The part of a tooth that contains blood vessels and nerves is the
A) enamel.
B) cement.
C) dentin.
D) pulp cavity.
E) periodontium.
D
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The duplicated chromosome that appears during prophase consists of two genetically identical structures called sister ________.
Fill in the blank(s) with the appropriate word(s).
Inhaled air is humidified and warmed by the
A. pharynx and the paranasal sinuses. B. tonsils and the paranasal sinuses. C. nasal cavity and the paranasal sinuses. D. nasal cavity and the pharynx. E. nasal cavity and the larynx.
Which of the following drugs might be prescribed to alleviate hypertension?
A. Beta-adrenergic receptor antagonists B. Alpha-adrenergic receptor agonists C. Cholinergic antagonist D. A drug that increases L-type Ca2+ channel currents E. A drug that increases T-type Ca2+ channel currents
Lymphatic tissue associated with body passages that are open to the exterior are called MALT for ________ associated lymphatic tissue.
Fill in the blank(s) with the appropriate word(s).