Which of the following keeps food out of the trachea?

• glottis

• epiglottis

• thyroid cartilage

• bronchi

The main site of gas exchange in the lungs is the _____.

• alveoli

• bronchi

• alveolar ducts

• bronchioles

Tags

NGSS.HS-LS2-5

During inspiration the diaphragm __________ and the thoracic cavity _________in size.

• rises, decreases

• flattens, increases

• flattens, decreases

• rises, increases

Which of the following structures connects the nose to the throat?

• oropharynx

• nasopharynx

• larynx

• laryngopharynx

Boys have high pitched voice when they are young, but their voice deepen as they age.  What causes this?

• They are able to push more air through the larynx as they get older.

• Their vocal cords shorten as they get older.

• Their mouths and sinus cavities grow, causing the sound to vibrate more deeply.

• Their vocal cords grow longer as they get older.

This structure contains 15 to 20 cartilage rings and serves as a passageway for air:

• nasopharynx

• trachea

• pharynx

• larynx

Which of the following describes the path of carbon dioxide as it leaves your tissue capillaries and exits through the respiratory system?

• vena cava, left atrium, left ventricle, pulmonary veins, pulmonary capillary, bronchioles, bronchi, alveoli, trachea, larynx, pharynx, mouth/nose

• mouth/nose, pharynx, larynx, trachea, bronchi, bronchioles, alveoli, vena cava, right atrium, right ventricle, pulmonary artery, pulmonary capillary

• aorta, right atrium, right ventricle, pulmonary vein, pulmonary capillary, alveoli, bronchioles, bronchi, trachea, larynx, pharynx, mouth/nose

• vena cava, right atrium, right ventricle, pulmonary artery, pulmonary capillary, alveoli, bronchioles, bronchi, trachea, larynx, pharynx, mouth/nose

You are sitting calmly while you work on this test.  The amount of air that is regularly being exchanged through your lungs during this time is called the

• residual volume

• vital capacity

• total lung capacity

• tidal volume

The doctor told you that you have an upper respiratory infection.  Which of the following structures would NOT be affected by this infection?

• bronchi

• pharynx

• larynx

• nose

You friend has her larynx removed.  What will she be unable to do?

• cough

• swallow

• breathe

• speak