10 Select the correct answer.
Why does blood flow tend to be faster in arteries than in veins?
OA.
OB.
O
because blood viscosity is higher in arteries than in velns
because blood pH is lower in arteries than in veins
because blood pressure is higher in arteries than in veins
because blood pressure is lower in arteries than in veins
C
OD.
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A74-year-old woman, who has been followed for the past 25 years for chronic obstructive pulmonary disease comes to the ed complaining of 48 hours of temperature to 38.6 c and worsening shortness of breath. she has a chronic productive cough, which has become more copious. on physical examination, she has rhonchi and increased fremitus in the posterior mid-lung field. a gram's stain reveals many epithelial cells and multiple gram-positive and gram-negative organisms; no neutrophils are seen. which of the following is the most likely organism causing the symptoms? - escherichia coli- haemophilus influenzae- klebsiella pneumoniae- mycobacterium tuberculosis- mycoplasma pneumoniae