Name the two large veins that collect blood from the systemic circuit
A) thoracic aorta and abdominal aorta
B) ascending aorta and descending aorta
C) superior vena cava and inferior vena cava
D) external jugular vein and internal jugular vein
E) brachiocephalic vein and subclavian vein
Answer: C
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If a substance has a plasma concentration of 150 mg/ml and a urine concentration of 1.7 mg/ml, and the urine flow rate is 1.3 ml/min, what is the clearance of this substance?
a. 15 ml/min b. 196 ml/min c. 0.4 ml/min d. Cannot be determined with these data e. None of the above
The outermost wall of an artery or vein is called the ________ and in large arteries and veins contains the ________.
A. tunica media; smooth muscle B. tunica externa; valves C. tunica intima; endothelium D. tunica intima; basement membrane E. tunica externa; vasa vasorum
Which of the following is NOT true of phospholipids?
A. They are amphipathic molecules. B. They have a polar head and a nonpolar tail. C. They are glycolipids originally isolated from the prostate gland. D. They are major components of the cell membrane.
Which of the following describes the action of the serratus anterior?
A) adducts the arm B) adducts and flexes the humerus C) protracts the shoulder, abducts and medially rotates the scapula D) medial rotation of the humerus E) lateral rotation of the humerus