#1
Which structure in the ear is responsible for detecting sound vibrations?
Cochlea
ExplanationCochlea detects sound vibrations through hair cells.
#2
Which part of the ear is responsible for maintaining balance and orientation?
Vestibule
ExplanationVestibule maintains balance and orientation.
#3
Which part of the brain is primarily responsible for processing visual information?
Occipital lobe
ExplanationOccipital lobe processes visual information.
#4
What is the role of the iris in the eye?
To regulate the amount of light entering the eye
ExplanationIris regulates light entering the eye.
#5
Which of the following is not a primary taste sensation?
Spicy
ExplanationSpicy is not a primary taste sensation.
#6
Which structure of the eye contains the photoreceptor cells?
Retina
ExplanationRetina contains photoreceptor cells.
#7
What is the role of the cochlea in the hearing process?
It contains the hair cells responsible for auditory transduction
ExplanationCochlea contains hair cells for auditory transduction.
#8
Which of the following statements about the olfactory system is true?
Olfactory receptors are located in the nasal cavity
ExplanationOlfactory receptors are in the nasal cavity.
#9
What is the function of the Eustachian tube?
To regulate pressure in the middle ear
ExplanationEustachian tube regulates middle ear pressure.
#10
What is the purpose of the vestibulo-ocular reflex (VOR)?
To stabilize gaze during head movement
ExplanationVOR stabilizes gaze during head movement.
#11
How does the brain differentiate between different pitches of sound?
By the frequency of the sound wave
ExplanationBrain distinguishes pitches by sound wave frequency.
#12
What is the function of the utricle and saccule in the vestibular system?
To detect linear acceleration and head position with respect to gravity
ExplanationUtricle and saccule detect linear acceleration and head position.