Quiz
Physiology - Sensory
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Perguntas do quiz (10)
1 In sterognosis, all of the following are true EXCEPT
- AHighly educated sensation
- BMixed sensation
- Cneeds previous experience and intact sensory association cortex
- D intact in case of lesion in sensory cortex
2 the most specific synapse is
- AAxosomatic
- BAxoaxonic
- CAxodendritic
3Regarding fine touch
- ASlowly adapting
- Bcarried by Ab aferent
- CTransmit through anterolateral system
- DPoorly localized sensation perceived at the thalamus
4Enkephalin blocks pain transmission by:-
- Ablocking the response of pain receptors to painful stimuli
- BSlowing down transmission of pain impulses through synapses in the pain Pathway
- CInhibiting the response of the cerebral cortical somatic sensory area to pain Signals
- D Blocking Ca ++ channels in the central terminals of pain sensory fibers
5IPSP differs from EPSP in:-
- Abeing of shorter duration
- Bbeing unable to summate spatially
- C Moving the membrane potential away from threshold
- DDepending upon opening of voltage Na + channels
- Abeing of shorter duration
6Intermittent Claudications evoke:-
- AFast pain
- BVisceral pain
- CDeep pain
- DCutaneous hyperalgesia
- EColicky pain
7Astereognosis:-
- A indicates inability to localize the site of touch on the body surface
- BResults from lesions of the secondary somatic sensory area
- CSomatic Association area malfunction
- D Results from loss of crude touch sensation
- A indicates inability to localize the site of touch on the body surface
8Presynaptic inhibition depends upon:-
- AAugmented realease of neurotransmitter from presynaptic terminal
- BContinued depolarization of presynaptic terminals
- CGABA receptors in presynaptic terminals
- DOpening of voltage-gated Ca ++ channels in presynaptic terminals
9Synaptic fatigue is due to: -
- Adecreased synthesis of neurotransmitters
- BInability to release neurotransmitters by exocytosis
- CFailure of action potentials to open voltage-gated Ca ++ channels in Presynaptic terminal
- D Imbalance in between rates of synthesis and release of neurotransmitters
- Adecreased synthesis of neurotransmitters
10Reaction to pain includes all the following, except:-
- Aincreased heart rate
- BDepression
- C
Withdrawal reflexes - D Stoppage of impulse discharge from nociceptors in chronic painful conditions
- Aincreased heart rate
Informações
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- Quiz sobre Physiology - Sensory, criado por أطباء 2020 em 23-11-2014.
- Autor
- أطباء 2020
- Idioma
- English
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- Criado em 23 nov 2014 · atualizado em 20 abr 2016
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