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WorksheetsCH 19 - Respiratory System
Total questions: 29
Worksheet time: 15mins
Major function of the respiratory system:
Move air into and out of lungs
Make sounds
All of the above
None of the above
The "throat"
Larynx
Pharynx
Trachea
Bronchi
Alveoli
The "windpipe"
Larynx
Pharynx
Trachea
Bronchi
Alveoli
The "voice box"
Larynx
Pharynx
Trachea
Bronchi
Alveoli
Microscopic air sacs of the lungs where gas exchange occurs:
Larynx
Pharynx
Trachea
Bronchi
Alveoli
Branches of the respiratory tree immediately after the trachea:
Larynx
Pharynx
Trachea
Bronchi
Alveoli
The major form of carbon dioxide transport in the blood:
Dissolved in plasma
Attached to hemoglobin
Bicarbonate
Vitamin C
The major transport protein for oxygen in the blood:
Hemoglobin
Myoglobin
Hexaglobin
Collagen
The respiratory epithelium:
Simple squamous
Simple columnar
Stratified columnar
Pseudostratified columnar
Prevents food from entering trachea:
Glottis
Uvula
Epiglottis
Hard palate
The respiratory membrane:
One layer of simple squamous epithelium and one layer of basement membrane
One layer of simple squamous epithelium and two layers of basement membrane
Two layers of simple squamous epithelium and one layer of basement membrane
Two layers of simple squamous epithelium and two layers of basement membrane
The main breathing muscle:
Pectoralis major
Diaphragm
Pectoralis minor
Rectus abdominis
An accessory muscle of exhalation:
Pectoralis major
Diaphragm
Pectoralis minor
Rectus abdominis
An accessory muscle of inhalation:
Pectoralis major
Diaphragm
Pectoralis minor
Rectus abdominis
The volume of air exchanged with the environment upon normal breathing:
Vital capacity
Inspiratory reserve volume
Tidal volume
Residual volume
Total lung capacity
The volume of air that remains in the lungs no matter how hard you try to exhale:
Vital capacity
Inspiratory reserve volume
Tidal volume
Residual volume
Total lung capacity
The maximum volume of air that you can exhale after taking the deepest inhalation possible:
Vital capacity
Inspiratory reserve volume
Tidal volume
Residual volume
Total lung capacity
Location of the respiratory center:
Cerebrum
Pons and cerebellum
Pons and spinal cord
Medulla oblongata and pons
Blood collecting between the pleural membranes:
Pneumthorax
Cleft palate
Hemothorax
Fistula
The primary gas exchanged in the lung is:
Nitrogen
Oxygen
Carbon dioxide
Helium
Which structure is responsible for warming, moistening, and filtering the air before it enters the lungs:
Larynx
Bronchi
Nasal cavity
Alveoli
What structure prevents the collapse of the trachea during inhalation?
Alveoli
Cartilage rings
Bronchioles
Diaphragm
The right lung is divided into how many lobes?
One
Two
Three
Four
The primary muscle involved in quiet inhalation is:
External intercostals
Diaphragm
Rectus abdominis
Internal intercostals
The process of moving air into and out of the lungs is called:
Respiration
Ventilation
Perfusion
Diffusion
Which of the following structures is found in the lower respiratory tract?
Nasal cavity
Trachea
Pharynx
Larynx
The primary function of surfactant in the lungs is to:
Prevent lung infections
Facilitate oxygen diffusion
Reduce surface tension in the alveoli
Increase lung capacity
The structure responsible for exchange of gases between the alveoli and the blood is:
Alveolar ducts
Pulmonary capillaries
Bronchioles
Trachea
The process by which oxygen moves from the alveoli into the blood is known as:
Filtration
Diffusion
Active transport
Osmosis
