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Author Question: A 21-year-old male is brought to the ED following a night of partying in his fraternity. His friends ... (Read 65 times)

sheilaspns

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on: Jun 25, 2018
A 21-year-old male is brought to the ED following a night of partying in his fraternity. His friends found him asleep and could not get him to respond.
 
  They cannot recall how many alcoholic beverages he drank the night before. While educating a student nurse and the roommates in the fraternity, the nurse begins by explaining that alcohol is
  A)
  water-soluble compound that is easily absorbed by the gastric lining of the stomach.
  B)
  very lipid soluble and rapidly crosses the blood-brain barrier.
  C)
  able to reverse the transport of some substances to remove them from the brain.
  D)
  very likely to cause sedation, and therefore the patient just needs to sleep it off.

Question 2

After being thrown off the back of a bull, the bull rider can move his arms but has loss of motor function in the lumbar and sacral segments of the spinal cord. This is usually referred to as
 
  A)
  tetraplegia.
  B)
  quadriplegia.
  C)
  paraplegia.
  D)
  anterior cord syndrome.


jaymee143

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Ans:
B

Feedback:

The blood-brain barrier prevents many drugs from entering the brain. Most highly water-soluble compounds are excluded from the brain. Many lipid-soluble molecules cross the lipid layers of the blood-brain barrier with ease. Alcohol, nicotine, and heroin are very lipid soluble and rapidly enter the brain. Alcohol toxicity can kill patients, especially if they are not used to consuming beverages. These patients should never be left alone to sleep it off.

Answer to Question 2

Ans:
C

Feedback:

Tetraplegia and quadriplegia are loss of motor or sensory function after damage to neural structures in the cervical segments of the spinal cord. Paraplegia refers to loss of motor or sensory function in thoracic, lumbar, or sacral segments. The arms function as normal. Anterior cord syndrome includes loss of motor function provided by the corticospinal tracts and loss of pain and temperature sensation from damage to the lateral spinothalamic tracts.


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