Quiz
Quiz 1b
Perguntas do quiz (30)
1A tumour in the temporal lobe may give rise to:
- AFlashes of light
- BProlonged yawning
- COlfactory hallucinations
- DVisual hallucinations
2According to the trichromatic theory of colour vision, ___.
- AThere are only three colours of light in the world
- BRods are important for perception of light colours
- CThere are only three rods and three cones in each eye
- DOur perception of colour depends on the relative activity of three types of cones
3Which of the following best characterises how axons arrive at the correct target cells?
- AThey follow electrical gradients
- BThey follow chemical gradients from the target cell
- CAxons send out chemicals to the target cells
- DTarget cells send out branches for the axons to follow
4Children with strabismus often fail to develop:
- APerception of movement
- BAny kind of depth perception
- CStereoscopic depth perception
- DThe ability to recognise faces
5Damage to which hindbrain structure would be most life-threatening?
- AOccipital cortex
- BMedulla
- CCorpus callosum
- DCerebellum
6Diaschisis refers to the:
- AIncreased activity in the cerebral cortex after damage to any part of the brain
- BDecreased activity of surviving neurons after other neurons are damaged
- CIncrease in activity of neurons surrounding a damaged area
- DIncreased activity in the hypothalamus after damage to any part of the brain
7If some of the axons innervating a given cell are destroyed, what compensatory process takes place in the REMAINING presynaptic cells?
- AActivation of previously silent synapses
- BCollateral sprouting
- CExcess production of myelin
- DRemoval of toxins
8If you wanted to see a faint star at night, you should:
- ALook at a mirror’s reflection of it
- BStare straight at it
- CLook slightly to one side
- DWait until daytime
9In comparison to the cones, rods ___.
- AAre more common toward the centre of the retina
- BReach their peak firing levels slowly
- CAre more sensitive to detail
- DAre more sensitive to dim light
10In humans, the optic nerves from the two eyes follow what pathway?
- AHalf of the axons from each eye cross to the other side at the optic chiasm
- BThey go directly to the contralateral hemisphere, without contacting each other
- CThey go directly to the ipsilateral hemisphere, without contacting each other
- DThey combine to send identical information to each hemisphere
11In what order does visual information pass through the retina?
- AReceptor cells, bipolar cells, ganglion cells
- BBipolar cells, receptor cells, ganglion cells
- CGanglion cells, bipolar cells, receptor cells
- DReceptor cells, ganglion cells, bipolar cells
12Ischemia is to ____ as haemorrhage is to ____.
- AProximal; distal
- BOlder individuals; younger individuals
- CRupture; obstruction
- DObstruction; rupture
13Parvocellular neurons most likely receive input from:
- ABipolar cells that receive input from cones
- BRods
- CThe periphery of the retina
- DMagnocellular neurons
14Secretions from which glad will also affect the secretion of hormones from the thyroid gland, adrenal gland, and ovaries or testes?
- APituitary gland
- BPancreas
- CThymus gland
- DPineal gland
15Which part of the cerebral cortex is most important for the sense of touch?
- AFrontal lobe
- BParietal lobe
- CTemporal lobe
- DOccipital lobe
16Soon after cells have differentiated as neurons or glia, they __.
- AProliferate
- BMigrate
- CMyelinate
- DRelease excess glutamate
17Rods are to __ as cones are to __.
- Athe periphery; the fovea
- Bvertabrates; invertabrates
- Cred; blue
- Dsize constancy; shape constancy
18Sympathetic ganglia:
- AAct more independently than do parasympathetic ganglia
- BAre closely linked and often act as a single system
- CAre located inside the spinal cord
- DHave short postganglionic fibres extending to internal organs
19The cell bodies of sensory neurons that are in clusters of neurons outside the spinal cord are called ___.
- ADorsal root ganglia
- BVentral root ganglia
- CSensory nuclei
- DSensory clusters
20As axons from the spinal cord enter the skull, which structure do they enter?
- Amidbrain
- Bhindbrain
- Ccerebellum
- Dforebrain
21The function of neurotrophins is to ___.
- ABe used as fuel
- BSignal that an axon has been “rejected”
- CInhibit proliferation
- DPromote survival of axons
22The visual path in the parietal cortex is referred to as the:
- AVentral stream
- BParvocellular pathway
- CDorsal stream
- DMagnocellular pathway
23Together, the somatic nervous system and the autonomic nervous system make up the ___ nervous system.
- ACentral
- BPeripheral
- CSympathetic
- DDorsal
24Superior colliculus is to __ as inferior colliculus is to __.
- Ahearing; vision
- Bvision; hearing
- Ctaste; smell
- Dvision; touch
25What do the corpus callosum and anterior commissure have in common?
- AThey both produce CSF
- BThey each have 6 laminae
- CThey are made up of gray matter
- DThey both connect the two hemispheres
26An electroencephalograph measures:
- Athe average activity of the cells in a given region of the brain
- Bthe electrical resistance of hair
- Cthe rate of glucose uptake in active regions of the brain
- Daction potentials in an individual neuron
27Which of the following brain imaging techniques does NOT provide a functional measure of brain activity?
- AMRI
- BMEG
- CfMRI
- DEEG
28The precentral gyrus is essential for the __.
- Aregulation of emotions
- Bcontrol of fine movements
- Cattention to hunger and thirst
- Dcoordination between vision and hearing
29Which statement best characterises the fovea?
- AIt has more rods than cones
- BIt has the greatest perception of detail
- CIt falls in the shadow cast by the pupil
- DIt surrounds the point of exit in the optic nerve
30___ cells proliferate after a stroke.
- AIschemia
- BPenumbra
- CCancer
- DMicroglia
Informações
- Descrição
- Weeks 04 - 05
- Autor
- S E
- Idioma
- English
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- Criado em 17 jun 2019 · atualizado em 17 jun 2019
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