Biological weapons are often hard to identify because they:
A) change their form upon contact with the host.
B) often do not have any immediate symptoms.
C) do not vaporize readily.
D) are vaporized with the initial explosions.
B
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The inferior vena cava returns deoxygenated blood to the heart from
A) the coronary circulation. B) the head and neck. C) the lower extremities and abdomen. D) none of these—the vena cava carries oxygenated blood.
Contractility is the ability of a cardiac cell to
A) contract. B) initiate an impulse without outside stimulus. C) respond to a stimulus by depolarizing. D) pass an impulse along to neighboring cells.
The most common language spoken in the United States after English is:
A) German. B) Spanish. C) Medical. D) French.
Which view of conflict reflects that conflict is necessary in order for decisions to be made??
A) Traditional B) Human relations C)Interactionist? D) Historical