Which of the following contains/contain oxygenated blood?
A. pulmonary trunk
B. pulmonary arteries
C. pulmonary veins
D. brachiocephalic veins
E. SVC
Answer: C
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In the blood, the gamma globulin-producing leukocytes are more numerous than the leukocytes that differentiate to become macrophages
Indicate whether the statement is true or false
_______ reflects the amount of red blood cells mass as a proportion of whole blood.
a. leukocytosis b. aplastic c. hemolytic d. hematocrit
The entire space between the pleural cavities containing only the heart, great vessels, thymus, trachea and esophagus is called the
A) pericardial cavity. B) mediastinum. C) thoracic cavity. D) anterior cavity. E) abdominopelvic cavity.
Which component of a feedback system brings conditions back to the normal range?
A. Afferent B. Thermostat C. Effector D. Sensor