Which of the these blood vessels is not a visceral branch of the thoracic aorta?
A) intercostal arteries
B) pericardial arteries
C) bronchial arteries
D) esophageal arteries
E) mediastinal arteries
A
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The Hering-Breuer reflex
A) functions to increase ventilation with changes in blood pressure. B) alters pulmonary ventilation when the PO2 changes. C) alters pulmonary ventilation when the PCO2 changes. D) protects the lungs from damage due to overinflation. E) is an important aspect of normal, quiet breathing.
Rami, trochanters, tubercles, and tuberosities are bone markings that serve as
A. articulating surfaces. B. passageways for nerves. C. attachments for ligaments or tendons. D. pits or depressions to hold cartilage. E. passageways for blood vessels.
Answer the following statements true (T) or false (F)
1. The endosteum is more interior (deep) than the periosteum. 2. Both bone and cartilage are examples of connective tissue. 3. The central canal of the osteon is also called the medullary cavity. 4. The terms osteon and Haversian system refer to the same structure. 5. Osteocytes can be found in the lacunae of the osteon.
The ______ helps form the cytoskeleton of the cell?
A. Mitochondria B. Microfilaments C. Vaults D. Nuclear Envelope