Arteries
A. carry only oxygenated blood.
B. carry blood away from the heart.
C. have valves.
D. serve as a blood reservoir.
E. All of these are true of arteries.
Ans: B. carry blood away from the heart.
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Sweat cools the body by
A. radiation. B. convection. C. evaporation. D. conduction.
Which of the following is not a subcellular structure?
A) intercellular material B) membranes C) cytoplasm D) organelles
Which of the following is not a requirement for measurement of the basal metabolic rate (BMR)?
a. the person must not have exercised for at least 30 minutes. b. the person must not have eaten any food within 12 hours. c. the person must have slept at least 7 hours the previous night. d. the person should be at mental rest during the measurement. e. the measurement should take place at a comfortable room temperature.
The nasal cavity is divided into right and left sides by
A. the conchae. B. the paranasal sinuses. C. external nares. D. the nasal septum. E. the hard palate.