Morris has lung cancer and is given the drug Avastin. His doctor says that the drug is a monoclonal antibody. This means that the drug consists of
A. a cocktail of many types of antigens.
B. a single type of antibody.
C. a single type of antigen.
D. a cocktail of many types of antibodies.
Answer: B
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A muscle end attached to a less movable or relatively fixed part is called the
A. insertion. B. origin. C. symphysis. D. articulation.
Water striders are insects that literally walk on water. These insects are frequently found living on ponds. If hydrogen bonds did not exist, how would this affect the life of water striders?
What will be an ideal response?
Regarding thermoregulation, the __________ serves as a thermostat, receiving nerve signals about body temperature and sending nerve signals to the structures that can respond.
hypothalamus spinal cord brainstem thalamus
What site is commonly used to feel a pulse?
a. aorta in the chest b. radial artery on the wrist c. internal jugular vein in the neck d. subclavian artery in the neck