Mean arterial pressure is determined by ________
A) dividing the diastolic pressure by one-third of the pulse pressure
B) the difference of the diastolic pressure and one-third of the pulse pressure
C) the sum of diastolic pressure and one-third of the pulse pressure
D) multiplying the diastolic pressure by one-third of the pulse pressure
C
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The enteric nervous system is a network of neurons found throughout the walls of thoracic organs, such as the lungs.
Answer the following statement true (T) or false (F)
The dens is a process projecting from the ________
A) sacrum B) coccyx C) intervertebral discs D) atlas E) axis
Molecules that serve as chemical signals to open or close gated ion channels are
A. responders. B. ligands. C. isotopes. D. communicators. E. membrane potentials.
A group of cells was treated with a proteolytic (protein-digesting) enzyme. Which of the following processes would be least affected by this treatment?
A. use of carrier molecules in facilitated diffusion B. sodium-potassium exchange pump C. secondary active transport D. diffusion of lipid-soluble molecules through the plasma membrane E. diffusion of sodium through sodium membrane channels