The ______________ is the part of the descending aorta that extends from the diaphragm to the common iliac arteries.
A. ascending aorta
B. aortic arch
C. thoracic aorta
D. abdominal aorta
Ans: D. abdominal aorta
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Terminal bronchioles of the lower respiratory system are lined with
A. keratinized stratified squamous epithelium. B. simple cuboidal epithelium. C. pseudostratified ciliated columnar epithelium. D. stratified columnar epithelium. E. nonkeratinized stratified squamous.
Which of the following best describes the qualities of most antigens?
A) macromolecules that are produced by the host organism B) atomic elements that are not normally present in the human body C) macromolecules that are foreign to the host D) atomic elements that are harmful or toxic
Which of the following is not considered to be a main part of a generalized, human cell?
A)Extracellular matrix B)Plasma membrane C)Cytoplasm D)Nucleus
What statement best describes dense regular collagenous connective tissue?
A) Dense regular collagenous connective tissue forms tendons and ligaments. B) Dense regular collagenous connective tissue contains parallel bundles of elastic fibers. C) Dense regular collagenous connective tissue is found in the dermis of the skin. D) Dense regular collagenous connective tissue contains bundles of collagen fibers arranged haphazardly.