Info On Lungs

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1. Which two-layered serous membrane encloses each lung?

Explanation

The correct answer is Parietal Pleura and Visceral Pleura, as these are the two specific layers that enclose each lung. The incorrect answers are not relevant to the structure and function of the lungs' serous membrane.

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Info On Lungs - Quiz

2. The ______ & _______ pulmonary veins transport oxygenated blood from lungs to the heart.

Explanation

The correct answer is 'superior and inferior' because these are the actual names of the two sets of pulmonary veins that transport oxygenated blood from the lungs to the heart. The other options are incorrect as they do not accurately represent the anatomical names of the pulmonary veins.

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3. How is lymph drainage provided?

Explanation

Lymph drainage is not provided by the cardiovascular, nervous, or respiratory systems but instead by a superficial plexus and a deep plexus of lymph vessels within the lymphatic system.

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4. Which nerve innervates the lungs?

Explanation

The autonomic pulmonary plexus of nerves is responsible for innervating the lungs, while the phrenic nerve controls the diaphragm, the vagus nerve controls the heart, lungs, and digestive tract, and splanchnic nerves innervate the abdominal organs.

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5. What is the role of the parasympathetic nervous system originating from the vagus nerve?

Explanation

The parasympathetic nervous system, originating from the vagus nerve, constricts the bronchi to narrow the airway.

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6. How many bronchial arteries supply the right lung?

Explanation

The right lung is supplied by only one bronchial artery, while the left lung is typically supplied by two bronchial arteries. This is an important anatomical detail to note for understanding the vascular supply to the lungs.

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7. Which arteries arise from the aorta and supply oxygenated blood to the tissue (parenchyma)?

Explanation

Bronchial arteries arise from the aorta and supply oxygenated blood to the lung tissue, specifically the bronchi and other structures in the lungs. Coronary arteries supply blood to the heart muscle, pulmonary arteries carry deoxygenated blood from the heart to the lungs, and renal arteries supply blood to the kidneys, not the tissue (parenchyma) in general.

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8. Deoxygenated blood for gas exchange is carried to the lungs by which arteries?

Explanation

Deoxygenated blood is carried from the heart to the lungs for gas exchange through the pulmonary arteries, not the carotid, renal, or coronary arteries.

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9. Through which passage does air from the mouth and nose enter the lungs?

Explanation

The trachea is the correct answer as it is the passage that carries air from the mouth and nose to the lungs. The esophagus is the passage for food and liquids to the stomach, the bronchioles are smaller airways within the lungs, and the pharynx is the throat region that connects the mouth and nasal cavity to the esophagus and larynx.

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10. The right main bronchus divides into ____ lobar bronchi, and the left into ____.

Explanation

The right main bronchus divides into three lobar bronchi, while the left divides into two. This anatomical feature is important in understanding the branching structure of the bronchial tree.

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11. What structures are found in each hilum?

Explanation

The hilum of the lung contains multiple structures including a main bronchus, a pulmonary artery, two pulmonary veins, autonomic pulmonary plexus of nerves, bronchial arteries, and lymph nodes. It is important to differentiate and recognize the various components within the hilum for accurate anatomical understanding.

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12. Which fissures are in the right lung?

Explanation

The right lung is divided into three lobes by two fissures: the horizontal fissure that separates the superior and middle lobes, and the oblique fissure that separates the middle and inferior lobes.

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13. What is the name of the inferior part of the superior lobe of the left lung?

Explanation

The lingula of the left lung is a small, tonguelike projection on the anterior border of the left lung's superior lobe.

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14. What is described as an infectious inflammatory process within the parenchyma of the lung, caused by bacteria or a variety of viruses, with symptoms including tachypnea, fever, and a cough?

Explanation

Pneumonia fits the description provided as it is an infection in the lung parenchyma, typically caused by bacteria or viruses, presenting with symptoms like fever, tachypnea, and cough. Bronchitis, Tuberculosis, and Asthma are different respiratory conditions with distinct causes and symptoms.

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15. What is a puncture or other injury to the lung that causes air to be released into the pleural space, resulting in symptoms such as shortness of breath, weakness, pain and anxiety?

Explanation

Pneumothorax is the correct term for this condition, which involves air in the pleural space due to lung injury. Atelectasis, Pleurisy, and Hemothorax are other lung-related conditions that do not specifically involve the same mechanism as pneumothorax.

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16. What is a condition in which air enters but does not leave the pleural space through the defect in the lung?

Explanation

Tension Pneumothorax occurs when air collects in the pleural space but cannot escape, leading to lung collapse and potentially life-threatening consequences. Pneumonia, Pleural Effusion, and Asthma are different respiratory conditions with distinct characteristics and mechanisms compared to tension pneumothorax.

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17. What is the medical term for the presence of purulent material contained within the parenchyma of the lung?

Explanation

A lung abscess is characterized by the presence of pus within the lung tissue, most commonly caused by aspiration pneumonia. Pulmonary embolism, pneumothorax, and tuberculosis are other conditions that are distinct from lung abscess.

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Which two-layered serous membrane encloses each lung?
The ______ & _______ pulmonary veins transport oxygenated blood from...
How is lymph drainage provided?
Which nerve innervates the lungs?
What is the role of the parasympathetic nervous system originating...
How many bronchial arteries supply the right lung?
Which arteries arise from the aorta and supply oxygenated blood to the...
Deoxygenated blood for gas exchange is carried to the lungs by which...
Through which passage does air from the mouth and nose enter the...
The right main bronchus divides into ____ lobar bronchi, and the left...
What structures are found in each hilum?
Which fissures are in the right lung?
What is the name of the inferior part of the superior lobe of the left...
What is described as an infectious inflammatory process within the...
What is a puncture or other injury to the lung that causes air to be...
What is a condition in which air enters but does not leave the pleural...
What is the medical term for the presence of purulent material...
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