The impulses of sound waves are analysed and recognised in which area of brain?
(1) Auditory medulla
(2) Auditory cortex
(3) Auditory fissure
(4) Auditory ridges
The ripple in basilar membrane is actually induced by
(1) Waves in the lymph
(2) Waves in the ear drum
(3) Waves in the meatus
(4) Waves in the oval window
The impulses of sound wave are transmitted by …. In the auditory cortex of the brain.
(1) Afferent Fibres via auditory nerves
(2) Efferent Fibres via auditory nerves
(3) Association fibres via auditory nerve
(4) Both A and C
In the resting stage, the axonal membrane:
1. is more permeable to sodium than to potassium ions
2. is more permeable to potassium than to sodium ions
3. equally permeable to both sodium and potassium ions
4. impermeable to both sodium and potassium ions
Sympathetic stimulation would lead to all of the following except:
1. Dilation of pupil
2. Bronchoconstriction
3. Increased heart rate
4. Decreased gland secretions
Which region of the diencephalon controls the ANS and endocrine system and body temperature?
1. epithalamus
2. hypothalamus
3. thalamus
4. infundibulum
The autonomic division of the peripheral nervous system does not innervate:
1. visceral organs
2. exocrine glands
3. skeletal muscle
4. endocrine glands
Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cell of the following. Which of the cells are least likely to be replaced by new cells -
1. Osteocytes
2. Liver cells
3. Neurons
4. Malpighian layer of the skin
One of the examples of the action of the autonomous nervous system is -
1. Knee-jerk reponse
2. Pupillary reflex
3. Peristalsis of the intestines
4. Swallowing of food
Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter -
1. Norepinephrine
2. Acetylcholine
3. GABA
4. Dopamine