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Neural Control and Coordination

Multiple Choice Questions

251.

Cochlea of mammalian internal ear is concerned with

hearing
balance of body posture
both (a) and (b)
perception changes of atmospheric pressure

252.

The part of an eye which acts like a diaphragm of a photographic camera is

pupil
iris
lens
cornea

253.

The dendrite carries impulses

towards the cyton
away from cyton
across the body
from one neuron to another

254.

Cerebrospinal fluid is present

beneath the pia mater
between piamater and arachnoid
between arachnoid and duramater
between duramater and cranium

255.

Cranium is made up of

8 bones
12 bones
10 bones
16 bones

256.

Arbor-vitae is composed of

grey matter
neurogleal cells
white matter
all of the the above

257.
Human brain has greater development of

cerebrum

cerebellum

optic lobes

medulla oblongata

cerebrum

Cerebrum is the most prominent and developed region of the brain in humans. It is the site of functions as vision, hearing, touch, smell, voluntary muscle activity, speech and memory.

The cerebellum receives information from the sensory systems, the spinal cord, and other parts of the brain and then regulates motor movements. It coordinates voluntary movements such as posture, balance, coordination and speech.

Optic lobe function is to process and integrate incoming optical data from the eyes, detecting visual information like shapes and movements.

Medulla oblongata process information to and from the spinal cord and the cerebellum. It helps regulate breathing, heart and blood vessel function, digestion, sneezing and swallowing.