In these views of the trachea, what structure does number 1 indicate?
A. Carina
B. Anular ligament
C. Goblet cell
D. Pseudostratified ciliated columnar epithelium
E. Trachealis muscle
Answer: E
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Chondroblasts ________
A) remain in compact bone even after the epiphyseal plate closes B) within the cartilage divide and secrete new matrix C) never lose their ability to divide D) are mature cartilage cells located in spaces called lacunae
The chemoreceptors in the carotid and aortic bodies are most sensitive to changes in
blood concentration of A) oxygen. B) bicarbonate ions. C) carbon dioxide. D) hydrogen ions.
What internal body temperature is considered the upper limit compatible with life?
a. 104°F b. 106°F c. 108°F d. 110°F e. 112°F
The coxal joint is a ball-and-socket joint, in which the head of the humerus articulates with the glenoid cavity of the scapula.
Answer the following statement true (T) or false (F)