Symptoms of posttraumatic stress disorder include

A. re-experiencing the trauma in dreams.
B. uncontrollable fear of humiliation.
C. aggressive attempts to relive the trauma.
D. lethargy.


Answer: A

Health & Biomechanics

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Bacteria that have spherical (round) shapes are called _____

A) bacilli B) cocci C) spirochetes D) vibrios

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The cranial cavity lies within and is protected by the cranium

Indicate whether the statement is true or false

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What keeps harmful substances away from the brain?

A) meninges B) spinal cord C) blood-brain barrier

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During a long-term reaction to stress, an overproduction of ________ can suppress the immune system, causing immune cells to decrease and reducing the inflammatory response

A) norepinephrine B) adrenaline C) glucose D) cortisol

Health & Biomechanics