NSS214 List of eExam Questions in the Bank

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Q1 Aqueous humour is produced by a capillary network within the Cilliary body at a rate of about _/day.

Q2 The _is a spherical fluid filled structure about 2.5cm diameter enclosed by three layers of tissue.

Q3 _is characterized by its pitch (tone), intensity (loudness) and timbre (quality).

Q4 The small space at the end of the cochlear duct (apex of the cochlea) is called the Located where the scala vestibule and tympani meet.

Q5 The _is a thin layer of fibrous tissue continuous externally with skin and internally with mucous membrane that lines the middle ear

Q6 _refers to diminished olfactory sensitivity while dysosmia refers to distorted sense of smell.

Q7 To smell a substance it must be

Q8 There are about __million bipolar olfactory receptors in humans, each surrounded by sustentacular cells.

Q9 Olfactory cells are located high in the __of the nasal cavity.

Q10 Sour tastes are usually due to _in the food as in acids.

Q11 The photoreceptors in the eye are sensitive only to wavelengths between nanometers (nm: billionth of a meter

Q12 takes place as light passes through both surfaces of the cornea.

Q13 The orbitory muscle of the iris contracts the pupils. True or False

Q14 It is a thin muscular layer that is seen as a coloured part of the eyeball -

Q15 The raised intraocular pressure of the eye is known as

Q16 The posterior cavity of the lens and retina contains a semi-fluid, jellylike substance called the vitreous humour. True or False

Q17 The innermost coat under the choroid is the _which has an outer pigment layer

Q18 The _are extremely sensitive to light and are the receptors for night vision.

Q19 The point on the retina at which the optic nerve leaves and through which blood vessels enter is the

Q20 Axons of the cells join together to form the optic nerve that leaves the retina

Q21 The anterior cavity between the cornea and lens contains a clear watery fluid called the humour.

Q22 The neurons of the retina of the eye are four types one of which is the cells

Q23 is a condition in which the curvature of the cornea and/or lens is significantly not uniform symmetrical

Q24 is when light passes from a medium of one density into medium of a different density

Q25 Ossicles of the middle ear are called

Q26 The external auditory canal (meatus) is a slightly curved canal extending 2.5cm from the floor of the concha to the tympanic membrane. True OR False

Q27 There are about 22,500 hair cells and about 30,000 neurons and fibres in the cochlear nerve. True OR False

Q28 The three phase conduction system is estimated to work at transmission efficiency.

Q29 The invisible light is only a small portion of the electro-magnetic spectrum of the eye. True or False

Q30 is a condition associated with loss of accommodation that occurs as a result of progressive loss of the elastic quality of the lens.

Q31 __is a condition in which the curvature of the cornea and/or lens is significantly not uniform or symmetrical.

Q32 _Is referred to as long sightedness

Q33 _Is referred to as short sightedness.

Q34 Visual acuity is the degree to which the details and contours of objects is measured by charts

Q35 Images from an object less than 6cm away would normally be focused behind the retina. True or False _?

Q36 __is the ability to adjust the strength of the lens so that both near and far sources can be focused on the retina

Q37 The refractive index of the aqueous humour __-

Q38 There are about cones in the fovea providing input to the ganglions of the eye

Q39 __are less sensitive to light but provide colour vision and greater visual acuity

Q40 Rods contain only one photo pigment is called

Q41 Each eye contains about __million rods which are located in most areas of the retina except the fovea and the blindspot

Q42 Sound is characterized by its

Q43 The small space at the end of the cochlear duct (apex of the cochlea) of the ear is called the

Q44 _is attached to a ring of bone that vibrates in response to sound waves

Q45 Impulses of sensory receptors from coetaneous for touch and pressure are also required for oscillation

Q46 Vestibular is one of the symptoms of an inner ear disease called Meniere’s disease.

Q47 The loss of equilibrium in a person is referred to as

Q48 The vestibular functions supplemented by proprioceptive inputs from the muscles and joints is the

Q49 The vestibular apparatus provides information essential for movement

Q50 The receptor region of the utricle and saccule of the ear is called the

Q51 The cells for hearing are innervated by the cochlear branch of the cranial nerve

Q52 Organ of _is a spiral and sensory organ of the cochlea .

Q53 The outer supporting layer consists of the tough outer layer of connective tissue that covers the eyeball is called the

Q54 The human eyeball is a spherical fluid filled structure about diameter enclosed by three layers of tissue

Q55 Otoliths have greater density than

Q56 The mechanism of static equilibrium response depends on the difference in density between the Otoliths and the

Q57 The main components of the vestibular apparatus of the ear are the of the membranous labyrinth.

Q58 Conductive deafness can be caused by wax or foreign body in the __ear

Q59 sound discrimination depends on the shape and properties of the basilar membrane

Q60 Impulses for sense of taste are however carried in branches of three different cranial nerves one of which is the

Q61 The central nervous system is composed of the brain and____?





Q62 Patients with Parkinsons disease are given____?





Q63 Drugs that alter neurotransmitter functions are called____?





Q64 An amine neurotransmitter that exists commonly and in high concentrations in terminal buttons of cholinergic neurons is called____





Q65 Which respiration is a common daily activity in skeletal muscles and does not harm the tissue____?





Q66 The somatic nervous system is that part of the motor division that supply____muscles?





Q67 Blushing, fainting, racing heart, cold sweats are examples of____ reactions?





Q68 A drug that blocks the action of a neurotransmitter is said to be an____?





Q69 oculomotor,facial,glossopharyngeal,and vagus contain ____ parasympathetic fibres nerves?





Q70 Smooth muscle and cardiac muscle have ____muscle tone?





Q71 The adult brain weighs about____ kg





Q72 The adult brain receives____of total blood flow to the body per minute





Q73 The early embryo contains an embryonic tissue layer known as____





Q74 The first part of the central nervous system is____?





Q75 The nervous system acts by means of its signals to control the rapid responses of the body____?





Q76 The crossing over of motor nerve fibres is called____?





Q77 The Vestibulocerebellum is important for the maintenance of balance and control of eye ____





Q78 Hindbrain is composed of the metencephalon and the____ ?





Q79 the process of retrieving specific information from memory stores is ____





Q80 Structures capable of perceiving and changing stimuli are called____





Q81 Blushing, fainting, racing heart, cold sweats are examples of____reactions?





Q82 Human brain is made up of mostly____ of water





Q83 oculomotor,facial,glossopharyngeal,and vagus contain ____ parasympathetic fibres nerves?





Q84 Smooth muscle and cardiac muscle have ____muscle tone?





Q85 The autonomic nervous system is the ____ branch of the peripheral nervous system____?





Q86 The forebrain, midbrain and hindbrain are formed at 4th week of ____?





Q87 The early embryo contains an embryonic tissue layer known as____





Q88 The first part of the central nervous system is____?





Q89 The nervous system acts by means of its signals to control the rapid responses of the body____?





Q90 The central nervous system is composed of the brain and____?





Q91 There are ____ pairs of cranial nerves which are the peripheral nerves of the brain?





Q92 The spinal cord and brain are responsible for integration of basic____?





Q93 The neural pathway involved in accomplishing reflex activity is known as a ____?





Q94 Any response that occurs automatically without conscious effort is called____?





Q95 The major tracts in the extra pyramidal system are the ____ tracts?





Q96 The nervous system acts by means of its____signals to control the rapid responses of the body?





Q97 The central nervous system is composed of the brain and____?





Q98 Patients with Parkinsons disease are given____?





Q99 Drugs that alter neurotransmitter functions are called____?





Q100 An amine neurotransmitter that exists commonly and in high concentrations in terminal buttons of cholinergic neurons is called____?





Q101 The zygote continues growing by____ cell division into an adult member of the next generation?





Q102 The autonomic nervous is the ____branch of the peripheral nervous system?





Q103 Spinal cord is the ____ link between the brain and spinal cord which serves as the integrative centre for spinal reflexes?





Q104 The structures of the midbrain and hindbrain make up the____





Q105 Myeloencephalon is made up of only the____





Q106 Spinal cord is the ____ link between the brain and spinal cord which serves as the integrative centre for spinal reflexes?





Q107 The Trochlear nerves is involved in the movement of the Eye____?





Q108 Mixed nerves indicates that the nerves contain both ____ and motor fibres?





Q109 Diencephalon constitutes the____ brain





Q110 The first part of the central nervous system is____?





Q111 There are ____ pairs of cranial nerves which are the peripheral nerves of the brain?





Q112 The spinal cord and brain are responsible for integration of basic ____?





Q113 The neural pathway involved in accomplishing reflex activity is known as a ____?





Q114 Any response that occurs automatically without conscious effort is called____?





Q115 The major tracts in the extra pyramidal system are the ____ tracts?





Q116 In a resting neuron, the concentration of potassium (K+) inside the cells is up to ____times greater than it is outside





Q117 The two selected properties of the neurons are excitability and ____?





Q118 To send appropriate signals to effector cells such as muscles, glands is the second purpose of the ____





Q119 The human nervous system contains about how many neurons____





Q120 Neurons are specialized for rapid integration and transmission of nerve ____