Nerves that serve the arm come from the ________ plexus.
A. cervical
B. brachial
C. sacral
D. lumbar
Answer: B
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Answer the following statements true (T) or false (F)
1. The periosteum is a tissue that serves only to protect the bone because it is not supplied with nerves or blood vessels. 2. Short, irregular, and flat bones have large marrow cavities in order to keep the weight of the bones light. 3. The structural unit of compact bone (osteon) resembles the growth rings of a tree trunk. 4. The term osteoid refers to the organic part of the matrix of compact bones. 5. Sixty-five percent of the mass of bone is a compound called hydroxyapatite.
Signs of menopause include
A) shrinking of the vagina, uterus, and breasts. B) increased bone matrix. C) increased concentrations of estrogens. D) inexplicable euphoria, extra energy, weight loss.
Which of the following is an environmental factor that can lead to disease?
a. Chemical exposure b. Chromosomal duplication c. Emotional stability d. Immunologic response
The maintenance of normal volume and composition of extracellular and intracellular fluids is vital to life. List and briefly describe the kinds of homeostasis involved
What will be an ideal response?