Exploring the Peripheral Nervous System and Sensory Organs

What are the two main divisions of the nervous system?

• Central and Peripheral

• Peripheral and Autonomic

• Central and Somatic

• Somatic and Autonomic

What does the sensory division of the peripheral nervous system do?

• Controls voluntary muscle movements

• Processes thoughts and emotions

• Allows us to sense and perceive our surroundings

• Regulates internal organ functions

What is the main function of the somatosensory system?

• To regulate balance and posture

• To process visual information

• To sense stimuli on the body's exterior

• To detect changes in muscle tension

Which receptors respond to touch or pressure?

• Chemoreceptors

• Mechanoreceptors

• Photoreceptors

• Thermoreceptors

What is the role of proprioceptors?

• Monitoring position of skeletal muscles

• Regulating temperature

• Sensing internal chemical changes

• Detecting external stimuli

Which part of the eye contains photoreceptors?

• Retina

• Cornea

• Lens

• Iris

Which layer of the eye adjusts its shape to focus light on the retina?

• Iris

• Cornea

• Sclera

• Lens

What are the five taste sensations?

• Sweet, Sour, Spicy, Bitter, Savory

• Sweet, Spicy, Salty, Bitter, Umami

• Sweet, Sour, Salty, Bitter, Umami

• Sweet, Sour, Salty, Bitter, Savory

What structure in the ear is responsible for hearing?

• Spiral organ

• Cochlear duct

• Auditory ossicles

• Tympanic membrane

How many pairs of cranial nerves are there?

• 31

• 12

• 36

• 24