The MOST ominous sign of impending cardiopulmonary arrest in infants and children is:
A. pallor.
B. retractions.
C. nasal flaring.
D. bradycardia.
Answer: D. bradycardia.
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Which of the following occurs when the temperature in a compartment results in the simultaneous ignition of all of the combustible contents in the space?
A. Rollover B. Backdraft C. Flashover D. Flameover
________ are defined as chemical messengers secreted by the endocrine system
Fill in the blank(s) with correct word
Which of the following does not describe the gray matter of the spinal cord?
A. It is the inner part of the spinal cord. B. It contains neuron cell bodies. C. Its divisions are called horns. D. It contains myelinated axons. E. Its central canal contains CSF.
_______________ ventilation is a safety feature incorporated with the spontaneous breathing mode.
Fill in the blank(s) with the appropriate word(s).