Podcast
Questions and Answers
Diaphragmatic paralysis can occur due to spinal cord injuries at or above the level of the fifth cervical vertebrae.
Diaphragmatic paralysis can occur due to spinal cord injuries at or above the level of the fifth cervical vertebrae.
False
Accessory muscles of inspiration are active during normal breathing.
Accessory muscles of inspiration are active during normal breathing.
False
The rectus abdomini muscle is an accessory muscle of inspiration.
The rectus abdomini muscle is an accessory muscle of inspiration.
False
Abdominal distention with fluid can affect diaphragm function.
Abdominal distention with fluid can affect diaphragm function.
Signup and view all the answers
The trapezius muscle is not involved in ventilation.
The trapezius muscle is not involved in ventilation.
Signup and view all the answers
Diaphragmatic paralysis results in loss of partial nervous control of respiratory muscles.
Diaphragmatic paralysis results in loss of partial nervous control of respiratory muscles.
Signup and view all the answers
The external intercostal muscle is an accessory muscle of expiration.
The external intercostal muscle is an accessory muscle of expiration.
Signup and view all the answers
Abdominal wall muscle tensioning can affect diaphragm function.
Abdominal wall muscle tensioning can affect diaphragm function.
Signup and view all the answers
The internal abdominis obliques muscle is not involved in ventilation.
The internal abdominis obliques muscle is not involved in ventilation.
Signup and view all the answers
The sternocleidomastoid muscle is not involved in ventilation.
The sternocleidomastoid muscle is not involved in ventilation.
Signup and view all the answers
The primary function of the respiratory system is to absorb CO2 and excrete O2.
The primary function of the respiratory system is to absorb CO2 and excrete O2.
Signup and view all the answers
The upper airways include the trachea and lower airways.
The upper airways include the trachea and lower airways.
Signup and view all the answers
The nasal cavity contains olfactory cells providing sense of hearing.
The nasal cavity contains olfactory cells providing sense of hearing.
Signup and view all the answers
The function of sinuses is to produce mucus.
The function of sinuses is to produce mucus.
Signup and view all the answers
The pharynx is part of the lower respiratory tract.
The pharynx is part of the lower respiratory tract.
Signup and view all the answers
The trachea extends to the level of the 10th thoracic vertebrae.
The trachea extends to the level of the 10th thoracic vertebrae.
Signup and view all the answers
The right bronchus branches at a 40-60 degree angle.
The right bronchus branches at a 40-60 degree angle.
Signup and view all the answers
The trachea is supported by 10-15 C-shaped cartilage.
The trachea is supported by 10-15 C-shaped cartilage.
Signup and view all the answers
The lobar bronchi are the third generation of bronchi.
The lobar bronchi are the third generation of bronchi.
Signup and view all the answers
The bronchi continue to branch until they reach a diameter of about 5-mm.
The bronchi continue to branch until they reach a diameter of about 5-mm.
Signup and view all the answers
What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
Signup and view all the answers
Which of the following is NOT a function of the upper airways?
Which of the following is NOT a function of the upper airways?
Signup and view all the answers
What is the primary function of the concha or turbinates in the nasal cavity?
What is the primary function of the concha or turbinates in the nasal cavity?
Signup and view all the answers
Which of the following is a function of the sinuses?
Which of the following is a function of the sinuses?
Signup and view all the answers
What is the passageway for gas flow in the respiratory system?
What is the passageway for gas flow in the respiratory system?
Signup and view all the answers
What is the primary function of the palatine tonsils?
What is the primary function of the palatine tonsils?
Signup and view all the answers
Which part of the pharynx extends from the uvula to the tip of the epiglottis?
Which part of the pharynx extends from the uvula to the tip of the epiglottis?
Signup and view all the answers
What is the purpose of the adenoids in the nasopharynx?
What is the purpose of the adenoids in the nasopharynx?
Signup and view all the answers
What is the name of the space between the vocal cords?
What is the name of the space between the vocal cords?
Signup and view all the answers
What is the anatomic location where the respiratory and digestive tracts divide?
What is the anatomic location where the respiratory and digestive tracts divide?
Signup and view all the answers
What is the primary function of Type II alveolar cells?
What is the primary function of Type II alveolar cells?
Signup and view all the answers
What is the composition of the interstitium?
What is the composition of the interstitium?
Signup and view all the answers
What percentage of the alveolar surface is composed of Type I alveolar cells?
What percentage of the alveolar surface is composed of Type I alveolar cells?
Signup and view all the answers
What is the function of the pores of Kohn?
What is the function of the pores of Kohn?
Signup and view all the answers
What type of cells are responsible for removing bacteria and foreign particles from the acini?
What type of cells are responsible for removing bacteria and foreign particles from the acini?
Signup and view all the answers
What is the primary purpose of the conducting airways in the lower respiratory tract?
What is the primary purpose of the conducting airways in the lower respiratory tract?
Signup and view all the answers
What is the name of the inner layer of the airway wall that forms a mucous membrane?
What is the name of the inner layer of the airway wall that forms a mucous membrane?
Signup and view all the answers
Which of the following is a characteristic of the epithelial cells in the conducting airways?
Which of the following is a characteristic of the epithelial cells in the conducting airways?
Signup and view all the answers
What is the term for the relative positions of the oral cavity, pharynx, and larynx in an unconscious patient?
What is the term for the relative positions of the oral cavity, pharynx, and larynx in an unconscious patient?
Signup and view all the answers
What is the name of the outer layer of the airway wall that is composed of connective tissue?
What is the name of the outer layer of the airway wall that is composed of connective tissue?
Signup and view all the answers
What is the primary function of the intrapleural space?
What is the primary function of the intrapleural space?
Signup and view all the answers
What is the significance of the sternal angle?
What is the significance of the sternal angle?
Signup and view all the answers
What is the primary action of rib pairs 2-7 during inspiration?
What is the primary action of rib pairs 2-7 during inspiration?
Signup and view all the answers
What is the percentage of work performed by the diaphragm during resting breathing?
What is the percentage of work performed by the diaphragm during resting breathing?
Signup and view all the answers
What is the origin of the phrenic nerves that innervate the diaphragm?
What is the origin of the phrenic nerves that innervate the diaphragm?
Signup and view all the answers
What is the primary function of the lymphatic system in relation to the lungs?
What is the primary function of the lymphatic system in relation to the lungs?
Signup and view all the answers
Which part of the nervous system regulates involuntary vital functions of the lungs?
Which part of the nervous system regulates involuntary vital functions of the lungs?
Signup and view all the answers
What is the name of the membranes that line the thorax and envelop the lungs?
What is the name of the membranes that line the thorax and envelop the lungs?
Signup and view all the answers
How many lobes does the right lung have?
How many lobes does the right lung have?
Signup and view all the answers
What is the main component of the thoracic wall?
What is the main component of the thoracic wall?
Signup and view all the answers
What is the function of the mediastinum?
What is the function of the mediastinum?
Signup and view all the answers
What is the name of the fissure that separates the upper and middle lobes of the right lung?
What is the name of the fissure that separates the upper and middle lobes of the right lung?
Signup and view all the answers
What is the primary function of the thymus gland in relation to the immune system?
What is the primary function of the thymus gland in relation to the immune system?
Signup and view all the answers
What is the main characteristic of the lungs that allows them to expand and recoil?
What is the main characteristic of the lungs that allows them to expand and recoil?
Signup and view all the answers
What is the significance of the apices of the lungs extending 1 to 2 cm above the clavicles?
What is the significance of the apices of the lungs extending 1 to 2 cm above the clavicles?
Signup and view all the answers