A teratogen is most likely to cause __________.
A. a deformity of the limbs
B. aneuploidy
C. trisomy
D. nondisjunction
E. a mutation
A. a deformity of the limbs
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What is hemostasis?
A. The maintenance of relatively stable conditions in the internal environment B. A disease in which blood clot formation is impaired C. The set point for normal arterial blood pressure D. The prevention or stoppage of blood loss E. A protein inside red blood cells that binds oxygen with high affinity
Which of the following structures is used to reduce friction in joints?
1. Bursae 2. Synovial fluid 3. Accessory ligaments 4. Elastic fibers a) 1 only b) 2 only c) 3 only d) 4 only e) 1 and 2
The time period between fertilization and implantation is approximately ________ days.
A. 14 B. 7 C. 10 D. 5 E. 21
Oxygen-poor blood passes through the ________.
A. right AV (tricuspid) and pulmonary valves B. left AV (mitral) valve only C. left AV (mitral) and aortic valves D. pulmonary and aortic valves E. right AV (tricuspid) valve only