Which term describes removal of a tumor found in the breast?
A. Hysterectomy
B. Oophorectomy
C. Mastectomy
D. Lumpectomy
Answer: D
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Indicate whether the statement is true or false
Which bones articulate with the femur?
A. Os coxae, tibia, patella B. Tibia, fibula, patella, os coxae C. Os coxae, tibia, fibula D. Os coxae, fibia, tibula E. Scapula, radius, ulna
Which is a correct description of nucleic acids?
A. They are polymers of subunits containing glucose an an amino acids. B. They are polymers of subunits containing glucose, a phosphate group, and an amino acid. C. They are polymers of subunits containing a phosphate group, a sugar, and a purine or pyrimidine base. D. They are polymers of subunits containing a phosphate group, a sugar, and an amino acid. E. They are long polymers of amino acids, folded into an alpha helix.
NK cells secrete ________, which kills an abnormal cell by creating large pores in its plasma membrane.
A) histamine B) pus C) perforin D) heparin E) pyrogen