Antibodies given to individuals have come from all of the following EXCEPT
A. monoclonal antibodies.
B. recovered donors.
C. individuals never exposed to the disease.
D. genetically engineered bacteria.
Answer: C
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Cerebrospinal fluid is returned to the blood by:
a. the dural sinus b. arachnoid granulations (villi) c. the choroid plexus d. the hypothalamus
Name the bone or bones of the forearm
A) tibia and fibula B) humerus C) femur D) radius and ulna
The posterior root of a spinal nerve contains
A) axons of motor neurons. B) axons of sensory neurons. C) cell bodies of motor neurons. D) cell bodies of sensory neurons. E) interneurons.
This figure shows the muscles of facial expression. What muscle does number 7 indicate?
A. Mentalis B. Levator labii superioris C. Risorius D. Sternocleidomastoid E. Depressor labii inferioris