The pollex contains how many phalanges?
A) 1
B) 2
C) 3
D) 5
Ans: B) 2
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Billy has been serving in a noncombat position in the army for two years and has just been informed that he is leaving on a combat mission tomorrow. Billy is feeling very stressed. How has his endocrine system responded to this bad news? Which hormones are involved, and what effects do they have?
What will be an ideal response?
What chemical dissolves blood clots?
A) protein C B) plasmin C) thromboxane A2 D) heparin E) fibrin
The head of the fibula articulates with the ________.
A. femur B. patella C. femur, patella, and tibia D. tibia
What is the best description of a secondary active transport process that cotransports an amino acid with Na+?
A. Both Na+ and the amino acid bind on the side of the membrane where the Na+ concentration is lowest, and undergo net movement to the other side of the membrane. B. Na+ and the amino acid bind to opposite sides of the membrane, and Na+ undergoes net transport from the side of the membrane with higher Na+ concentration toward the side with lower concentration, while the amino acid moves in the opposite direction. C. Both Na+ and the amino acid bind on the side of the membrane where the Na+ concentration is higher, and both are transported to the side of the membrane where the Na+ concentration is lower. D. Both Na+ and the amino acid bind to the side of the membrane where the amino acid concentration is highest and are transported toward the side of the membrane where the amino acid concentration is lower. E. Na+ and the amino acid bind to opposite sides of the membrane, and the amino acid undergoes net transport from the side of the membrane with lower Na+ concentration to the side of the membrane where the Na+ concentration is higher.