Which of the following test results is/are needed to calculate TLC?    1. FRC    2. RV    3. VT    4. ERV    5. IC    6. VC    A. 1, 3    B. 2, 6    C. 2, 5    D. 1 and 5, or 2 and 6

Before a patient does an FVC test, the pneumotachometer should have the following done:    A.The gas analyzer should be calibrated.    B.A CO2-absorbing material should be placed in line with the circuit.    C.A 3-L volume should be pumped into and out of the circuit to check for leaks.    D.The kymograph speeds should be checked.

What is the purpose of the uropod in a crayfish?

What is the purpose of the Chelicera of a horseshoe crab?

What characteristic best describes sit-and-wait predators, such as some crocodilians?

How can a queen bee be identified?

Which of the following is not part of the caste system of termites?

Which of the following features distinguishes the ratites from carinates?

Which crocodilian group is known for its long, slender snouts and fish-eating habits?

How can you tell the difference between a centipede and a millipede?