Skip to main content
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 26
14장, 문제 26

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

검증된 단계별 안내
1
Step 1: Understand the term 'cerebrovascular accident' (CVA), which is commonly known as a stroke. It involves an interruption of blood flow to a part of the brain.
Step 2: Review each option to see which one describes a condition related to blood flow or vascular issues in the brain.
Step 3: Option (a) mentions the reticular activating system failing, which affects consciousness but is not specifically about blood supply.
Step 4: Option (b) involves damage to the prefrontal lobe, which affects cognitive functions but does not directly describe a vascular event.
Step 5: Option (c) states that the blood supply to a portion of the brain is cut off, which matches the definition of a cerebrovascular accident.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
도움이 되었나요?

주요 개념

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

Cerebrovascular Accident (Stroke)

A cerebrovascular accident, commonly known as a stroke, occurs when the blood supply to a part of the brain is interrupted or reduced, depriving brain tissue of oxygen and nutrients. This can result from a blockage (ischemic stroke) or bleeding (hemorrhagic stroke), leading to brain cell damage or death.
추천 영상:
3:44
Steps of Muscle Contraction Example 5

Blood Supply to the Brain

The brain relies on a continuous supply of oxygenated blood delivered through arteries like the carotid and vertebral arteries. Any disruption in this blood flow, such as a clot or hemorrhage, can cause brain dysfunction or damage, highlighting the importance of vascular health in neurological function.
추천 영상:
6:37
Blood Supply to the Kidneys

Neurological Functions of Brain Regions

Different brain areas have specific roles: the reticular activating system regulates consciousness, the prefrontal lobe manages decision-making, and brainstem nuclei control vital functions. Damage to these areas causes distinct symptoms, but a stroke specifically involves impaired blood flow rather than direct damage to these structures alone.
추천 영상:
3:10
Major Regions of the Brain
관련 실천
교과서 질문

What are the principal functional differences between the right and left cerebral hemispheres?

939
views
교과서 질문

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?

702
views
교과서 질문

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

746
views
교과서 질문

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?

696
views
교과서 질문

Damage to the vestibular nucleus would lead to

(a) Loss of sight

(b) Loss of hearing

(c) Inability to sense pain

(d) Difficulty in maintaining balance

(e) Inability to swallow

705
views
교과서 질문

Which structure in the brain is your A&P instructor referring to when talking about a nucleus that resembles a sea horse and that is important in the storage and retrieval of long-term memories? In which functional system of the brain is it located?

744
views