At what temperature and pressure must the autoclave be set to sterilize something in 15 minutes?
What will be an ideal response?
The autoclave should be set at 121°C at 15 psi.
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Water lost through feces is considered ___________ water loss
A. sensible, obligatory B. sensible, facultative C. insensible, obligatory D. insensible, facultative
Why is it important to precisely regulate the pH of blood or other body fluids?
A) Blood functions as an excellent solvent. B) Blood and other body fluids have a very high heat capacity. C) Dehydration synthesis of large molecules occurs. D) Hydrogen ions are extremely reactive. E) Some organic molecules have polar covalent bonds.
The bicarbonate system is composed of H2CO3 and HCO-3. Which statement accurately describes these molecules?
A. H2CO3 is a weak acid, and HCO-3 is a weak base. B. H2CO3 is a strong base, and HCO-3 is a weak acid. C. H2CO3 and HCO-3 are both weak acids. D. H2CO3 is a weak base, and HCO-3 is a weak acid. E. H2CO3 and HCO-3 are both strong bases.
The artery at the pulse point found on the anterior surface of the lateral wrist is the ________
A) radial artery B) external carotid artery C) popliteal artery D) femoral artery