Question 5 (1 point) Cerebrospinal fluid DOES NOT: Question 5 options: help redu

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Question 5 (1 point)

Cerebrospinal fluid DOES NOT:

Question 5 options:

help reduce the weight of the brain

initiate nerve impulses (action potentials)

protect the brain from blows by absorbing shock.

provide nourishment to the nervous tissue (brain)

all of the above ARE functions of the cerebrospinal fluid

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Question 6 (1 point)

Following a car accident, a patient is instructed to trace the image of a bicycle. They can trace the image but can not recognize the image as a bicycle. What region of their brain may have been damaged if they can trace the image but be unable to recognize it?

Question 6 options:

Primary visual cortex

Primary motor cortex

Primary auditory cortex

Visual association cortex

Cerebellum

A patient suffering from Alzheimer's arrives in your clinic. To assess their cognitive functions you administer a test known as the "mini-cog" test. You ask the patient to listen carefully and then repeat the following words: APPLE, WATCH, PENNY. The patient in able to repeat the words. The patient returns one year later and you perform the same test. This time, the patient is able to repeat the words and draw the images. You suspect that the patient has suffered damage to:

Question 7 options:

Wernicke's area

Broca's area

right cerebral hemisphere as language is only formed on that side

somatosensory cortex

none of the above, the patient appears to be responding appropriately

Individuals that transect their spinal cord between C4 and T1 would most likely suffer from:

Question 10 options:

paraplegia

quadriplegia

spinal shock

hemiplegia

Either paraplegia or quadriplegia, can not be determined from information given.

help reduce the weight of the brain

initiate nerve impulses (action potentials)

protect the brain from blows by absorbing shock.

provide nourishment to the nervous tissue (brain)

all of the above ARE functions of the cerebrospinal fluid

Explanation / Answer

1. Well all are the functions Of CSF ie it helps in reducing the wwight of the brain, it initiates nerve impulses, it acts as shock absorber, provide nourishment to the brain.

2. Visual cortex is the first stage of visual cortical processing where neurons are specialized for orientation. therefore it must have been damaged due to which the patient cannot recognize the image of the bicycle.

3. The patient might have suffered from the damae of Wernicke's area as it is located between the auditory and visual cortex. This is why he qas able to repeat the words and produce image.

4. The answer is either paraplegia or quadriplegia but cannot be determined by the given information.

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