LP53
Why is the respiratory system considered a defense system?
A. It produces oxygen
B. It removes carbon dioxide
C. It filters and protects against harmful particles
D. It controls blood pressure
C. it filters and protects against harmful particles
What is alveoli injured by?
1. poor diet
2. air pollutants
3. collapsed lung
4. lung inflation
2. air pollutants
Carbon dioxide moves from the blood into the lungs to be:
A. Stored
B. Reused
C. Exhaled
D. Converted to oxygen
C. Exhaled
Q: What is the primary cause of Chronic Obstructive Pulmonary Disease?
Genetics
Smoking
Poor air quality
Unhealthy appetite
2. Smoking
What is the leading cause of lung cancer?
A. Poor diet
B. Genetics
C. Smoking
D. Exercise
What is the function of cilia in the respiratory system?
A. Produce oxygen
B. Move mucus and trapped particles
C. Expand the lungs
D. Control breathing
B. Move Mucus and trapped particles
What removes solid particles settled on walls of airways?
1. Goblet Cells
2. Cilia
3. Parietal cells
4. CO2
2. Cilia
What is the main purpose of the respiratory system?
A. Produce energy
B. Move blood
C. Exchange gases
D. Control hormones
C. Exchange gases
Q. What is Dyspnea?
Wheezing
Shortness of breath
2. Shortness of breath
Which factor may reduce the risk of lung cancer?
A. Low sugar intake
B. Eating more produce
C. Active lifestyle
D. High salt diet
B. Eating more produce
What is the main function of the trachea?
A. Gas exchange
B. Filter and conduct air
C. Produce mucus only
D. Absorb oxygen
B. Filter and Conduct air
Which part of the brain is the mechanism of breathing regulated?
1. Hypothalamus
2. Thalamus
3. Medulla Oblongata
4. Cerebral cortex
3. Medulla Oblongata
Oxygen moves from the lungs into the blood by:
A. Active transport
B. Diffusion
C. Pumping action
D. Filtration
B. Diffusion
Which condition gives the appearance known as "pink puffers"
Emphysema
Asthma
Chronic Bronchitis
Cystis Fibrosis
1. Emphysema
Lung inflation conditions are generally divided into which two categories?
A. Infectious and non-infectious
B. Acute and chronic
C. Conditions affecting pleura and conditions affecting lung inflation
D. Genetic and environmental
C. Conditions affecting pleura and conditions affecting lung inflation
Which characteristic makes alveoli ideal for gas exchange?
A. Thick walls
B. Small surface area
C. Thin walls and large surface area
D. High pressure
C. Thin walls and large surface area
What is something the Dorsal respiratory group neurons are responsible for?
1. generates respiratory rhythm
2. recieves input from higher brain centers
3. relays information to VRGs
4. expires CO2
3. relays information to VRGs
Which structure is responsible for gas exchange?
A. Bronchi
B. Bronchioles
C. Alveoli
D. Larynx
C. Alveoli
Q: Which condition gives the appearance described as “Blue Bloaters”
Emphysema
Asthma
Chronic Bronchitis
Cystis Fibrosis
3. Chronic Bronchitis
What is a pleural effusion?
A. Collapse of alveoli
B. Infection of lung tissue
C. Accumulation of fluid in the pleural cavity
D. Thickening of bronchial walls
C. Accumulation of fluid in the pleural cavity
What prevents the trachea from collapsing?
A. Smooth muscle
B. Cartilage rings
C. Ligaments
D. Fat tissue
B. Cartilage rings
What is something that the Ventral respiratory group neurons are responsible for?
1. Triggering inspiration
2. Relaying information to DRGs
3. Detecting lung inflation & CO2 levels
4. Exciting alveoli
1. Triggering inspiration
Which factor is essential for effective gas exchange?
A. Thick membranes
B. High resistance
C. Proper ventilation and diffusion
D. Strong bones
C. Proper ventilation and diffusion
Q: Which is most likely to be caused by cigarette smoking?
Cystic fibrosis
COPD (Chronic Obstructive Pulmonary Disease)
Asthma
Pulmonary embolism
2. COPD
Atelectasis is best described as:
A. Fluid accumulation in lungs
B. Inflammation of bronchi
C. Incomplete lung expansion leading to collapse
D. Tumor formation in lung tissue
C. Incomplete lung expansion leading to collapse