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URI Anatomy Quiz 5

URI Anatomy Quiz 5 Thoracic Contents

The thymus gland is found in the superior mediastinum and in the _____. anterior mediastinum
The _____ are responsible for supplying blood to and drainage of blood from the anterior thoracic wall. internal mammary (thoracic) arteries and veins
The microscopic tubules that lead to the alveolar ducts are the _____. This is where the cartilaginous rings disappear. bronchioles
The functional importance of the _____ is to lubricate the thoracic organs, dissipate heat, and create surface tension that helps hold the lungs against the thoracic wall. pleural fluid
The _____ is the functional unit of the lung. alveolus
The "C" shaped rings of the respiratory passages are composed of _____. connective tissue
The material that connects the cartilaginous rings of the trachea is primarily _____. hyaline cartilage
The origin of the left crus is ____. lumbar vertebrae 1 and 2
The left dome of the diaphragm is found at the level of _____ at midinhalation. inferior edge, rib 5, midclavicular left
The superior end of the _____ is at the level of cervical vertebra 6 body. This tube bifurcates to form the primary bronchi. trachea
During development three things happen to the heart. If one were to hold the apex of the heart they would tilt the apex to the left, tilt the apex forward, and the _____. axis rotated to left
The _____ is important in returning fluids from the tissues of the body, transport of lipids from the gastrointestinal tract, and as part of our immune system. lymphatic system
The majority of the pressure changes at rest that cause inspiration and expiration is due to the action of the _____. diaphragm
_____ is found in the pleural cavity. pleural fluid
In humans there are _____ (number) in the left lung. 2 lobes
The origin of the diaphragm on the bodies of vertebrae L1, L2, and L3 is the _____. right crus
The trachea is held open by _____. cartilaginous rings
The thoracic duct transports _____. lymph
The pleural recess at the midaxillary line is inferior to _____. the lungs
The roots of the lungs contain the pulmonary arteries, pulmonary veins and the _____. primary bronchi
_____ is/are found in the pulmonary cavity. the lungs
The passageway from the pharynx to the stomach is called the _____. esophagus
The specific name for the membrane lining the thoracic cavity is _____. parietal pleura