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Terms in this set (104)

10. What is the neural control of lungs?
Balance or tone of the bronchial and arteriolar smooth muscle of the lungs is controlled by the ANS. (Involuntary functions)

111. What is the sympathetic nervous system?
Cause the heart rate to increase and increases strength in contraction.

112. What are alpha cells?
Alpha receptors of the smooth muscles of the arterioles causing the pulmonary vascular system to constrict. The parasympathetic nervous system is activated causing the constriction of the bronchial smooth muscle.

113. What are beta receptors?
It is called propranolol. If the patient receives a parasympathetic and it causes the bronchial relation occurs.

114. What is the description of the right lung?
Larger and heavier than the left. It is divided into upper, middle, and lower lobes by oblique and horizontal fissures.

115. What is the description of the left lung?
Divided into upper and lower lobs separated by the oblique fissure which extends from the costal to the mediastinal borders of the lung.

116. To what extent do the apices rise relative to the thorax?
The apices rise to about the level of the first rib.

117. How does the horizontal fissure extend?
Horizontally from the oblique fissure to about the level of the 4th costal cartilage and separate the middle from the upper lobe.

118. What of the following line the anterior one- third of the nasal cavity?
Stratified squamous epithelium.

119. What forms the nasal septum?
Ethmoid bone and vomer.

120. What prevents aspiration of foods and liquids?
Epiglottis.

121. Where are the canals of lambert found?
Terminal bronchioles.

122. Where are the pharyngotympanic (auditory) tubes found?
Nasopharynx.

123. What is the inferior portion of the larynx composed of?
Cricoid cartilage.

124. What has the greatest combined cross-sectional area?
The terminal bronchioles.

125. What degrees do the left main stem bronchus angles off from the carina?
40-60 degrees from the carina.

126. What cells does ninety- five percent of the alveolar surfaces composed of?
Type 1 and squamous pneumocytes.

127. What are released when the parasympathetic nerve fibers are stimulated?
Acetycholine.

128. What is released when the sympathetic nerve fibers are stimulated?
Norepinephrine and epinephrine.

129. Pseudostratified ciliated columnar epithelium lines what?
Trachea and nasopharynx.

130. What are accessory muscles of inspiration?
Trapezius and scalene muscles.

131. What does the horizontal fissure separate?
Middle and upper lobes of the right lung.

132. What supplies motor innervation of each hemidiaphragm?
Phrenic and glossopharyngeal nerve (9th cranial nerve).

133. What structure of the tracheobronchial tree does the cartilage found?
Respiratory bronchioles

134. The bronchial arteries nourish the tracheobronchial tree down to and including what?
Terminal bronchioles.

135. What elevates the soft palate?
The levator veli palatine mu