Tumors are most likely inactivated by _____ cells.
A) B
B) helper T
C) cytotoxic T
D) suppressor T
Ans: C) cytotoxic T
Cytotoxic T cells or killer T cells are stimulated by the antigen to attack and render non-viable the host cell the antigen is in, such as an abnormal protein from a tumor.
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Pyrogens act by increasing the set point for body temperature in the thalamus.
Answer the following statement true (T) or false (F)
If you examined an x-ray of a wrist and noticed the epiphyseal lines were closed, what could you conclude about this individual?
A. The person has not yet reached puberty.
B. The person is post-pubescent.
C. The blood supply has been cut off from the epiphyses.
D. Intramembranous ossification closed the epiphyseal lines.
What type of cell division does the zygote perform?
A. Meiosis I B. The zygote does not divide. C. Mitosis D. Meiosis
________________ are poultry with small, round bodies and make a "bobwhite" whistle sound
Fill in the blank(s) with correct word