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Quiz 1b

Description

Weeks 04 - 05
S E
Quiz by S E, updated more than 1 year ago
S E
Created by S E over 5 years ago
99
2
0

Resource summary

Question 1

Question
A tumour in the temporal lobe may give rise to:
Answer
  • Flashes of light
  • Prolonged yawning
  • Olfactory hallucinations
  • Visual hallucinations

Question 2

Question
According to the trichromatic theory of colour vision, ___.
Answer
  • There are only three colours of light in the world
  • Rods are important for perception of light colours
  • There are only three rods and three cones in each eye
  • Our perception of colour depends on the relative activity of three types of cones

Question 3

Question
Which of the following best characterises how axons arrive at the correct target cells?
Answer
  • They follow electrical gradients
  • They follow chemical gradients from the target cell
  • Axons send out chemicals to the target cells
  • Target cells send out branches for the axons to follow

Question 4

Question
Children with strabismus often fail to develop:
Answer
  • Perception of movement
  • Any kind of depth perception
  • Stereoscopic depth perception
  • The ability to recognise faces

Question 5

Question
Damage to which hindbrain structure would be most life-threatening?
Answer
  • Occipital cortex
  • Medulla
  • Corpus callosum
  • Cerebellum

Question 6

Question
Diaschisis refers to the:
Answer
  • Increased activity in the cerebral cortex after damage to any part of the brain
  • Decreased activity of surviving neurons after other neurons are damaged
  • Increase in activity of neurons surrounding a damaged area
  • Increased activity in the hypothalamus after damage to any part of the brain

Question 7

Question
If some of the axons innervating a given cell are destroyed, what compensatory process takes place in the REMAINING presynaptic cells?
Answer
  • Activation of previously silent synapses
  • Collateral sprouting
  • Excess production of myelin
  • Removal of toxins

Question 8

Question
If you wanted to see a faint star at night, you should:
Answer
  • Look at a mirror’s reflection of it
  • Stare straight at it
  • Look slightly to one side
  • Wait until daytime

Question 9

Question
In comparison to the cones, rods ___.
Answer
  • Are more common toward the centre of the retina
  • Reach their peak firing levels slowly
  • Are more sensitive to detail
  • Are more sensitive to dim light

Question 10

Question
In humans, the optic nerves from the two eyes follow what pathway?
Answer
  • Half of the axons from each eye cross to the other side at the optic chiasm
  • They go directly to the contralateral hemisphere, without contacting each other
  • They go directly to the ipsilateral hemisphere, without contacting each other
  • They combine to send identical information to each hemisphere

Question 11

Question
In what order does visual information pass through the retina?
Answer
  • Receptor cells, bipolar cells, ganglion cells
  • Bipolar cells, receptor cells, ganglion cells
  • Ganglion cells, bipolar cells, receptor cells
  • Receptor cells, ganglion cells, bipolar cells

Question 12

Question
Ischemia is to ____ as haemorrhage is to ____.
Answer
  • Proximal; distal
  • Older individuals; younger individuals
  • Rupture; obstruction
  • Obstruction; rupture

Question 13

Question
Parvocellular neurons most likely receive input from:
Answer
  • Bipolar cells that receive input from cones
  • Rods
  • The periphery of the retina
  • Magnocellular neurons

Question 14

Question
Secretions from which glad will also affect the secretion of hormones from the thyroid gland, adrenal gland, and ovaries or testes?
Answer
  • Pituitary gland
  • Pancreas
  • Thymus gland
  • Pineal gland

Question 15

Question
Which part of the cerebral cortex is most important for the sense of touch?
Answer
  • Frontal lobe
  • Parietal lobe
  • Temporal lobe
  • Occipital lobe

Question 16

Question
Soon after cells have differentiated as neurons or glia, they __.
Answer
  • Proliferate
  • Migrate
  • Myelinate
  • Release excess glutamate

Question 17

Question
Rods are to __ as cones are to __.
Answer
  • the periphery; the fovea
  • vertabrates; invertabrates
  • red; blue
  • size constancy; shape constancy

Question 18

Question
Sympathetic ganglia:
Answer
  • Act more independently than do parasympathetic ganglia
  • Are closely linked and often act as a single system
  • Are located inside the spinal cord
  • Have short postganglionic fibres extending to internal organs

Question 19

Question
The cell bodies of sensory neurons that are in clusters of neurons outside the spinal cord are called ___.
Answer
  • Dorsal root ganglia
  • Ventral root ganglia
  • Sensory nuclei
  • Sensory clusters

Question 20

Question
As axons from the spinal cord enter the skull, which structure do they enter?
Answer
  • midbrain
  • hindbrain
  • cerebellum
  • forebrain

Question 21

Question
The function of neurotrophins is to ___.
Answer
  • Be used as fuel
  • Signal that an axon has been “rejected”
  • Inhibit proliferation
  • Promote survival of axons

Question 22

Question
The visual path in the parietal cortex is referred to as the:
Answer
  • Ventral stream
  • Parvocellular pathway
  • Dorsal stream
  • Magnocellular pathway

Question 23

Question
Together, the somatic nervous system and the autonomic nervous system make up the ___ nervous system.
Answer
  • Central
  • Peripheral
  • Sympathetic
  • Dorsal

Question 24

Question
Superior colliculus is to __ as inferior colliculus is to __.
Answer
  • hearing; vision
  • vision; hearing
  • taste; smell
  • vision; touch

Question 25

Question
What do the corpus callosum and anterior commissure have in common?
Answer
  • They both produce CSF
  • They each have 6 laminae
  • They are made up of gray matter
  • They both connect the two hemispheres

Question 26

Question
An electroencephalograph measures:
Answer
  • the average activity of the cells in a given region of the brain
  • the electrical resistance of hair
  • the rate of glucose uptake in active regions of the brain
  • action potentials in an individual neuron

Question 27

Question
Which of the following brain imaging techniques does NOT provide a functional measure of brain activity?
Answer
  • MRI
  • MEG
  • fMRI
  • EEG

Question 28

Question
The precentral gyrus is essential for the __.
Answer
  • regulation of emotions
  • control of fine movements
  • attention to hunger and thirst
  • coordination between vision and hearing

Question 29

Question
Which statement best characterises the fovea?
Answer
  • It has more rods than cones
  • It has the greatest perception of detail
  • It falls in the shadow cast by the pupil
  • It surrounds the point of exit in the optic nerve

Question 30

Question
___ cells proliferate after a stroke.
Answer
  • Ischemia
  • Penumbra
  • Cancer
  • Microglia
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