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Question 1 of 6
1. Question
1 points1 which of the following statement are true about nervous system
I influences the activity of all the other organ systems.
II consists of literally billions of neurons interconnected
III it includes brain and endocrine organsCorrect
Incorrect
The nervous system is one of the two regulatory systems in the human body that influences the activity of all the other organ systems. It consists of literally billions of neurons interconnected in a highly organized manner to form circuits
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Question 2 of 6
2. Question
1 points2The nervous system is divided into
I Central nervous system
II Peripheral nervous system
III the brain and spinal cordCorrect
Incorrect
The nervous system is divided into two anatomically distinct regions:
• Central nervous system
• Peripheral nervous system -
Question 3 of 6
3. Question
1 points3 The central nervous system ( CNS ) consists of
I 12 pairs of cranial nerves
II brain
III spinal cordCorrect
Incorrect
The central nervous system ( CNS ) consists of the brain and spinal cord. The peripheral nervous system ( PNS ) consists of 12 pairs of cranial nerves that arise from the brainstem and 31 pairs of spinal nerves arising from the spinal cord
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Question 4 of 6
4. Question
1 points4 These peripheral nerves carry information between
I the CNS and the tissues of the body
II the CNS and cranial nerves
III the CNS and spinal cordCorrect
Incorrect
The central nervous system ( CNS ) consists of the brain and spinal cord. The peripheral nervous system ( PNS ) consists of 12 pairs of cranial nerves that arise from the brainstem and 31 pairs of spinal nerves arising from the spinal cord.
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Question 5 of 6
5. Question
1 points5 The afferent division of PNS carries sensory information
I away from the spinal cord
II toward the CNS
III away from the CNSCorrect
Incorrect
The PNS consists of two divisions:
• Afferent division
• Efferent division
The afferent division carries sensory information toward the CNS and the efferent division carries motor information away from the CNS toward the effector tissues (muscles and glands). The -
Question 6 of 6
6. Question
1 points6 The efferent division of PNS is further divided in to
I somatic nervous system
II autonomic nervous system
III 12 pairs of cranial nervesCorrect
Incorrect
The afferent division carries sensory information toward the CNS and the efferent division carries motor information away from the CNS toward the effector tissues (muscles and glands). The efferent division is further divided into two components: (1) the somatic nervous system, which consists of motor neurons that innervate skeletal muscle; and (2) the autonomic nervous system that innervates cardiac muscle, smooth muscle, and glands