Which of the following factors contribute to stimulate the first breath?
I. Tactile stimulation
II. Stimulation of central chemoreceptors
III. Stimulation of peripheral chemoreceptors
IV. Thermal stimuli
a. I and IV only c. I, II, and III only
b. I, II, III, IV d. II and III only
b. I, II, III, IV
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At 61 years of age and older, which of the following physiological changes takes place?
a. Cortisol from the adrenal cortex is diminished by 50 percent. b. There is a 25 to 30 percent decrease in kidney mass. c. An increase in neurotransmitters in the nervous system results in a decrease in coordination. d. The ear canal atrophies, and the eardrum thins.
For the patient exposed to a nerve agent, which of the following signs would the EMT expect?
A) Dilated pupils B) Elevated blood pressure C) Decreased body temperature D) Increased salivation
The sections of a gene that contain the coding sequences for the final protein product are:
a. Exons b. Introns c. UTRs d. Nucleosomes
The customary size for an examination room is ____.
A. 4 ft. by 6 ft B. 6 ft. by 8 ft C. 8 ft. by 10 ft D. 8 ft. by 12 ft E. 10 ft. by 16 ft