Substance P is unique to pain fibers and activates ascending pathways that transmit nociceptive signals to higher levels for further processing
a. True
b. False
Indicate whether the statement is true or false
True
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Histamine is secreted by cells called __________.
Fill in the blank(s) with the appropriate word(s).
Which of the following are NOT antigen-presenting cells (APCs)?
A) macrophages B) dendritic cells C) monocytes D) lymphocytes E) neutrophils
After childbirth, a woman begins experiencing tremendous pain in her groin, making it difficult for her to walk. An X-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis. As a result of the fracture, which group of muscles might be impaired?
A. Hip flexors B. Thigh abductors C. Hip extensors D. Lateral rotators E. Thigh adductors
A newborn baby typically has about __________ bones whereas a typical adult has __________ bones.
A. 270; 206 B. 254; 206 C. 228; 206 D. 206; 228 E. 206; 254