ____ adrenal medulla, sympathetic NS
As discussed in the course textbook, Van Gogh appears to have suffered from, contributing to him cutting off his ear and eventually killing himself Meniere's disease
Two point discrimination tests demonstrate that touch sensitivity varies over different parts of the body
____ is when multiple sensory receptors function together to send more highly resolved information into the CNS population coding
In the 60 Minutes video, the main point of the Harvard researcher (Dr. Irving Kirsch) central to the story was that individuaqls taking antidepressants may be getting better, not because of the antidepressant drug they are taking but rather a placebo effect
In the 60 minutes video, we learned that the FDA testing requirement for psychiatric drugs is that as long as two studies show a positive effect of a drug, no matter how many show no or negative effect, it can be considered for approval
In the 60 minutes video, which of the conditions below were mentioned in relation to studies demonstrating placebo effects irritable bowel, parkinson's, chronic knee pain
Which of the following is on our D2L discussion site? All of the above
____ won the Oklahoma Republican Primary Rick Santorum