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Ch. 14 The Brain and Cranial Nerves
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Martini, Nath, Bartholomew 11th EditionCh. 14 The Brain and Cranial Nerves문제 30
14장, 문제 30

Colleen falls down a flight of stairs and bumps her head several times. Soon after, she develops a headache and blurred vision. Diagnostic tests at the hospital reveal an epidural hematoma in the temporoparietal area. The hematoma is pressing against the brainstem. What other signs and symptoms might she experience as a result of the injury?

검증된 단계별 안내
1
Step 1: Understand the anatomy involved. The temporoparietal area is located on the side of the head, and an epidural hematoma here can cause increased intracranial pressure, especially if it presses against the brainstem, which controls vital functions and pathways for motor and sensory signals.
Step 2: Identify the functions of the brainstem. The brainstem regulates autonomic functions such as breathing, heart rate, and consciousness, and contains cranial nerve nuclei that control eye movement, facial sensation, and motor control.
Step 3: Consider symptoms related to brainstem compression. These may include altered consciousness or coma, irregular breathing patterns, abnormal heart rate, difficulty swallowing, weakness or paralysis on one side of the body, and cranial nerve deficits such as pupil dilation or impaired eye movements.
Step 4: Relate the location of the hematoma to possible neurological signs. Since the hematoma is in the temporoparietal region pressing on the brainstem, symptoms like contralateral hemiparesis (weakness on the opposite side of the body), ipsilateral pupil dilation (due to oculomotor nerve compression), and possible sensory deficits may occur.
Step 5: Summarize expected clinical signs. In addition to headache and blurred vision, Colleen might experience nausea, vomiting, decreased level of consciousness, unequal pupils, weakness or numbness on one side, and irregular breathing or heart rate due to brainstem involvement.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Epidural Hematoma

An epidural hematoma is a collection of blood between the dura mater and the skull, often caused by traumatic head injury. It can increase intracranial pressure, compress brain structures, and lead to neurological deficits. Rapid diagnosis and treatment are critical to prevent brain damage or death.

Brainstem Function and Compression Effects

The brainstem controls vital functions such as breathing, heart rate, and consciousness. Compression of the brainstem by a hematoma can cause symptoms like altered consciousness, irregular breathing, abnormal pupil responses, and motor deficits due to disruption of these essential pathways.
추천 영상:
가이드 코스
1:32
Effects of the Complement System

Neurological Signs of Temporoparietal Injury

Injury to the temporoparietal region can cause symptoms such as headache, visual disturbances, sensory deficits, and motor weakness. Combined with brainstem compression, signs may include cranial nerve palsies, hemiparesis, and changes in vital signs, reflecting both cortical and brainstem involvement.
추천 영상:
가이드 코스
4:28
Overview of Hemostasis
관련 실천
교과서 질문

A cerebrovascular accident occurs when

(a) The reticular activating system fails to function

(b) The prefrontal lobe is damaged

(c) The blood supply to a portion of the brain is cut off

(d) A descending tract in the spinal cord is severed

(e) Brainstem nuclei hypersecrete dopamine

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교과서 질문

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What kinds of problems are associated with the presence of lesions in the Wernicke's area and the Broca's area?

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A police officer has just stopped Bill on suspicion of driving while intoxicated. The officer asks Bill to walk the yellow line on the road and then to place the tip of his index finger on the tip of his nose. How would these activities indicate Bill's level of sobriety? Which part of the brain is being tested by these activities?

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