In the air we breathe, which gas is found in the highest concentration?
A. Hydrogen
B. Water vapor
C. Nitrogen
D. Oxygen
E. Carbon dioxide
Answer: C
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Fibrinolysis involves ________ of the fibrin framework, and it involves the protein _______
A. construction, thrombokinase B. construction, plasmin C. construction, actinomyosin D. destruction, plasmin E. destruction, thrombokinase
Stimulation of the beta receptors on heart muscle results in
A) increased sensitivity to acetylcholine. B) the formation of cAMP. C) decreased force of cardiac contraction. D) decreased rate of contraction. E) All of the answers are correct.
Jennifer has experienced pain in her left shoulder that is likely due to ligament damage. Which of the following symptoms will most likely accompany the pain?
A. Damage to the anterior cruciate ligament B. Increased range of motion C. Reduction of range of motion D. Tear in the lateral ligament
The phospholipids in the cell membrane are composed of what?
A. Hydrophilic tails B. Transport proteins C. Hydrophobic chains and hydrophilic heads D. Hydrophobic heads