A laboratory in which Ebola virus is studied would be classified as a BSL-________ laboratory
A) 1
B) 2
C) 3
D) 4
Answer: D
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Life is thought to have evolved from complex molecules formed by the interaction of smaller molecules in oceans and the atmosphere. The substance which brought these molecules together to interact is
A. buffers. B. acids. C. water. D. salts. E. hydrogen.
Which of the following is the ability of an ecosystem to remain in equilibrium despite disturbances?
a. resilience b. restoration c. resistance d. equidistance
What is one difference between the erythrocytes of mammals and other vertebrates?
a. Mammal erythrocytes lack nuclei. b. Mammal erythrocytes respond to changes in water concentration. c. Mammal erythrocytes are oval with swollen centers. d. Other vertebrates do not have erythrocytes. e. Other vertebrates use a respiratory pigment other than hemoglobin.
What is the most definitive test for organisms in a lesion or wound?
a. Skin testing b. Serologic c. Culture d. Culture and sensitivity