If the activity of the sodium-potassium pump was completely stopped, what would happen to the neuron's membrane potential?
A) immediate loss of resting potential
B) immediate loss of action potentials
C) slow decrease of resting potential
D) no effect
Answer: C
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Which of the following statements about bones is false?
A. Bones are dry and dead, made up of calcium and connective fibers with a few blood vessels running through them. B. Blood cells are produced in the bone marrow. C. Bones are living organs with multiple tissue types and multiple cell types. D. Arthritis occurs when the cartilage between bones wears down.
The interval before the onset of DNA replication is
A) the G2 stage. B) all stages. C) the G1 stage. D) the M stage. E) the S stage.
During exercise, your cardiac output can increase dramatically in order to meet the metabolic demands of your tissues. If your heart rate increased to 150 beats per minute and the volume of blood pumped per beat is 75 mL, what is your cardiac output?
A) 5 L/min B) 11.25 L/min C) 11,250 L/min D) 50,000 L/min
Important members of the intestinal microbiota are the strictly anaerobic
A. Enterobacter. B. Bacteroides. C. Pseudomonas. D. Bordetella. E. Legionella.