Pulmonary System Pathology Trivia Quiz

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Quizzes Created: 1462 | Total Attempts: 827,856

Questions: 10 | Attempts: 644 | Updated: Mar 21, 2023

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Pulmonary System Pathology Trivia Quiz - Quiz

A lot of things can go wrong with the human respiratory system. This affects the exchange of gasses with the environment and alter the general functioning of the body. Most respiratory diseases arises from infections, genetics and smoking. Generally, the incidence of respiratory disorders are on the rise. This quiz assess your knowledge about lung diseases. Get tested now!

Questions and Answers

1.

What physical law is obeyed by the pulmonary system?
- A.
  
  Charles' law
- B.
  
  Boyle's law
- C.
  
  Achimedes law
- D.
  
  Law of floatation
Correct Answer
B. Boyle's law

Explanation
Boyle's law states that the pressure and volume of a gas are inversely proportional at a constant temperature. In the pulmonary system, the lungs expand and contract to regulate the pressure and volume of air. When the volume of the lungs increases, the pressure decreases, allowing air to be drawn into the lungs. When the volume decreases, the pressure increases, allowing air to be expelled from the lungs. Therefore, the pulmonary system obeys Boyle's law to regulate the exchange of air in the lungs.

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2.

Which of these is not part of the pulmonary system?
- A.
  
  Lungs
- B.
  
  Liver
- C.
  
  Diaphragm
- D.
  
  Pharynx
Correct Answer
B. Liver

Explanation
The pulmonary system is responsible for the exchange of gases in the body, particularly oxygen and carbon dioxide. The lungs are the main organ involved in this process, as they facilitate the intake of oxygen and release of carbon dioxide. The diaphragm is a muscle located below the lungs that aids in the process of breathing by contracting and relaxing. The pharynx is a part of the respiratory system that connects the nose and mouth to the larynx and esophagus. However, the liver is not part of the pulmonary system. It is primarily involved in detoxification, metabolism, and synthesis of various substances in the body.

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1
0
3.

Which of these acts as an air conduit?
- A.
  
  Bronchi
- B.
  
  Trachea
- C.
  
  Lungs
- D.
  
  Diaphragm
Correct Answer
B. Trachea

Explanation
The trachea acts as an air conduit. It is a tube-like structure that connects the larynx to the bronchi in the lungs. It allows air to pass in and out of the lungs, facilitating respiration. The trachea is lined with ciliated epithelial cells and is supported by C-shaped cartilage rings, which help keep it open and prevent collapse.

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4.

Which of these lacks cartilaginous support?
- A.
  
  Trachea
- B.
  
  Bronchioles
- C.
  
  Larynx
- D.
  
  Nose
Correct Answer
B. Bronchioles

Explanation
The bronchioles lack cartilaginous support. Unlike the trachea and larynx, which have rings of cartilage to maintain their shape and prevent collapse, the bronchioles are small airways in the lungs that do not have cartilage. Instead, they are surrounded by smooth muscle, allowing them to constrict and dilate to regulate airflow. The nose also contains cartilage, particularly in the nasal septum, which helps maintain its structure. Therefore, the correct answer is bronchioles.

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5.

What is the total lung capacity in humans?
- A.
  
  35 liters
- B.
  
  6 liters
- C.
  
  10 liters
- D.
  
  15 liters
Correct Answer
B. 6 liters

Explanation
The correct answer is 6 liters. The total lung capacity in humans refers to the maximum amount of air that the lungs can hold. It is the sum of the vital capacity and the residual volume. The vital capacity is the maximum amount of air that can be exhaled after a maximum inhalation, which is typically around 4-5 liters. The residual volume is the amount of air that remains in the lungs after a maximum exhalation, which is around 1-2 liters. Therefore, the total lung capacity is approximately 6 liters.

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6.

What is the total residual which can not be measured by spirometry?
- A.
  
  2.5 liters
- B.
  
  1.5 liters
- C.
  
  3 liters
- D.
  
  4.5 liters
Correct Answer
B. 1.5 liters

Explanation
Spirometry is a pulmonary function test that measures the volume of air a person can inhale and exhale. However, spirometry cannot measure the residual volume, which is the amount of air remaining in the lungs after a maximal exhale. The correct answer, 1.5 liters, represents the total residual volume that cannot be measured by spirometry.

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7.

Which of these is not a symptom of asthma?
- A.
  
  Shortness of breath
- B.
  
  Coughing
- C.
  
  Sneezing
- D.
  
  Tightness of breath
Correct Answer
C. Sneezing

Explanation
Sneezing is not a symptom of asthma. Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, leading to symptoms such as shortness of breath, coughing, and tightness of breath. However, sneezing is not typically associated with asthma. Sneezing is more commonly linked to allergies or colds, which can sometimes trigger asthma symptoms in individuals with the condition.

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8.

Which of these is not a type of asthma?
- A.
  
  Occupational asthma
- B.
  
  Allergy-induced asthma
- C.
  
  Hereditary asthma
- D.
  
  Exercise-induced asthma
Correct Answer
C. Hereditary asthma

Explanation
Hereditary asthma is not a type of asthma. Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, resulting in symptoms such as wheezing, coughing, and shortness of breath. Occupational asthma is triggered by exposure to certain substances in the workplace, allergy-induced asthma is caused by allergens such as pollen or pet dander, and exercise-induced asthma is brought on by physical exertion. However, hereditary asthma refers to a genetic predisposition to developing asthma, rather than a distinct type of asthma itself.

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1
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9.

What is the main event in pulmonary edema?
- A.
  
  Increase in weight
- B.
  
  Increase in respiratory rate
- C.
  
  Accumulation of fluid in the lungs
- D.
  
  Increase in erythrocyte production
Correct Answer
C. Accumulation of fluid in the lungs

Explanation
The main event in pulmonary edema is the accumulation of fluid in the lungs. This condition occurs when fluid leaks from the blood vessels in the lungs into the air sacs, making it difficult for oxygen to reach the bloodstream. This can lead to symptoms such as shortness of breath, coughing, and chest pain. It is often caused by heart problems, such as congestive heart failure, but can also be caused by other factors such as lung infections or exposure to certain toxins.

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10.

Which of these does not trigger asthmatic attacks?
- A.
  
  Cold air
- B.
  
  Physical activity
- C.
  
  Optimum exercise
- D.
  
  Air borne substances
Correct Answer
C. Optimum exercise

Explanation
Optimum exercise does not trigger asthmatic attacks because it refers to a level of physical activity that is well-suited to an individual's fitness level and does not exceed their capacity. In contrast, cold air, physical activity, and airborne substances can all be triggers for asthmatic attacks. Cold air can cause airway constriction, physical activity can lead to increased breathing and potential exposure to allergens, and airborne substances such as pollen or dust can irritate the airways and trigger an asthma attack.

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