In which of the following situations is a significant amount of carboxyhemoglobin most likely to be present?
A) A patient who is being treated with nitrites for cyanide poisoning
B) A patient with COPD who is short of breath with an SpO2 of 90 percent
C) A patient found unresponsive in an apartment in which there is a gas furnace
D) A patient who inhaled anhydrous ammonia fumes
C
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The general sensory relay nuclei of the thalamus convey:
a. Somatosensory action potentials to primary somatosensory cortex in the parietal lobe b. Somatosensory action potentials to somatosensory association cortex in the parietal lobe c. Somatosensory action potentials to motor cortex in the frontal lobe
Which pressure-regulating devices are preferred for managing excessive pressure and considered to be the most reliable method of pressure control?
A. Pressure-control devices B. Pressure-restricting devices C. Pressure-reducing devices D. Pressure-maintaining devices