A muscle that is being regularly contracted during exercise will attract blood flow by dilating arterioles. Which of these factors would contribute to this effect?
A. heat loss from the muscle
B. increased levels of carbon dioxide
C. an increase in sympathetic tone
D. increased levels of oxygen
Select your answer:
Topics:
Bone Development and Remodeling Kinetics Human Urinary System Biological Molecules Blood types and Blood Components Common Respiratoty Diseases Nutrition in Animals Bacterial Growth and Culturing Conditions Disease Immunity Cell Injury DNA & Types of Reproduction Enzymes and Movement of Substances Human Anatomy Visual ImpairmentOther quiz:
Microbes › ViewWhich microbe causes malaria?
A. virus
B. bacteria
C. fungi
D. parasite
Neuroanatomy › View
Which of the following statements is TRUE regarding the membrane potential of a neuron?
A. At rest, sodium has the greatest influence over the membrane potential (-70 mV) due to the greater difference in ion concentration inside and outside the cell.
B. Potassium leak channels allow fir a constant efflux of potassium ions when a neuron is at rest.
C. At rest, the equilibrium potential for sodium is the most negative and has the highest permeability of all ions.
D. Chloride has the highest concentration of ions inside of a neuron when at rest.