Intervertebral disc disease is common in which dog breed?
a. corgi c. bichon
b. great dane d. dalmation
A
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The femur extends from the knee to the foot
Indicate whether the statement is true or false
This small body cavity in the head holds the eyes
A) oral B) orbital C) nasal D) middle ear
Harry suffers from cystic fibrosis and has severe breathing difficulties. His problems result from
A) inability of the respiratory defense mechanism to transport mucus. B) uncontrollable laryngospasms. C) production of thick secretions that are difficult to transport. D) both the inability of the respiratory defense mechanism to transport mucus and the production of thick secretions that are difficult to transport. E) All of the answers are correct.
What is the best explanation for the observation that mitosis occurs in the deepest layers of the epidermis?
A. Cells are dead in the top layer of the skin. B. Protein granules accumulate in the cytoplasm of cells as they move up the layers. C. Mitosis requires oxygen and nutrients supplied by blood vessels. D. Cells undergo apoptosis in upper layers of the epidermis. E. The cells in the deepest layer of the epidermis are metabolically active.