Which of the following properties pertains to the aorta?
a. radius cannot be changed.
b. wall contain a thick layer of smooth muscle.
c. responsible for the distribution of blood flow to the various organs.
d. the major vessel that contribute to total peripheral resistance.
e. richly innervated by sympathetic nerve fibers.
A
You might also like to view...
Which of the following molecules crosses the luminal membrane of intestinal cells by facilitated diffusion?
A. Maltose B. Galactose C. Lactose D. Glucose E. Fructose
The zygomatic process of the temporal bone and the ________ process of the zygomatic bone form the zygomatic arch.
A. frontal B. zygomatic C. temporal D. maxillary E. mastoid
An important pulse point in the neck on the lateral sides of the trachea is the
A) internal carotid artery. B) external carotid artery. C) common carotid artery. D) internal jugular vein. E) external jugular vein.
Which of the following taste sensations is incorrectly matched to the chemicals that produce it?
A) salty-metal ions B) sweet-organic substances such as sugar and some lead salts C) umami-triglycerides and fatty acids D) bitter-alkaloids E) sour-acids