Which of the following are examples of a sign?
A) Pulse B) Temperature C) Pain D) A and B
D
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Which statements apply to the parasympathetic division of the nervous system?
A) It is dominant during "resting and digesting." B) Epinephrine is the primary neurotransmitter of the parasympathetic division. C) Its ganglia are nearby, on or near their target organs. D) It is dominant during "resting and digesting" and its ganglia are nearby, on or near their target organs. E) All of the statements apply.
Each individual ____ is composed of the cuticle, the cortex, and the medulla
a. hair b. arrector pili c. skin d. nail
What happens at the sodium-potassium exchange pump?
A) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 3 sodium ions for every 2 potassium ions entering the cell. B) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 2 sodium ions for every 3 potassium ions entering the cell. C) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 3 potassium ions for every 2 sodium ions entering the cell. D) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 2 potassium ions for every 3 sodium ions entering the cell. E) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 1 sodium ions for every 6 potassium ions entering the cell.
Which of these cannot cause a mutation?
A) A chemical B) A mistake made by the RNA polymerase C) A mistake made by the DNA polymerase D) A virus E) Radiation