25
a patient who smokes has hypertension. how could smoking have contributed to the patient's hypertension?

a. by constricting the blood vessels
b. by dilating the blood vessels
c. by causing plaque buildup in the arteries
d. by causing blood clots in the arteries

Smoking have contributed to the patient's hypertension by constricting the blood vessels. Correct A The chemical in the cigarettes -nicotine causes the blood vessels to constrict or narrow and this limits the amount of blood that flows to your organs, condition known as hypertension.

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.