Why are functions of T-lymphocytes referred to as "cell-mediated" immunity?
A. Because T-lymphocytes work against antigens associated with cells
B. Because T-lymphocytes must activate other classes of cells in order to have any effect
C. Because T-lymphocytes are cells and not just plasma proteins
D. Because T-lymphocytes work only against single-celled infectious agents
Answer: A
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The only direct connection between the pectoral girdle and the axial skeleton is where the
A) clavicle articulates with the humerus. B) clavicle articulates with the manubrium of the sternum. C) coxal bones articulate with the femur. D) vertebral column articulates with the sacrum. E) clavicle articulates with the xiphoid process.
Capillaries
a. Are where the ultimate purpose of the cardiovascular system occurs b. Contain ~25% of our blood at any given moment c. Have very thick walls and are surrounded by smooth muscle d. Are where blood flow is at its peak velocity
The type of muscle that is found in blood vessel walls is ________ muscle.
A. skeletal B. smooth C. cardiac
Which of the following is NOT a subdivision of the peritoneum?
A) endothelium B) mesentery C) greater omentum D) mesocolon