Answer to Question 1
D
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If a portion of food accidentally becomes lodged in the larynx, coughing can usually dislodge it. The trachea and esophagus are both located in the pharynx. The epiglottis is a protective flap that covers the trachea during swallowing to prevent foreign matter from entering the respiratory system.
Answer to Question 2
C
Feedback:
Currently, the Hispanic community is the fastest-growing demographic group and major factor in the United States. The Asian/Pacific Islander group is also expanding rapidly, with a 95 growth rate expected in the early 21st century. Other contributing factors include expanding birth rates among specific ethnic groups; immigrants from many countries are entering the United States in large numbers. Migrations of populations worldwide are influencing demographic, cultural, and economics in many countries.