_____________-is an example of an inflammatory mediator that stimulateschemotaxis.a. Endotoxin b. Serotonin c. A fibrin clot d. Interleukin-2

The single most important risk for skin cancer is a.genetics b.overexposure to UV radiation c.race d.use of farm chemicals

Helper T cells produce _____________ t a. Enzymes b. Cytokines c. Antibodies d. Antigens

A tick has embedded itself in the scalp of a young boy. His mother is most likely to find which lymph nodes to be swollen? a. cervical b. inguinal c. axillary d. femoral

Compare and contrast host mechanisms that restrict virus infection by specifically interacting with viral gene products of SARS-COV-2 and Influenza Type A Virus.

B cells proliferate and differentiate into plasma cells and memory cells in the ______________ of secondary lymphoid organs. a.germinal center b.bone marrow c.lymphy d..cortex e.medulla

During which stage of life is the thymus most active? A. Pregnancy B. Adolescence . C. Infancy O D. Reproduction

The skeletal system is made of ______________. Choose one answer.   a. muscle and tendons     b. vitreous humor     c. minerals and fat     d. bones and cartilage

Which of the following patients would best be treated by a rheumatologist? A    Sophie has Sjogren's syndrome, a disease in which the immune system attacks the moisture-producing cells in her body. B    Last week, Sergei had a severe allergic reaction to a bee sting. C    Renada just learned she contracted HIV from a blood transfusion. D    Alejandro wants a second opinion of his treatment options after he was diagnosed with lymphoma.

The primary blast cell for connective tissue proper is the _______ a.hemocytoblast b.chondroblast c.fibroblast d.osteoblast