This is a learning exercise.
You must scroll to the top and examine your incorrect choices, with the view to improving your understanding of this topic. Refer to the Study Guide if necessary.
The part of the brain that interprets impulses from the retina of the eye is the ...
Which one of the following parts of the eye does NOT play a role in the refraction of light?
Which one of the following is found in the dorsal root ganglion?
Cell bodies of the sensory neuron.
Dendrites of the motor neuron.
Cell bodies of the motor neuron.
Branches of axons of the sensory neuron.
controls the size of the pupil.
is transparent and elastic.
is an extension of the sclera.
has circular and longitudinal muscles.
Which of the following parts of the body are involved in enabling a blind-folded tight-rope walker to balance on the tight-rope?
Brain ; muscles ; semi- circular canals
Brain ; muscles ; organ of Corti
Brain ; muscles ; cochlea
How many neurons are present in the reflex arc of humans?
How many cell bodies of the reflex arc are found in the grey matter?
Which ONE of the following may function as an effector?
Which part of the eye can be compared to the diaphragm of the camera?
Cristae are found in the ...
Which of the following is the correct path of sound transmission through the ear?
Pinna; tympanum; ossicles; oval window; cochlea.
Tympanum, ossicles; pinnae; round window; cochlea.
Pinna; tympanum; ossicles; round window; cochlea.
Ossicles; pinna; tympanum; oval window; cochlea.
The part of the brain that regulates breathing is the ...
Grommets may be used in the treatment of ...
Damage to the dendrites of a motor neuron in a reflex arc would probably prevent:
An impulse being transmitted to an effector organ.
A receptor from receiving a stimulus.
Synaptic contact with a sensory neuron.
An impulse being transmitted to the dorsal root.
The part of the brain that regulates body temperature is the ...
The correct path taken for hearing to take place is:
Auditory canal - tympanic membrane - ossicles - oval window - cochlea
Auditory canal - ossicles - tympanic membrane - oval window - cochlea
Ossicles - auditory canal - tympanic membrane - oval window - cochlea
Auditory canal - tympanic membrane - ossicles - cochlea - oval window
Sudden head movements cause movement of:
endolymph in the opposite direction of head movement .
perilymph in the cochlea.
endolymph at the round window
perilymph in the middle ear.
the pupil becomes smaller.
the sclera is pulled forward.
circular muscles of the iris relax.
radial muscles of the iris contract.
Damage to the dendrites of a sensory neuron in a reflex arc would probably prevent ...
an impulse from being transmitted to the spinal cord.
a receptor from receiving a stimulus.
synaptic contact with a sensory neuron.
an impulse from being transmitted to an effector organ.
Which ONE of the following occurs when you look up from reading a book to look at a distant mountain on a clear sunny day?
Lens becomes more convex.
Circular muscles of the iris contract.
Questions source: DBE (Authorisation 11798)
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