Which type of burn appears white or black with no immediate pain?
A. First-degree
B. Second-degree
C. Fourth-degree
D. Partial-thickness
E. Third-degree
Answer: E
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A neuron has received a signal, causing ion channels to open in the cell membrane, letting positively charged ions flow in. This has caused the membrane potential to change suddenly from –70 to +50 millivolts. This will cause a (an) _____ to occur.
a) resting state b) action potential c) negative charge d) positive charge
____________________ is a motor molecule that moves toward the "plus" end of a cytoskeletal filament made of actin
Fill in the blank(s) with correct word
A stab wound into the heart can result in cardiac tamponade. This means that
A. the electrical conduction system of the heart is damaged. B. the heart is compressed by blood in the pericardial sac. C. blood enters the pleural cavity. D. the left coronary artery has been damaged or cut. E. the heart has lost all of its blood.
The majority (70%) of CO2 in blood is transported in what form?
A. bound to albumin B. carbaminohemoglobin C. dissolved CO2 D. HCO3- E. H2CO3