Nervous System Functions and Nerves

The video provides an in-depth review of the nervous system, covering its structure, function, and divisions. It explains the central, peripheral, and autonomic nervous systems, detailing the roles of the brain, spinal cord, and various nerves. The video also discusses cranial nerves, nerves of the arm and hand, and nerves of the lower leg and foot, highlighting their functions and importance. The session concludes with a preview of upcoming topics, including the circulatory system.

Which division of the nervous system is responsible for involuntary muscle control?

• Somatic nervous system

• Autonomic nervous system

• Peripheral nervous system

• Central nervous system

What is the function of the autonomic nervous system?

• To coordinate body movements

• To control voluntary muscle actions

• To transmit sensory information to the brain

• To regulate involuntary muscles and glands

What is the primary function of the spinal cord?

• To process sensory information

• To regulate heart rate

• To transmit impulses between the brain and the body

• To control facial expressions

Which part of the nervous system is responsible for consciousness and mental activities?

• Central nervous system

• Peripheral nervous system

• Somatic nervous system

• Autonomic nervous system

Which cranial nerve is known as the chief sensory nerve of the face?

• Seventh cranial nerve

• Eleventh cranial nerve

• Third cranial nerve

• Fifth cranial nerve

What is the primary role of motor nerves?

• To carry impulses from sense organs to the brain

• To process sensory information

• To transmit impulses from the brain to muscles

• To regulate involuntary muscle actions

What is the role of the radial nerve in the arm?

• To control the thumb side of the arm and back of the hand

• To supply impulses to the little finger

• To affect the muscles of the chin

• To supply impulses to the upper part of the face

Which nerve affects the muscles of the mouth?

• Mandibular nerve

• Temporal nerve

• Ophthalmic nerve

• Buccal nerve

Which nerve is the largest and longest in the body?

• Tibial nerve

• Sciatic nerve

• Median nerve

• Ulnar nerve

What is the function of the saphenous nerve?

• To supply impulses to the outer side of the foot

• To control the motion of the neck and shoulder muscles

• To supply impulses to the inner side of the leg and foot

• To affect the muscles of the temple