A Strategy to Minimize Secondary Brain Injury in Head-Injured Patients

question 18

Multiple Choice

A strategy to minimize secondary brain injury in head-injured patients is

• A) hyperventilation to keep PCO₂ less than 30.
• B) fluid restriction to keep central venous pressure less than 6 cm H₂O.
• C) maintaining body temperature more than 37.5° C.
• D) fluid resuscitation as needed to keep the systolic blood pressure greater than 90 mm Hg.

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Definitions:

Exocytosis

The process by which cells transport molecules out of the cell by the fusion of vesicles with the plasma membrane.

Presynaptic Terminal

The end point of a neuron where it connects to another neuron or muscle cell, releasing neurotransmitters to transmit nerve impulses.

Acetylcholine

A neurotransmitter involved in muscle activation and various functions in the central and peripheral nervous system, including memory and arousal.

ATP Molecule

Adenosine triphosphate, the primary carrier of energy in cells, facilitating energy transfer by undergoing enzymatic hydrolysis.