Your hand has a scratch. What signals would indicate that the injury is inflamed?
A. Cold, gray, sunken, numb
B. Yellow, not swollen, tingling, normal temperature
C. Red, hot, swollen, painful
D. No change to the site other than evidence of the scratch
Answer: C. Red, hot, swollen, painful
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Hyposecretion of hormones from the adrenal cortex leads to
A. buffalo hump. B. Cushing syndrome. C. Addison disease. D. moon face.
Vagal tone remains intact following a spine injury because:
A) the vagus nerve originates outside the medulla and regulates the heart via the carotid arteries. B) parasympathetic nerve fibers are largely under the control of the involuntary nervous system. C) the nerve fibers of the parasympathetic nervous system do not originate from the brainstem or spinal cord. D) the thoracolumbar system provides parasympathetic stimulation to the periphery via alpha and beta receptors.
Nucleic acids include
A. steroids and triglycerides. B. RNA and DNA. C. proteins and DNA. D. enzymes and RNA.
Which disorder is characterized by involuntary periods of sleep that occur throughout the day?
a) narcolepsy b) insomnia c) sleep apnea d) coma e) amnesia