What factors contribute to the energy cost of a given activity?
A. duration of activity
B. intensity of activity
C. person's weight
D. All of these factors are used.
Answer: D
You might also like to view...
Which one of the following statements about humoral immune responses is true?
A. Naive B cells are required for initiation of primary responses and memory B cells are required for initiation of secondary responses. B. Antibody responses to bacterial polysaccharide antigens require CD4+ helper T cells. C. Heavy chain isotype switching typically occurs in response to bacterial polysaccharide antigens. D. Affinity maturation does not require helper T cells. E. Antibody-secreting cells generated during a humoral immune response live for only a few hours.
Which of the following is not associated with the reactivation of herpesviruses?
a. hormonal fluctuations b. antibody deficiency c. bacterial infection d. immunosuppression e. ultraviolet radiation.
Which body plane is also called the frontal plane?
A) coronal B) inguinal C) sagittal D) transverse
Which of the following statements about the field of environmental health is FALSE?
A. Advancements in technology have contributed to our ability to both affect and damage the environment. B. Environmental pollutants contribute to infectious diseases but not to chronic diseases. C. Environmental health encompasses all the interactions of humans and their environment and the health consequences of these interactions. D. Environmental health grew out of efforts to control infectious diseases spread by water, waste, food, rodents, and insects.