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Questions and Answers
Which muscle is NOT innervated by the recurrent laryngeal nerve?
Which muscle is NOT innervated by the recurrent laryngeal nerve?
What is the term for accumulation of blood in the pleural cavity?
What is the term for accumulation of blood in the pleural cavity?
Which nerve supplies the costal pleura?
Which nerve supplies the costal pleura?
What is the origin of the respiratory system embryologically?
What is the origin of the respiratory system embryologically?
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Which artery gives rise to the musculophrenic artery?
Which artery gives rise to the musculophrenic artery?
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Which of the following muscles is supplied by the recurrent laryngeal nerve?
Which of the following muscles is supplied by the recurrent laryngeal nerve?
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The auditory tube opens directly into which of the following?
The auditory tube opens directly into which of the following?
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The upper six pairs of anterior intercostal arteries arise from which of the following arteries?
The upper six pairs of anterior intercostal arteries arise from which of the following arteries?
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The posterior ethmoidal air sinus opens into which of the following?
The posterior ethmoidal air sinus opens into which of the following?
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Which of the following air sinuses open into hiatus semilunaris?
Which of the following air sinuses open into hiatus semilunaris?
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The nasolacrimal duct opens into which of the following areas?
The nasolacrimal duct opens into which of the following areas?
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Cricothyroid muscle is supplied by which of the following nerves?
Cricothyroid muscle is supplied by which of the following nerves?
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Trachial carina lies at which of the following levels?
Trachial carina lies at which of the following levels?
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Which muscle of the larynx is responsible for abduction of vocal cords?
Which muscle of the larynx is responsible for abduction of vocal cords?
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The cardiac impression in the left lung is related to which of the following structures?
The cardiac impression in the left lung is related to which of the following structures?
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Which of the following vessels supplies the lungs themselves with non-oxygenated blood?
Which of the following vessels supplies the lungs themselves with non-oxygenated blood?
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Study Notes
Respiratory System Anatomy
Air Sinuses and Meatus
- Posterior ethmoidal air sinus opens into the superior meatus.
- Hiatus semilunaris receives openings from the middle meatus.
Nasal Cavity and Ducts
- Nasolacrimal duct opens into the inferior meatus.
- Tubal elevation is a feature of the nasopharynx.
Laryngeal Muscles and Nerve Supply
- Cricothyroid muscle is supplied by the external laryngeal nerve.
- Posterior cricoarytenoid muscle is responsible for abduction of vocal cords.
- Lateral cricoarytenoid muscle is responsible for narrowing the rima glottidis.
- All intrinsic muscles of the larynx are innervated by the recurrent laryngeal nerve, except for the cricothyroid muscle.
Thoracic Anatomy
- Trachial carina lies at the level of the lower border of the 4th thoracic vertebra.
- Cardiac impression in the left lung is related to the left ventricle.
Blood Supply to Lungs
- Pulmonary artery supplies the lungs with non-oxygenated blood.
- Bronchial artery supplies oxygenated blood to the lungs.
Pleural Cavity and Nerve Supply
- Costal pleura is supplied by the intercostal nerves.
- Hemothorax refers to the accumulation of blood in the pleural cavity.
Embryology and Development
- Respiratory system is derived embryologically from the endoderm of the foregut.
Miscellaneous
- Quadrangular membrane forms the vestibular ligament.
- Auditory tube opens directly into the nasopharynx.
- Upper six pairs of anterior intercostal arteries arise from the internal thoracic artery.
- Musculophrenic artery is a branch of the internal thoracic artery.
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Description
Multiple-choice questions on human anatomy, focusing on the respiratory system and air sinuses.
