교과서 질문
Explain how the cerebellum is physically connected to the brain stem.
1011
views
Ch. 12 The Central Nervous System
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034
Not the one you use?Change textbookSelect a different textbook
Table of contents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units21
- Ch. 4 Tissue: The Living Fabric20
- Ch. 5 The Integumentary System11
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton14
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue19
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity32
- Ch. 14 The Autonomic Nervous System19
- Ch. 15 The Special Senses26
- Ch. 16 The Endocrine System23
- Ch. 17 Blood25
- Ch. 18 The Cardiovascular System: The Heart24
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues14
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses27
- Ch. 22 The Respiratory System21
- Ch. 23 The Digestive System31
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System26
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System24
- Ch. 28 Pregnancy and Human Development25
- Ch. 29 Heredity11
12장, 문제 20
Describe the functional problems that would be experienced by a person in which these fiber tracts have been cut:
a. Lateral spinothalamic
b. Ventral and dorsal spinocerebellar
c. Tectospinal
검증된 단계별 안내1
Step 1: Understand the function of the lateral spinothalamic tract. This tract carries pain and temperature sensory information from the body to the brain. If it is cut, the person would experience loss or impairment of pain and temperature sensation on the opposite side of the body below the level of the lesion.
Step 2: Examine the roles of the ventral and dorsal spinocerebellar tracts. These tracts transmit proprioceptive information from muscles and joints to the cerebellum, which is essential for coordination and balance. Damage to these tracts would result in problems with coordination, such as ataxia, and difficulty maintaining balance and posture.
Step 3: Analyze the function of the tectospinal tract. This tract is involved in reflexive head and neck movements in response to visual and auditory stimuli. If cut, the person would have impaired reflexive turning of the head toward stimuli, affecting their ability to quickly respond to environmental cues.
Step 4: Summarize the combined effects of these lesions. The person would have sensory deficits (loss of pain and temperature sensation), motor coordination problems (due to impaired proprioceptive input), and reduced reflexive head and neck movements.
Step 5: Relate these functional problems to clinical symptoms. For example, the person might report numbness or inability to feel temperature changes, unsteady gait or clumsiness, and delayed or absent reflexive responses to sudden sights or sounds.
비슷한 문제에 대한 검증된 영상 답변:
이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
2m도움이 되었나요?
주요 개념
질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.
Lateral Spinothalamic Tract Function
The lateral spinothalamic tract transmits pain and temperature sensations from the body to the brain. Damage to this tract results in loss of these sensations on the opposite side of the body below the lesion, causing difficulties in detecting harmful stimuli and temperature changes.
추천 영상:
06:04
Functional Groups
Spinocerebellar Tracts and Proprioception
The ventral and dorsal spinocerebellar tracts carry proprioceptive information from muscles and joints to the cerebellum, essential for coordinating movement and balance. Lesions here lead to impaired coordination, unsteady gait, and difficulty in fine motor control due to disrupted feedback about limb position.
추천 영상:
3:34Somatosensory System
Tectospinal Tract and Reflexive Head Movements
The tectospinal tract mediates reflexive head and neck movements in response to visual and auditory stimuli. Damage to this tract impairs the ability to orient the head toward stimuli, affecting reflexive postural adjustments and spatial awareness.
추천 영상:
3:01Tendon Reflex
관련 실천
교과서 질문
a. How is cerebrospinal fluid formed and drained? Describe its pathway within and around the brain.
b What happens if CSF does not drain properly? Why is this consequence more harmful in adults?
1151
views
교과서 질문
Describe the stages of sleep and outline the order in which we progress through these stages during a typical night's sleep
732
views
교과서 질문
Mrs. Jones has had a progressive decline in her mental capabilities in the last five or six years. At first her family attributed her occasional memory lapses, confusion, and agitation to grief over her husband's death six years earlier. When examined, Mrs. Jones was aware of her cognitive problems and was shown to have an IQ score approximately 30 points less than would be predicted by her work history. A CT scan showed diffuse cerebral atrophy. The physician prescribed an acetylcholinesterase inhibitor and Mrs. Jones showed slight improvement. What is Mrs. Jones's problem? Why did the acetylcholinesterase inhibitor help?
694
views
교과서 질문
Robert, a brilliant computer analyst, suffered a blow to his anterior skull from a falling rock while mountain climbing. Shortly thereafter, it was obvious to his coworkers that his behavior had undergone a dramatic change. Although previously a smart dresser, he was now unkempt. One morning, he was observed defecating into the wastebasket. Which region of Robert's brain was affected by the cranial blow?
1014
views
2
rank
교과서 질문
What does lateralization of cortical functioning mean?
Why is the term cerebral dominance a misnomer?
1187
views
3
rank