322.When performing a cardiac catheterization of the right heart cham-
bers you need to remember that the carotid sheath contains which of the
following?
a. Internal carotid artery (lateral), internal jugular vein (medial), and sympathetic
chain
b. Internal carotid artery (medial), external jugular vein (lateral), and sympathetic
chain
c. Internal carotid artery (medial), external jugular vein (lateral), and phrenic nerve
d. Internal carotid artery (lateral), internal jugular vein (medial), and phrenic nerve
e. Internal carotid artery (medial), internal jugular vein (lateral), and the vagus nerve
323.You witness a choking incident in a restaurant. The Heimlich maneu-
ver is unsuccessful at removing the food from the pharynx. The victim is
having extreme difficulty breathing and starts to pass out. Where are you
most likely to produce an emergency airway?
a. In the midline just superior to the hyoid bone
b. In the midline just inferior to the hyoid bone
c. At the laryngeal notch
d. At the junction between the thyroid cartilage and cricoid cartilage
e. At tracheal ring 2 to 3 below the cricoid cartilage
Head and Neck 431