Domanda del libro di testo
A spinal nerve divides into a(n)_____ that serves the anterior side of the body and the limbs and a(n)_____that serves the posterior side of the body.
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Ch. 13 The Peripheral Nervous System
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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TOC.tableOfContents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822Non è quello che usi tu?Cambia libro di testo
Capitolo 13, Problema 1e
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
e. There are 31 pairs of spinal nerves and 12 pairs of cranial nerves.
Guida verificata passo dopo passo1
Step 1: Understand the anatomy of the nervous system, specifically the division of spinal nerves and cranial nerves. Spinal nerves are part of the peripheral nervous system and emerge from the spinal cord, while cranial nerves emerge directly from the brain.
Step 2: Recall the number of spinal nerves. There are 31 pairs of spinal nerves in humans, categorized as cervical (8 pairs), thoracic (12 pairs), lumbar (5 pairs), sacral (5 pairs), and coccygeal (1 pair). This part of the statement is true.
Step 3: Recall the number of cranial nerves. There are 12 pairs of cranial nerves in humans, each with specific functions such as sensory, motor, or both. This part of the statement is also true.
Step 4: Evaluate the statement as a whole. Since both parts of the statement are accurate, the statement is true.
Step 5: If the statement were false, you would correct it by providing the accurate numbers for spinal nerves (31 pairs) and cranial nerves (12 pairs). However, no correction is needed in this case.
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Spinal Nerves
Spinal nerves are part of the peripheral nervous system and emerge from the spinal cord. There are 31 pairs of spinal nerves, which are categorized into cervical, thoracic, lumbar, sacral, and coccygeal regions. Each pair innervates specific body areas, facilitating communication between the central nervous system and the rest of the body.
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Cranial Nerves
Cranial nerves are a set of 12 pairs of nerves that emerge directly from the brain, primarily responsible for sensory and motor functions of the head and neck. They play crucial roles in functions such as vision, hearing, taste, and facial movements. Each cranial nerve has a specific function and pathway, contributing to the overall functioning of the nervous system.
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True/False Statements
True/false statements are assertions that can be evaluated for their accuracy. In the context of the question, understanding the correct number of spinal and cranial nerves is essential for determining the truth of the statement. If a statement is false, it can be corrected by providing the accurate information, which in this case involves recognizing that there are 12 pairs of cranial nerves, not 31.
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Pratica correlata
Domanda del libro di testo
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The somatic sensory division of the PNS detects sensory stimuli from the organs in the thoracic and abdominopelvic cavities.
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Domanda del libro di testo
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. The somatic motor division of the PNS consists of lower motor neurons that directly innervate skeletal muscle fibers.
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Domanda del libro di testo
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. The term nerve is the equivalent of the term neuron.
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Domanda del libro di testo
Explain why you lose both motor and sensory function of a part of your body when a spinal nerve is numbed with anesthetic agents.
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Domanda del libro di testo
Devise a series of physical examination tests that assess the function of each of the cranial nerves.
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