The thoracic cavity is situated superior to the abdominopelvic cavity and separated by the diaphragm. Therefore, the diaphragm creates a:
A) parasagittal plane. B) transverse (horizontal) plane, or cross section.
C) midsagittal (median) plane. D) frontal (coronal) plane.
Answer: B
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The ________ is composed of an endothelium and a subendothelial layer made up of a thin layer of areolar connective tissue.
A. tunica externa B. tunica adventitia C. tunica media D. tunica intima E. None of the answers is correct.
Classify a vertebra with the following characteristics:(1) Superior articular processes face posteriorly(2) Circular vertebral foramen(3) Long spinous processes
A. Coccygeal B. Thoracic C. Sacral D. Lumbar E. Cervical
The hair cells of the utricle and saccule are clustered in
A) ampullae. B) cristae. C) cupulae. D) maculae. E) otoconia.
At temperatures above 40 °C (104 °F) in the human body,
A. enzymatic reactions with substrates are more quickly catalyzed. B. enzymes denature and reaction rates decrease. C. protein flexibility is optimum and reaction rates increase. D. protein shape is rigid and reaction rates are constant.