The possibility of an individual developing ischemic heart disease
A.is decreased by increasing exercise.
B.is increased by stopping smoking.
C.is decreased by diets containing 50% fat.
D.is increased by diets low in saturated fat.
Which of the following will decrease the affinity of hemoglobin for oxygen?
A.decreased pH, decreased temperature, or decreased 2,3-DPG
B.decreased pH, increased temperature, or increased 2,3-DPG
C.increased pH, increased temperature, or decreased 2,3-DPG
D.increased pH, decreased temperature, or increased 2,3-DPG
Which of the following is true of the auditory tube?
A.It is a passageway from the middle ear to the oropharynx.
B.It is usually collapsed.
C.It opens due to the action of the tensor tympani muscle.
D.Both it is usually collapsed and it opens due to the action of the tensor tympani