Domanda del libro di testo
Which of the following somatic sensations is not carried by the posterior columns?
a. Tactile senses
b. Temperature
c. Proprioception
d. Stretch
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Ch. 13 The Peripheral Nervous System
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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TOC.tableOfContents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- 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 Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- 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
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Non è quello che usi tu?Cambia libro di testo
Capitolo 13, Problema 17a
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The simple stretch reflex is a monosynaptic reflex with only a single synapse in the spinal cord between the sensory and motor neurons.
Guida verificata passo dopo passo1
Understand the definition of a simple stretch reflex: It is a reflex that occurs when a muscle is stretched, leading to its contraction to resist the stretch. This reflex is mediated by the spinal cord.
Recall that a monosynaptic reflex involves only one synapse between the sensory (afferent) neuron and the motor (efferent) neuron in the spinal cord. This is a key characteristic of the simple stretch reflex.
Evaluate the statement: 'The simple stretch reflex is a monosynaptic reflex with only a single synapse in the spinal cord between the sensory and motor neurons.' This aligns with the definition of a monosynaptic reflex, so the statement is true.
If the statement were false, you would need to identify the error and correct it. For example, if it incorrectly stated that the reflex involves multiple synapses, you would correct it to specify that it is monosynaptic.
Conclude that the statement is true as written, and no correction is necessary.
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Concetti chiave
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Simple Stretch Reflex
The simple stretch reflex, also known as the monosynaptic reflex, is a fundamental neural pathway that involves a direct connection between a sensory neuron and a motor neuron in the spinal cord. This reflex is responsible for the quick response to muscle stretching, such as the knee-jerk reaction, allowing for immediate adjustments in muscle tension.
Video consigliato:
3:37
Stretch Reflex
Monosynaptic Reflex Arc
A monosynaptic reflex arc consists of only one synapse between the sensory neuron and the motor neuron, making it the simplest type of reflex. This structure allows for rapid transmission of signals, resulting in a swift response to stimuli, which is crucial for maintaining posture and balance.
Video consigliato:
5:15Types of Reflex Arcs
Role of Interneurons
While the simple stretch reflex is monosynaptic, many reflexes involve interneurons, which are neurons that connect sensory and motor pathways. Interneurons can modulate reflex responses and integrate information from multiple sources, leading to more complex reflex actions, such as withdrawal reflexes, which involve multiple synapses.
Video consigliato:
1:03Visceral Reflex Arcs Example 1
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.
b. The Golgi tendon organs detect stretch in a simple stretch reflex.
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Domanda del libro di testo
______detect the degree to which a muscle is stretched, whereas______detect the force of a muscle contraction.
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Domanda del libro di testo
Which of the following is the correct order of events of a reflex arc?
a. Stimulus detection and delivery → motor response → integration in the CNS
b. Motor response → stimulus detection and delivery → integration in the CNS
c. Stimulus detection and delivery → integration in the CNS → delivery of motor response
d. Integration in the CNS → motor response → stimulus detection and delivery
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Domanda del libro di testo
Label the following components of the corticospinal tracts with numbers 1 through 6, with 1 being the origin of the tracts and 6 their destination.
_____ Medullary pyramids where most fibers decussate.
_____ Anterior horn of the spinal gray matter.
_____ Midbrain and pons.
_____ Upper motor neurons in the primary motor and premotor cortices.
_____ Corona radiata and internal capsule.
_____ Lateral funiculus of the spinal cord.
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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.
c. A flexion reflex is a monosynaptic reflex with only one synapse in the spinal cord.
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