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Sec 4 Equilibrium

Somatic and Special Senses

QuestionAnswer
Which structure in the vestibule contains the maculae that detect static equilibrium? A. Semicircular canals B. Cochlea C. Utricle and saccule D. Ampulla Utricle and saccule
The macula's hair cells have stereocilia projecting into a gel layer containing tiny calcium carbonate crystals. These crystals are called: A. Cilia B. Otoliths C. Cupula D. Endolymph Otoliths
The sensory information from hair cells in the utricle and saccule is transmitted to the brain via which cranial nerve? A. Facial nerve (VII) B. Glossopharyngeal nerve (IX) C. Vestibulocochlear nerve (VIII) D. Vagus nerve (X) Vestibulocochlear nerve (VIII)
Dynamic equilibrium (detection of sudden head rotation) is primarily mediated by: A. Utricle macula only B. Saccule macula only C. Semicircular canals and their crista ampullaris D. Cochlear duct . Semicircular canals and their crista ampullaris
The swelling at the base of each semicircular canal that contains the crista ampullaris is called the: A. Saccule B. Utricle C. Ampulla D. Vestibule ampulla
Within the semicircular canals, hair cell stereocilia project into a gel-like structure called: A. Otolithic membrane B. Cupula C. Tectorial membrane D. Basilar membrane Cupula
What is the function of the vestibular system in the sense of equilibrium? A It controls the movement of the body B It processes sound information C It helps in maintaining body balance D It plays a role in vision It helps in maintaining body balance
Which part of the inner ear is responsible for sense of balance? A Cochlea B Eustachian tube C Vestibule D Tympanic membrane Vestibule
How does the body maintain its equilibrium? A By controlling the heart rate B Through sensory information from eyes, ears, and muscles C By controlling the respiration rate D Through secretion of hormones Through sensory information from eyes, ears, and muscles
Which structure of the ear is filled with fluid and responds to changes in head position? A Semicircular canals B Cochlea C Eustachian tube D Ossicles Semicircular canals
Which cells in the vestibular system respond to changes in gravitational force? A Photoreceptor cells B Hair cells C Ganglion cells D Bipolar cells Hair cells
What happens when a person experiences vertigo? A Loss of hearing B Loss of vision C A sensation of unsteadiness or experiencing a spinning sensation D An inability to speak A sensation of unsteadiness or experiencing a spinning sensation
What is the role of the vestibular nerve in the body's balance and sense of spatial orientation? It carries information from the ears to the brain
Which of the following is a sensory system that contributes to balance and spatial orientation? A Olfactory system B Auditory system C Vestibular system D Digestive system Vestibular system
What role does the cerebellum play in maintaining body equilibrium? It processes information about body movement and position
Which body system works closely with the vestibular system to control balance and coordination? A Digestive system B Respiratory system C Muscular system D Nervous system Nervous system
What will happen if there is a damage to the semicircular canals? A Loss of vision B Loss of hearing C Loss of smell D Loss of balance and coordination Loss of balance and coordination
Which organ of the body helps in detecting the motion and orientation in three-dimensional space? A Inner ear B Outer ear C Eye D Skin Inner ear
Which of the following conditions may affect a person's balance and sense of spatial orientation? A Middle ear infection B Damage to the optic nerve C Diabetes D Hypertension Middle ear infection
Created by: tmcnu2
 

 



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