Which of the following factors of the internal environment is not homeostatically maintained?
a. its concentration of nutrient molecules.
b. its concentration of nitrogen gas, of which 80% of the atmospheric air is composed.
c. its concentration of oxygen and carbon dioxide.
d. its pH.
e. its temperature.
B
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What is the pia mater?
a. Cords of nerve tissue that extend from the conus medullaris b. Space between the surface of the brain and arachnoid mater c. Tough fibrous meninx that is the most superficial layer of the meninges d. Deepest meninx that is attached directly to the surface of the spinal cord
Which is not a cranial bone?
A. Temporal B. Parietal C. Frontal D. Vomer E. Occipital
What is basal metabolic rate?
A) the minimum resting energy expenditure of an awake, alert person B) the minimum resting energy expenditure of a sleeping person C) the maximum energy expenditure during exercise of an average person D) the maximum energy expenditure during exercise of an athlete E) the amount of heat generated by an awake, alert person
A muscle that is not consciously controlled and has a banded appearance would be described as
A. smooth voluntary. B. nonstriated voluntary. C. striated voluntary. D. nonstriated involuntary. E. striated involuntary.