Introduction to Special Senses quiz #2 Flashcards
Introduction to Special Senses quiz #2
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Which is the correct order of the flow of sound waves to the hair cells? A) Pinna, tympanic membrane, cochlea, auditory ossicles B) Pinna, auditory ossicles, tympanic membrane, cochlea C) Pinna, tympanic membrane, auditory ossicles, cochlea D) Cochlea, tympanic membrane, pinna, auditory ossicles
C) Pinna, tympanic membrane, auditory ossicles, cochlea Why is control over leg muscles less precise than control over the muscles of the eye?
Control over leg muscles is less precise because they have fewer motor units compared to the muscles of the eye. When you are looking at an object up close (near vision), what happens to the lens?
The lens becomes more rounded to focus light on the retina during near vision. Which of the following statements best describes the path of optic nerve impulses in the brain? A) They travel directly to the occipital lobe B) They first go to the thalamus C) They bypass the thalamus D) They are processed in the frontal lobe
B) They first go to the thalamus The nurse is conducting the Rinne test. What is included in this test?
The Rinne test involves comparing air conduction to bone conduction using a tuning fork. A nurse is administering ear drops to a 7-year-old girl. What should the nurse do?
The nurse should pull the ear lobe down and back to straighten the ear canal. Which of the following regions in the brain contains the visual cortex? A) Frontal lobe B) Parietal lobe C) Occipital lobe D) Temporal lobe
C) Occipital lobe A patient has dark skin. Which area is best for the nurse to check for cyanosis?
The nurse should check the mucous membranes or nail beds for cyanosis. What is a possible cause of conduction deafness?
Conduction deafness can be caused by blockage or damage to the outer or middle ear structures. Why do you have a blind spot in each eye?
The blind spot exists because there are no photoreceptors where the optic nerve exits the retina. Which structure controls the size of the pupil?
The iris controls the size of the pupil. In which of the following structures is endolymph found? A) Cochlea B) Tympanic membrane C) Auditory canal D) Pinna
A) Cochlea Which of the following cranial nerves is not involved with the eye? A) Optic nerve B) Oculomotor nerve C) Trochlear nerve D) Vestibulocochlear nerve
D) Vestibulocochlear nerve Where are the openings of the auditory tubes located?
The openings of the auditory tubes are located in the nasopharynx. What is the function of a Snellen chart?
A Snellen chart is used to assess visual acuity. Which statement is true about central vision? A) It is processed in the temporal lobe B) It is less detailed than peripheral vision C) It is primarily focused on by the fovea centralis D) It is responsible for detecting motion
C) It is primarily focused on by the fovea centralis Muscles of which structure regulate the amount of light entering the eye?
Muscles of the iris regulate the amount of light entering the eye. What are the five special senses, and what type of stimulus does each sense detect?
The five special senses are vision (detects electromagnetic radiation/light), smell (detects chemical properties in the air), taste (detects chemical properties in food), hearing (detects pressure waves or vibrations in the air), and equilibrium (detects movement and gravity).
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