Respiratory System (Medical Entrance)
Anatomy and physiology of the respiratory system including airway structures, pleural anatomy, respiratory muscles, and lung diseases for medical entrance exam preparation
Questions
Which of the following muscles is/are involved in opening the vocal cords?
- Lateral cricoarytenoid muscles
- Posterior cricoarytenoid muscles
- Cricothyroid muscle
- Sternohyoid muscle
Which of the following structures mark(s) the point of bifurcation of trachea into right and left bronchi?
- Tracheal rings
- Epiglottis
- Carina of trachea
- Cuneiform cartilage
Where are pores of kohn located?
- Bronchioles
- Bronchi
- Trachea
- Alveoli
Which muscles are involved in forced exhalation?
- External intercostal muscles
- Internal intercostal muscles
- Scalene muscles
- Pectoral muscles
Which of the following animals are obligate nasal breathers?
- Frogs
- Elephants
- Horses
- Birds
How many bronchopulmonary segments are present in the middle lobe of right lung?
- 3 segments
- 5 segments
- 2 segments
- 10 segments
Which is the best place to put a drain tube whenever fluid accumulates in the pleural cavity?
- Costomediastinal recess
- Costodiaphragmatic recess
- Costophrenic recess
- Pherincomediastinal recess
What are the divisions of trachea which function before it finally passes the air to alveoli?
- Trachea- p bronchi- lober bronchi- segmental bronchi- respiratory bronchioles- terminal bronchioles- alveolar ducts- alveolar sacs
- Trachea- p bronchi- segmental bronchi- lober bronchi- terminal bronchioles- respiratory bronchioles- alveolar ducts- alveolar sacs
- Trachea- p-bronchi-lober bronchi- segmental bronchi- terminal bronchioles- respiratory bronchioles- alveolar ducts- alveolar sacs
- Trachea- p bronchi- segmental bronchi- lober bronchi- respiratory bronchioles- terminal bronchioles- alveolar ducts- alveolar sacs
Which of the following sentences is incorrect?
- The right main bronchus is wider, shorter and more verical than the left main bronchus.
- The left main bronchus is shorter than the right one.
- Eparterial bronchus is present in the superior lobe of lungs.
- The right main bronchus divides into three secondary bronchi.
Which of the following organisms posses bronchostegal lungs for respiration?
- Scorpions
- Coconut crabs
- Grasshoppers
- Snails
In which group are diseases like black lung disease and asbestosis categorised?
- Pneumoconiosis
- Acute respiratory disease syndrome (ARDS)
- COPD
- ILD
Which of the following lung diseases affects the pleura?
- Amytropic lateral sclerosis
- Mesothelioma
- Pulmonary edema
- Sarcoidosis
Which of the following structures is/are found to be damaged in emphysema?
- Trachea
- Alveolar walls
- Bronchioles
- Respiratory muscles
What is the portion of parietal pleura bordering the rib-cage called?
- Visceral pleura
- Costal pleura
- Mediastinal pleura
- Diphragmatic pleura
In which area do lungs expand during forced inspiration?
- Costophrenic recess
- Costomediastinal recess
- Costodiaphragmatic recess
- Phrenicomediastinal recess