Gaseous Exchange With Answers

Gaseous Exchange

Sr. # Questions Answers Choice
1 What are the tiny air sacs in the lungs where the actual exchange of gases (oxygen and carbon dioxide) occurs? Bronchi Trachea Bronchioles Alveoli
2 Which sequence correctly represents the path of air from the outside environment to the alveoli during inhalation? Nasal cavity → Pharynx → Larynx → Trachea → Bronchi → Bronchioles → Alveoli Larynx → Pharynx → Nasal cavity → Trachea → Bronchi → Bronchioles → Alveoli Nasal cavity → Trachea → Pharynx → Larynx → Bronchi → Bronchioles → Alveoli Pharynx → Nasal cavity → Larynx → Trachea → Bronchi → Bronchioles → Alveoli
3 What is the primary organ responsible for gaseous exchange in humans? Heart Kidneys Lungs Liver
4 Which respiratory disorder is most strongly associated with uncontrolled cell growth in the lung tissues, often linked to smoking? Asthma Emphysema Lung Cancer Tuberculosis
5 Pneumonia is an infection of the lungs that can be caused by bacteria, viruses, or fungi. What is the main effect of pneumonia on the lungs? Thickening of the vocal cords Collapse of the trachea Inflammation and fluid accumulation in the alveoli Hardening of the diaphragm
6 What is the primary characteristic of asthma? Permanent damage to alveolar walls Inflammation of the pharynx Spasms of the bronchi and bronchioles, narrowing the airways Fluid accumulation in the pleural cavity
7 A condition where the walls of the alveoli are damaged, leading to an enlargement of air spaces and a reduction in the surface area for gas exchange, is called: Asthma Pneumonia Bronchitis Emphysema
8 Which respiratory disorder is characterized by the inflammation of the bronchial tubes, leading to excessive mucus production and persistent coughing? Emphysema Asthma Bronchitis Pneumonia
9 Which of the following is the main nitrogenous waste product excreted by the human urinary system? Carbon dioxide Bile Urea Lactic acid
10 The process by which essential substances like glucose, amino acids, and some salts are reabsorbed back into the blood from the renal tubule is known as: Glomerular filtration Tubular reabsorption Tubular secretion Micturition
11 Which of the following correctly represents the path of urine out of the human body? Kidney → Urethra → Ureter → Urinary Bladder Kidney → Urinary Bladder → Ureter → Urethra Kidney → Ureter → Urinary Bladder → Urethra Kidney → Urinary Bladder → Urethra → Ureter
12 The basic structural and functional unit of the kidney responsible for filtering blood and forming urine is called the: Neuron Alveolus Nephron Hepatocyte
Download This Set

Is this page helpful?