A "benign tumor" refers to
A) any of various malignant neoplasms.
B) neoplasms that have the tendency to metastasize to new sites.
C) an illness characterized by malignant cells.
D) abnormal cells remaining in one place.
E) nonviable cells and/or tissue.
D) abnormal cells remaining in one place.
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All of the following transport certain substances from regions of high concentration to low concentration except
a. carriers b. facilitated diffusion c. SGLT d. GLUT e. Ca2+ pump
T helper cells possess a glycoprotein called CD4. This molecule binds to
A. MHC class I molecules. B. MHC class II molecules. C. MHC-CD8 antigens. D. MHC-CD28 antigens. E. Interleukin-1 receptor.
Collateral circulation between the subclavian and external iliac arteries is created by an anastomosis between which of the following structures?
A. Epigastric arteries B. Lumbar arteries C. Posterior intercostal arteries D. Round ligament of the liver E. Superficial epigastric arteries
When the term biceps, triceps, or quadriceps forms part of a muscle's name, what does it tell you about the muscle?
A) The muscle is able to change direction twice, three times, or four times faster than other muscles, respectively. B) The muscle has two, three, or four functions, respectively. C) The muscle has two, three, or four insertions, respectively. D) The muscle has two, three, or four origins, respectively.