Interferons ________.
A) are virus-specific, so that an interferon produced against one virus could not protect cells against another virus
B) act by increasing the rate of cell division
C) interfere with viral replication within cells
D) are routinely used in nasal sprays for the common cold
C) interfere with viral replication within cells
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The green pigment resulting from the breakdown of hemoglobin is converted into a yellow substance called _____ which is secreted by the liver as a digestive juice called bile.
A) biliverdin B) transferrin C) bilirubin D) erythopoietin
Which area does not contain MALT?
A. Urinary tract B. Respiratory tract C. Genital tract D. Gastrointestinal tract E. No exceptions; all choices contain MALT
The ____________________ is an accessory organ of digestion consisting of skeletal muscles that lie in many different planes.?
Fill in the blank(s) with correct word
Identify the largest artery in the body
A) vena cava B) aorta C) carotid D) brachiocephalic E) iliac