Which statement(s) about the functions of the paranasal sinuses is/are not true?
A) They provide an extensive area of mucous epithelium.
B) They make skull bones lighter.
C) The mucus they secrete enters the oral cavities.
D) They support cilia that move the mucus.
E) They are located in the sphenoid, ethmoid, frontal, palatine and maxillae.
C
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The function of the nucleolus is to make
A. the subunits of ribosomes. B. the secretions that will be packaged by the Golgi apparatus. C. histones. D. DNA molecules. E. the deoxyribose sugar.
Arteries are most accurately defined as blood vessels that ________.
A. Carry blood away from the heart B. Carry blood toward the heart C. Carry highly oxygenated blood D. Carry deoxygenated blood
Which of the following is not caused by hypernatremia?
A. Hypertension B. Edema C. Interstitial fluid accumulation D. Water retention E. A reduction in plasma volume
Fill in the missing blood vessel. ext. jugular vein; _____________; superior vena cava
Fill in the blank(s) with the appropriate word(s).