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47 Cards in this Set
- Front
- Back
Sensory fibers from the periphery that carry nociceptive information terminate on neurons in the ___________ |
superficial layers of the dorsal horn. |
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Capsaicin binds to the receptors __________ |
responsive to sudden increases in temperature. |
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Receptive field is the __________ (one word) in which a stimulus will alter a neuron's firing rate |
Space |
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Which of the following skin receptors are especially sensitive to stretching of the skin? |
Ruffini's endings |
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Which of the following regions has been implicated in the motivational aspects of attention? |
Cingulate Cortex |
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Pain perception is adaptive because it helps minimize the effects of a noxious stimulus by __________ |
Provoking inactivity |
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Cortical neurons that respond to information in more than one sensory modality are known as ______________ |
polymodal cells. |
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The representation of the human body in the somatosensory cortex especially emphasizes the ___________ |
hands and lips. |
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Cells in the somatosensory area are arranged in a __________(one word)-like manner. |
map |
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The somatosensory system detect body sensation of ____________ |
Both Pain and Touch |
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Phantom limb pain is an example of _______ pain. |
neuropathic |
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Which of the following statements describes range fractionation? |
Specific nerve cells can act as specialists in particular segments of an intensity scale. |
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The progressive loss of sensitivity of a sensory receptor as a consequence of sustained stimulation is known as ___________ |
adaptation. |
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New neurons are form from _________. |
Non-differentiated cells |
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During the first 10 weeks of gestation a developing human being is called __________ |
Embryo |
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Which of the following terms IS NOT a stage of neural development? |
Epigenetics |
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Which of the following IS/ARE NOT associated with growth cones? |
Mitotic lineage |
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The developing nervous system relies on ________ and __________. |
genetic information / its environment |
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A consequence of the expression of death genes is |
Cutting up of DNA |
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The term ______________(one word) refers to the programed cell death |
Apoptosis |
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The _______________(one word) induces the spinal cord cells to develop as motoneurons. |
notochord |
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The neural tube will originate the ____________ |
All of the above |
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What factors are thought to guide migrating cells in the developing brain? |
Cell adhesion molecules |
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Certain growing axons are prevented from crossing the midline by the _______ action of the protein slit |
chemorepellent |
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Which of the following statements about clones IS FALSE? |
The have identical brains |
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The study of external factors that affect gene expression is generally referred as _____________(one word) |
Epigenetics |
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A _____________ (one word) is a change in the genetic structure. |
Mutation |
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Most of the mitosis that will give rise to the nervous system takes place in the ____________ |
Vertical Layer |
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Radial glial cells stretch between the _______ and _______ surfaces of the developing nervous system. |
Inner; Outer |
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there are two mechanisms during cell differentiation, one is the _____________ and the second is _______________ |
cell autonomous / neural environment |
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There is/are _________(one word) living human species. |
One |
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Which of the following hominids emerged first in the course of evolution? |
Australopithecus |
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The word “morphology” refers to ________ |
the structure and form of a body or body part. |
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The description of the evolutionary history of a species is called ______________ |
phylogeny. |
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The term ______________ (1 word) implies that bones of the same sort are found in forelimbs of seals, bats and humans. |
Homolgy |
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The greater the encephalization factor of a species, ________________ |
the higher its value above the diagonal on a plot of brain weight versus body weight. |
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According to the Natural selection theory. __________ mutations hamper reproduction. |
Unfavorable |
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Which of the following can be used as a kind of “molecular clock” to help determine how long ago a species diverged from a common ancestor? |
Comparison of DNA samples |
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The tail of the male peacock (of the peafowl species) is _______; therefore; it must confer some _______ advantage. |
energy demanding; reproductive |
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Because brain expansion and technological progress were not well correlated in early hominids, it has been suggested that __________ (one word) selection is responsible for the brain expansion |
Sexual |
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The___________(one word) technique is used to study the brain volume of fossils. |
Endocast |
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Among vertebrates, all mammals ________ basic brain structures. |
share the same |
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Which of the following statements regarding Darwinian evolution is FALSE? |
Morphological changes that occur during an individual's lifetime are passed on to the next generation. |
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Which of the following features of the nervous system is not share among vertebrates? |
Development from a main cluster of neural dish structure |
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The streamlined body forms of the tuna and the dolphin provide an example of ___________ |
Homoplasy |
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The field of study that involves the classification of animals into groups is called _________ |
Taxonomy |
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Which of the following factors CANNOT produce developmental disorders? |
Physical Activity during Pregnancy |