Macy's chemotherapy has left her so anemic and prone to infections that treatment must be temporarily halted. What type of drug might Macy be prescribed to help her body produce bone marrow stem cells that divide and develop into red and white blood cells, and platelets?
a. Signal transduction inhibitor
b. Colony-stimulating factor
c. Vaccine
d. Monoclonal antibody
b. Colony-stimulating factor
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Several types of T cells have been shown to be able to provide help for B cells during activation. Which of the following statements is TRUE?
A. All produce the same chemokine to activate but provide different CD40 signals. B. All produce the same chemokine, and the same CD40 signal as well. C. All provide CD40 signaling but produce different chemokines. D. All provide CD40 signaling but trigger distinct class switching. E. Both C and D.
Among the following, the most practical and valid technique to estimate body fat is
a. skinfold thickness. b. body mass index. c. girth measurements. d. waist-to-hip ratio.
Normal range of motion for an ankle is 10 degrees of dorsiflexion and 50 degrees of plantar flexion.
Answer the following statement true (T) or false (F)
Diseases such as syphilis, gonorrhea, chlamydia, and genital warts are examples of a classification of diseases that are abbreviated as ________.
Fill in the blank(s) with the appropriate word(s).