RESPIRATORY Lecture 1-Intro

Home

Open in new tab

Copy link

Multiple Choice

What is the main function of the respiratory system?

• Oxygen transport

• Gas exchange

• Nutrient absorption

• Hormone regulation

Multiple Choice

Which of the following is the primary muscle used for breathing?

• Intercostal muscles

• Diaphragm

• Abdominal muscles

• Pectoral muscles

Multiple Choice

Which components are part of the upper respiratory tract?

• Trachea, bronchi, lungs

• Nose, pharynx, larynx

• Alveoli, pleura, diaphragm

• Medulla oblongata, chemoreceptors, pleura

Multiple Choice

What are the components of the lower respiratory tract?

• Nose, pharynx, larynx

• Alveoli, pleura, diaphragm

• Trachea, bronchi, lungs

• Medulla oblongata, chemoreceptors, pleura

Multiple Choice

Where in the lungs does gas exchange primarily take place?

• Bronchioles

• Alveoli

• Pleura

• Larynx

Multiple Choice

What molecule is responsible for oxygen transport in the blood?

• Myoglobin

• Hemoglobin

• Albumin

• Globulin

Multiple Choice

How is most carbon dioxide transported in the blood?

• Dissolved in plasma

• Bound to hemoglobin

• As bicarbonate ions

• Attached to white blood cells

Multiple Choice

What is the protective membrane that surrounds the lungs called?

• Pericardium

• Peritoneum

• Pleura

• Meninges

Multiple Choice

Which part of the respiratory system is also known as the voice box?

• Pharynx

• Larynx

• Trachea

• Epiglottis

Multiple Choice

What is the common term for the trachea?

• Windpipe

• Air sac

• Alveolus

• Bronchiole

Multiple Choice

What structures are involved in the branching of the airway?

• Alveoli and pleura

• Bronchi and bronchioles

• Trachea and larynx

• Pharynx and diaphragm

Multiple Choice

Which receptors help in the regulation of respiratory rate?

• Baroreceptors

• Photoreceptors

• Chemoreceptors

• Thermoreceptors

Multiple Choice

What happens to the diaphragm during inhalation?

• It contracts

• It relaxes

• It expands

• It stiffens

Multiple Choice

What occurs in the diaphragm during exhalation?

• It contracts

• It expands

• It relaxes

• It stiffens

Multiple Choice

What are the components of the upper airways in the respiratory system?

• Lungs, pleura, bronchi, alveoli

• Nasal cavity, pharynx, larynx, trachea

• Bronchi, alveoli, thorax, diaphragm

• Pulmonary arteries, pulmonary veins, pleura, bronchial

Multiple Choice

What is the function of the respiratory mucosa in the nasal cavity?

• To produce surfactant-containing fluid

• To secrete mucous

• To deliver oxygenated blood to the heart

• To trap dust and bacteria and destroy it

Multiple Choice

Which structure in the respiratory system is also known as the 'voice box'?

• Larynx

• Pharynx

• Nasal cavity

• Trachea

Multiple Choice

What is the function of the paranasal sinuses in the nasal cavity?

• To produce pleural fluid

• To deliver blood to the lung for oxygenation

• To warm, humidify, and filter air

• To allow the lungs to move over the thoracic wall during breathing

Multiple Choice

What is the main function of the pleura in the respiratory system?

• To support and maintain patency

• To allow contraction to decrease the diameter of airway

• To provide protection for lungs, heart, and vessels

• To cover the external lung surfaces

Multiple Choice

What is the site of gas exchange in the lower respiratory tract?

• Bronchi & alveoli

• Lungs

• Pleura

• Thorax & diaphragm

Multiple Choice

What is the function of the alveoli in the respiratory system?

• To produce surfactant-containing fluid

• To maintain moist surface & reduce surface tension

• To allow contraction to decrease the diameter of airway

• To trap foreign particles & eliminate it

Multiple Choice

What is the primary muscle of breathing in the respiratory system?

• Scalene

• Sternocleidomastoid

• Diaphragm

• External intercostals

Multiple Choice

What is the main function of the lung in the respiratory system?

• Gas exchange

• Respiration control

• Acid-base regulation

• Reaction to injury

Multiple Choice

What is the main function of the lung in the respiratory system?

• Respiration control

• Gas exchange

• Acid-base regulation

• Reaction to injury