Examine the sequence of images below. These show a total hip replacement. Why is this arthroplastic procedure considered a total replacement, and not partial?
1 the head of the femur is completely replaced by a prosthesis
2 the acetabulum is replaced by an artificial acetabulum
3 part of the shaft of the femur is replaced
A: 1 only
B: 2 only
C: 3 only
D: both 1 and 2
E: both 1 and 3
B: 2 only
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The brain normally uses only ____________________ as a source of fuel for energy production, yet it does not store any of this nutrient
Fill in the blank(s) with correct word
The lymphocytes are most important in
A) helping maintain normal blood volume. B) transporting gases to and away from lymph nodes. C) eliminating variations in the composition of interstitial fluid. D) transporting lipids from the digestive tract. E) fighting infection.
The vertebral column contains ________ thoracic vertebrae
A) 4 B) 5 C) 7 D) 12 E) 31
In the following AP radiograph of the inferior thoracic and lumbosacral parts of the vertebral column, the arrow points to the:
A) spinous process of L3. B) spinous process of L4. C) spinous process of L5. D) median sacral crest. E) lamina of L5.