A 23-year-old patient who recently had a head injury from a motor vehicle accident is unconscious. Which of the following physiological adaptations is primarily responsible for the patient's level of consciousness?
a. Medulla oblongata
b. Reticular formation
c. Pituitary gland
d. External stress response
B
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A The medulla oblongata controls vital functions such as heart rate, blood pressure, and respiration.
B The reticular formation is primarily responsible for an individual's level of consciousness.
C The pituitary gland supplies hormones that control vital functions. The pituitary gland produces hormones necessary for adaptation to stress.
D The external stress response is not primarily responsible for a person's level of consciousness.
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