Perception and recognition of an object is determined by a. retina b. optic nerve c. occipital lobe of the cerebrum d. all are correct Which of the following bends light rays as it enters the eye? a. choroids b. rods and cones c. iris and vitreous humor d. lens and cornea The sclera is continuous with the a. cornea b. iris c. retina d. choroid coat Which of the following is not true about cones? They a. detect color of an object b. detect detail of an object c. require high intensity light d. are not present in the central fovea What statement about rods is not true? They a. contain the pigment rhodopsin b. are functional only in dim light c. detect even the slightest motion d. detect fine detail During the time required for adaptation to dim light when we find it difficult to see, rhodopsin molecules are being broken down. a. true b. false
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- The optic nerve carries these images to the brain. - The occipital lobe of the cerebrum is the part of the brain where visual processing occurs. Therefore, the correct answer is: c. occipital lobe of the cerebrum Show more…
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Figure 36.18 Which of the following statements about the human eye is false? a. Rods detect color, while cones detect only shades of gray. b. When light enters the retina, it passes the ganglion cells and bipolar cells before reaching photoreceptors at the rear of the eye. c. The iris adjusts the amount of light coming into the eye. d. The cornea is a protective layer on the front of the eye.
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Which one of the following is NOT correct? a. Receptors for smell are located just below the cribriform plate. b. The sensory neurons for smell are unipolar in shape. c. Processes of the receptor neurons pass through numerous holes in the cribriform plate. d. Air moving through the nose during normal breathing does not pass through the portion of the nasal cavity where the receptors are located. Which of the following results from a combination of retinene and scotopsin? a. Rhodopsin b. Lumirhodopsin c. Metarhodopsin d. None of the above Which one of the following is NOT correct concerning the image that falls on the retina? The image is: a. Reduced in size b. Reversed c. Right side up d. Smaller the farther away the object is from the eye If the medial surface of the occipital lobe were destroyed, one would: a. See bright colors or flashes of light b. See light but not be able to distinguish shapes c. Be totally blind d. None of the above The lateral geniculate body in the thalamus probably interprets: a. Color and depth perception b. Direction of orientation of lines and borders c. The finer meaning of the image d. Contrast in images Which of the following is NOT a true statement about the red photoreceptors? a. They contain the pigment rhodopsin b. They are functional only in dim light c. They detect even the slightest motion d. They detect fine detail e. The stimulus formed from the breakdown of rhodopsin lasts about 1/10th of a second
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