Eye movement due to contraction of superior rectus muscle is directly antagonised by:
A. musculus obliquus superior bulbi
Fast adaptation of tactile receptors is caused by:
C. decrease of firing rate despite the ongoing depression of the receptor
Unilateral injection of cold water into the outer ear causes vertigo and nausea. The basic cause of this phenomenon is:
C. cooling-induced flow ot the endolymph
Which one of the following physiological mechanisms happens when the auditory system detects the increase of tone pitch?
A. the largest amplitude of vibrations of the basilar membrane will shift towards the base of the cochlea.
The stimulation of the Golgi tendon organ leads to:
E. reflex inhibition of motonenurones
Which one of the following receptor types display, under normal physiological conditions, the greatest degree of adaptation?
D. tactile receptors
B. is a subjective feeling, unpleasant sensory and emotional experience, related to either actual or potential damage.
The following events, that appear in response to the light, are listed here in random order.
1. Activation of transducin
2. Decreased release of synaptic mediator
3. Structural change of rhodopsin
4. Closing of Na+ channels
5. Lowering of intracellular contens of cGMP