The primary motor cortex is located
a. posterior to the central sulcus
b. anterior to the central sulcus
c. in the temporal lobe
d. in the parietal lobe
e. posterior to the central sulcus and in the parietal lobe
B
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Insulin causes blood plasma levels of potassium to ________ by _______ activity of the Na+/K+ pumps
A. increase; stimulating B. increase; inhibiting C. decrease; stimulating D. decrease; inhibiting
Which structure is a bundle of smooth muscle fibers that are attached to the hair follicle?
a. cuticle b. root c. medulla d. arrector pili
Which of the following interventions would the paramedic LEAST likely perform on a patient with diabetic ketoacidosis?
A) Insulin administration B) Endotracheal intubation C) Sodium bicarbonate administration D) Infusion of 1 to 2 L of normal saline
An axon can be distinguished from a dendrite because an axon:
a. Frequently possesses stubby outgrowths called spines b. Has a much thicker diameter close to the cell soma than at its end c. Has much greater amounts of Nissl substance d. Lacks ribosomes e. Typically carries a wave of depolarization toward the cell soma