Which of the following statements is true regarding the functions of the skeletal system?
A. Muscles are not attached to bones; they are responsible for movement.
B. The rib cage protects the intestines.
C. The vertebral column protects the spinal cord.
D. The bones of the ribs, wrists, and ankles hold up the body.
E. Tendons support and hold bones together.
Answer: C
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What does it mean when a tumor is metastatic?
A) Its cells originate from glandular tissue. B) Its cells originate from connective tissue. C) Its cells originate from epithelium. D) Its growth is extremely rapid. E) Cells have left the primary tumor site and established secondary tumor sites elsewhere in the body.
What is the name of a non-metabolic disease of the bone, characterized by excessive bone destruction and unorganized bone formation by the osteoblasts,; characterized by a mosaic pattern in the bone that can be detected byon Xx-ray?
A) Parkinson's disease B) Paget's disease C) purpura
Without treatment, it typically takes about how long for an HIV infection to manifest as AIDS?
A) Up to 12 months B) 1 to 3 years C) 4 to 6 years D) 8 to 10 years
The superior vena cava is:
A. an enlarged, dilated vein toward the surface of the skin. B. the lower portion of each side of the heart. C. a large-diameter vein that gathers blood from the lower portion of the body and returns it to the heart. D. a large-diameter vein that gathers blood from the upper portion of the body and returns it to the heart. E. the main artery leaving the heart and distributing oxygenated blood throughout the body.