Nervous System Part 2 Test

What is the primary function of sensory receptors?

• To produce hormones
• To react to stimuli
• To transmit electrical impulses
• To provide structural support

Which type of sensory receptor is responsible for detecting temperature variations?

• Mechanoreceptors
• Thermoreceptors
• Chemoreceptors
• Photoreceptors

What type of sensory receptor is primarily involved in the sensation of pain?

• Nociceptors
• Mechanoreceptors
• Thermoreceptors
• Photoreceptors

How do general senses differ from special senses?

• General senses are more complex
• General senses have receptors spread throughout the body
• Special senses are less important
• Special senses are only found in the skin

Which structure in the eye helps to regulate the amount of light entering?

• Cornea
• Lens
• Iris
• Retina

What is the role of the lacrimal apparatus?

• To focus light
• To lubricate the eye
• To detect light
• To transmit visual signals

What is the function of the ciliary muscles in the eye?

• To protect the eye
• To adjust the shape of the lens
• To produce tears
• To detect color

What happens to the pupil in bright light?

• It dilates
• It constricts
• It remains the same
• It closes completely

Which part of the retina is responsible for sharp vision?

• Fovea centralis
• Blind spot
• Optic nerve
• Choroid

What is the primary function of rods in the retina?

• Color detection
• Vision in low light
• Sharp vision
• Detecting motion