Test
W10: Movement test
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Preguntas del test (48)
1Taking a drug that blocks acetylcholine receptors would be helpful for a person with myasthenia gravis
- AVerdadero
- BFalso
2Activation of the Golgi tendon organs result in contraction of the muscle
- AVerdadero
- BFalso
3A fixed sequence of movements is called a motor program
- AVerdadero
- BFalso
4The supplementary motor cortex is mainly active when preparing for an organised sequence of movements
- AVerdadero
- BFalso
5Mirror neurons are active both during preparation for a movement and while watching someone else perform the same of a similar movement
- AVerdadero
- BFalso
6Dopamine neurons are more vulnerable than most other neurons to damage caused by metabolic problems
- AVerdadero
- BFalso
7Brain transplants for Parkinson's patients have generally been very successful
- AVerdadero
- BFalso
8What type of muscle is responsible for the movement of your body through the environment?
- AA syncarpous
- BStriated
- CCardiac
- DSmoot
9You have precise control over the movement of your fingers, probably because:
- AYou have learned how to write
- BThey have few muscle fibres per motor neuron
- CThe axons in the fingers have faster action potentials
- DThey have many muscle fibres per motor neuron
10What is the name given to the synapse where a motor neuron's axon meets a muscle fibre?
- ANeurofibre synapse
- BPolar junction
- CMuscle spindle
- DNeuromuscular junction
11Which would be especially important when running up a flight of stairs at full speed?
- AIntermediate muscles
- BSlow-twitch muscles
- CSmooth muscles
- DFast-twitch muscles
12A proprioceptor is sensitive to the:
- ADegree of fatigue in a muscle
- BPosition and movement of a part of the body
- CPercentage of fibres that are contracting within a muscle bundle
- DDegree of relaxation or contraction of smooth muscle tissue
13A sudden stretch of a muscle excites a feedback system that opposes the stretch. This message starts in the:
- AMuscle spindles
- BCerebellum
- CPacinian corpuscles
- DDorsal root ganglion
14Which type of proprioceptor responds to increases in muscle tension?
- ASlow-twitch fibre
- BFast-twitch fibre
- CMuscle spindle
- DGolgi tendon organ
15Very brief electrical stimulation of the motor cortex results in:
- AComplex, coordinated movements
- BMuscle twitching
- CLaughing
- DRelaxation
16The premotor cortex:
- AResponds to lights, noises, and other signals for movement
- BKeeps track of the position of the body relative to the world
- CIs active during preparations for a movement and less active during movement itself
- DIs the main area for touch and other body information
17People with damage to the parietal cortex appear to lack _____ related to voluntary movements
- AThe ability to make conscious decisions
- BFeelings of intention
- CMuscle strength
- DA sense of timing
18Axons of the lateral corticospinal tract extend to what area?
- ACerebral cortex
- BCerebellum
- CThalamus
- DSpinal cord
19The symptoms of cerebellar damage resemble those of:
- AParkinson's disease
- BHeart attack
- CMental illness
- DIntoxication
20The cerebellum appears to be critical for:
- ACertain aspects of attention
- BMotor behaviours only
- CControlling the force of a movement
- DJudging which tone is louder
21The structure composed of the caudate nucleus, putamen, and globus pallidus is the:
- ALimbic system
- BBasal ganglia
- CSympathetic nervous system
- DCerebellum
22What is one of the main symptoms of Parkinson's disease?
- ALoss of saccadic eye movements
- BRapid fatigue of the muscles
- CInability to coordinate speech with movements
- DDifficulty initiating movements
23The immediate cause of Parkinson's disease is the:
- AGradual, progressive death of neurons in the substantial nigra
- BNet increase in the excitatory output from the globus pallidus
- CAccumulation of amyloid-beta neurons
- DImmediate, mass death of neurons releasing acetylcholine
24Although several genes have been found to be more common among people with Parkinson's disease, these genes are:
- AMore common in women than men
- BMore common in men than women
- CLarge contributors to the incidence of late-onset Parkinson's disease
- DSmall contributors to the incidence of late-onset Parkinson's disease
25Although Parkinson's disease is usually limited to old people, it has occurred in a small number of young people that:
- AUsed cocaine
- BUsed a designer drug
- CWere on low-protein diets
- DLived near a nuclear power plant
26L-dopa is most effective:
- AIn the late stages of Parkinson's disease
- BIn the early to intermediate stages of Parkinson's disease
- CFor either the very young or the very old
- DFor females
27Which of the parts of the brain deteriorate most strongly in Huntington's disease?
- AThe cerebellum and medulla
- BPathways of neurons containing the neurotransmitter dopamine
- CThe hippocampus and amygdala
- DThe caudate nucleus, putamen and globus pallidus
28Axons release _____ at junctions with skeletal muscles
- AMany different neurotransmitters
- BDopamine
- CNorepinephrine
- DAcetylcholine
29Myasthenia gravis is caused by:
- ADamage to dopamine-containing cells in the substantial nigra
- BDamage to acetylcholine receptors at neuromuscular junctions
- CLoss of cell bodies in the basal ganglia and cerebral cortex
- DDamage to the myelin sheath that covers axons in the spinal cord
30A muscle spindle responds to the:
- AOxygen level in the muscle
- BAcetylcholine concentration at the nerve-muscle junction
- CFatigue of the muscle
- DStretch of the muscle
31A Golgi tendon organ responds to:
- AIncreases in muscle tension
- BDecreases in muscle tension
- CIncreases in muscle length
- DDecreases in muscle length
32Activity of a muscle spindle is to _____, as activity of the Golgi tendon organ is to _____.
- AContraction; inhibition of contraction
- BInhibition of contraction; contraction
- CInhibition of contraction; inhibition of contraction
- DContraction; contraction
33Central pattern generators
- AContribute to the rhythmic patterns of movement
- BGenerate movement which is unresponsive to environmental stimulation
- CConstrict the pupils in response to bright light
- DControl all reflexes in adult humans
34The part of the cortex which is most active during preparations for a movement and less active during the movement itself is the:
- APremotor cortex
- BSomatosensory cortex
- CInferior temporal cortex
- DTabes dorsalis
35A quick typist would rely heavily on the _____ cortex to organise smooth sequences of finger movements
- ASupplementary
- BPremotor
- CPrefrontal
- DOccipital
36Mirror neurons are active when
- AViewing reversed images
- BWatching others perform movements
- CIdentifying ourselves in the mirror
- DPlaying the piano
37The finger-to-nose test is a common way of testing for the possible damage to what structure?
- ASpinal cord
- BBasal ganglia
- CMedulla
- DCerebellum
38The symptoms of cerebellar damage resemble those of:
- AA heart attack
- BParkinson's disease
- CIntoxication
- DMental illness
39What is one of the main symptoms of Parkinson's disease?
- ARapid fatigue of the muscles
- BLoss of saccadic eye movements
- CDifficulty initiating movements
- DInability to coordinate speech with movements
40The immediate cause of Parkinson's disease is the:
- ANet decrease in the excitatory output from the globus pallidus
- BGradual, progressive death of neurons in the substantia nigra
- CImmediate, mass death of neurons releasing acetylcholine
- DAccumulation of the amyloid-beta in neurons
41What is the most common drug in the treatment for Parkinson's disease?
- AHaloperidol
- BPhsyostigmine
- CDilantine
- DL-dopa
42Muscle spindles are a type of proprioceptor parallel to ______ that responds to a _______
- Aa. Nerves, stretch
- Bb. Muscle, stretch
- Cc. Muscle, relaxation of the muscle
- Dd. Nerves, relaxation of the muscle
43Muscle spindles respond to _________ , are located _______________ and __________________
- Aa. A stretch; in the tendons at opposite ends of the muscle, cause contraction opposing the stretch
- Bb. Increase in muscle tension; parallel to the muscle; prevents contraction
- Cc. A stretch; parallel to the muscle; cause contraction opposing the stretch
- Dd. Increase in muscle tension; tendons at opposite ends of a muscle; prevents contraction
44Golgi tendon organs respond to _________ , are located _______________ and __________________
- Aa. A stretch; in the tendons at opposite ends of the muscle, cause contraction opposing the stretch
- Bb. Increase in muscle tension; parallel to the muscle; prevents contraction
- Cc. A stretch; parallel to the muscle; cause contraction opposing the stretch
- Dd. Increase in muscle tension; tendons at opposite ends of a muscle; prevents contraction
45People who have suffered damage to the cerebellum:
- Aa. Rapid, ballistic movements, sequences that require aiming and timing
- Bb. Finger-to-nose task
- Cc. Differences in delay in pairs of tones
- Dd. All of the above
46What is one of the main symptoms of Parkinson’s disease?
- Aa. Rigidity, muscle tremors, slow movements and difficulty initiating physical and mental activity
- Bb. Some depression and cognitive deficits
- Cc. Slow on cognitive tasks
- Dd. All of the above
47What is one of the main symptoms of Huntington’s disease?
- Aa. Jerky movements, facial twitch, tremors, writhing
- Bb. Depression, memory impairment, anxiety and hallucination
- Cc. Inability to learn or improve movements
- Dd. All of the above
48Huntington’s disease involves extensive damage to the:
- Aa. Caudate nucleus, putamen and globus pallidus
- Bb. Hippocampus and frontal lobes
- Cc. Motor cortex and frontal lobes
- Dd. Motor cortex, hippocampus and frontal lobes
Información
- Descripción
- (Week 10: Movement) HPS775 Test sobre W10: Movement test, creado por wadey el 11/10/2014.
- Autor
- wadey
- Idioma
- English
- Visitas
- 9
- Etiquetas
- Valoración
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