John does not smoke, but he rides home from work in the smoking car of a commuter train because he wants to be with his friends. Which of the following is true of John? a. He is subject to sidestream smoke.
b. He is subject to secondhand smoke.
c. He is not at risk for lung cancer.
d. His clothing may end up smelling of smoke.

Latesha moore has a choice at work between a traditional health insurance plan that pays 80 percent of the cost of doctor visits after a $250 deductible and an hmo that charges an $8 co-payment per visit + a $20 monthly premium deduction from her paycheck. latesha anticipates seeing a doctor once a month for her high blood pressure. the cost of each office visit is $50. she normally sees the doctor an average of three times a year for other health concerns. comment on the difference in costs between the two health care plans and the advantages and disadvantages of each.

Which finger should not be used when measuring heart rate?

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.