________ help keep the lungs clean.
A. Basal bodies
B. Cilia
C. Microvilli
D. Flagella
Answer: B
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If the EDV is 140 mL, which other values are most likely to occur in a healthy, normal person?
A) The cardiac output could be 90 mL. B) The ESV could be 70 mL and the SV could be 90 mL. C) The ESV could be 90 mL and the SV could be 50 mL. D) Diastolic pressure would be equal to EDV. E) The ESV could be 50 mL and the SV could be 90 mL.
Which of the following is not accomplished by thrombin?
a. stimulates conversion of fibrinogen to fibrin b. activates tissue thromboplastin, which initiates the extrinsic clotting pathway c. activates factor XIII (fibrin-stabilizing factor) d. enhances platelet aggregation e. acts in positive-feedback fashion to facilitate its own formation
Which of the following is not a component of the villus?
a. terminal lymphatic vessel b. capillary network c. epithelial cell covering d. central lacteal e. none of these
Which organ secretes erythropoietin?
A. Liver B. Kidneys C. Lungs D. Bone marrow