Humoral immunity consists of
1. T and B cells.
2. antibodies.
3. granulocytes.
4. complement system.
A) 1, 2, 3 and 4 B) 1, 2, and 3 C) 1 and 3 D) 2 and 4
D
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What COHb level is associated with a throbbing headache, nausea, vomiting, and impaired judgment?
a. 1% to 10% b. 10% to 20% c. 20% to 30% d. 30% to 50%
For an externally rotated AP oblique knee projection, the
1. leg is externally rotated until an imaginary line connecting the femoral epicondyles is at a 45-degree angle with the IR. 2. leg is internally rotated until an imaginary line connecting the femoral epicondyles is at a 45-degree angle with the IR. 3. central ray is aligned parallel with the tibia plateau. 4. central ray is centered at a level 0.75 inch (2 cm) distal to the medial femoral epicondyles. a. 1 and 4 only b. 1 and 3 only c. 2 and 4 only d. 1, 3, and 4 only