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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 (B)
Accessory muscles of inspiration are active during normal breathing.
Accessory muscles of inspiration are active during normal breathing.
False (B)
The rectus abdomini muscle is an accessory muscle of inspiration.
The rectus abdomini muscle is an accessory muscle of inspiration.
False (B)
Abdominal distention with fluid can affect diaphragm function.
Abdominal distention with fluid can affect diaphragm function.
The trapezius muscle is not involved in ventilation.
The trapezius muscle is not involved in ventilation.
Diaphragmatic paralysis results in loss of partial nervous control of respiratory muscles.
Diaphragmatic paralysis results in loss of partial nervous control of respiratory muscles.
The external intercostal muscle is an accessory muscle of expiration.
The external intercostal muscle is an accessory muscle of expiration.
Abdominal wall muscle tensioning can affect diaphragm function.
Abdominal wall muscle tensioning can affect diaphragm function.
The internal abdominis obliques muscle is not involved in ventilation.
The internal abdominis obliques muscle is not involved in ventilation.
The sternocleidomastoid muscle is not involved in ventilation.
The sternocleidomastoid muscle is not involved in ventilation.
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.
The upper airways include the trachea and lower airways.
The upper airways include the trachea and lower airways.
The nasal cavity contains olfactory cells providing sense of hearing.
The nasal cavity contains olfactory cells providing sense of hearing.
The function of sinuses is to produce mucus.
The function of sinuses is to produce mucus.
The pharynx is part of the lower respiratory tract.
The pharynx is part of the lower respiratory tract.
The trachea extends to the level of the 10th thoracic vertebrae.
The trachea extends to the level of the 10th thoracic vertebrae.
The right bronchus branches at a 40-60 degree angle.
The right bronchus branches at a 40-60 degree angle.
The trachea is supported by 10-15 C-shaped cartilage.
The trachea is supported by 10-15 C-shaped cartilage.
The lobar bronchi are the third generation of bronchi.
The lobar bronchi are the third generation of bronchi.
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.
What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
Which of the following is NOT a function of the upper airways?
Which of the following is NOT a function of the upper airways?
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?
Which of the following is a function of the sinuses?
Which of the following is a function of the sinuses?
What is the passageway for gas flow in the respiratory system?
What is the passageway for gas flow in the respiratory system?
What is the primary function of the palatine tonsils?
What is the primary function of the palatine tonsils?
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?
What is the purpose of the adenoids in the nasopharynx?
What is the purpose of the adenoids in the nasopharynx?
What is the name of the space between the vocal cords?
What is the name of the space between the vocal cords?
What is the anatomic location where the respiratory and digestive tracts divide?
What is the anatomic location where the respiratory and digestive tracts divide?
What is the primary function of Type II alveolar cells?
What is the primary function of Type II alveolar cells?
What is the composition of the interstitium?
What is the composition of the interstitium?
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?
What is the function of the pores of Kohn?
What is the function of the pores of Kohn?
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?
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?
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?
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?
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?
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?
What is the primary function of the intrapleural space?
What is the primary function of the intrapleural space?
What is the significance of the sternal angle?
What is the significance of the sternal angle?
What is the primary action of rib pairs 2-7 during inspiration?
What is the primary action of rib pairs 2-7 during inspiration?
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?
What is the origin of the phrenic nerves that innervate the diaphragm?
What is the origin of the phrenic nerves that innervate the diaphragm?
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?
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?
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?
How many lobes does the right lung have?
How many lobes does the right lung have?
What is the main component of the thoracic wall?
What is the main component of the thoracic wall?
What is the function of the mediastinum?
What is the function of the mediastinum?
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?
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?
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?
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?
