The ribs articulate with the
A) cervical vertebrae.
B) thoracic vertebrae.
C) lumbar vertebrae.
D) sacrum.
E) hyoid bone.
B
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Johnny fractured the lower third of his right tibia in a skiing accident. The soft tissues in the area were severely damaged and their surgical removal was necessary. After prolonged immobilization, it was found that Johnny was healing very poorly
The explanation offered by the orthopedic surgeon was that vascularization of the fracture site was still inadequate and good healing was absolutely dependent upon an adequate blood supply. Describe how a long bone receives its blood supply and trace the path of nutrient delivery to the osteocytes. What will be an ideal response
The most abundant agranulocyte is the
a. basophil. b. eosinophil. c. lymphocyte. d. monocyte. e. neutrophil.
Which of the following is not a function of the integument?
a.acts as a physical barrier b.stores calcium in the dermis c.regulates temperature through vasoconstriction and vasodilation of dermal blood vessels d.participates in immune defense
In the nucleus, DNA is wrapped with proteins. This complex is called
A. chromatin. B. DNA particles. C. nucleoli. D. a DNA wrap. E. cytoplasmic organelles.