respiratory system a&p test

Alveoli

Air sacs, which are the main sites of gas exchange in the lungs.

Nares

Two openings in the nose

Pores of John

Small openings in the alveolar walls

Palate

The roof of the mouth

Conchae

Uneven, scroll like nasal bones

Larynx

Voice box

Pleura

Serous membrane that surrounds the lungs

Pharynx

The throat

Thyroid cartilage

Adams apple

Trachea

Windpipe

Surfactant

Reduces surface tension in the alveoli

Epiglottis

Flap that covers the opening of the larynx

Bronchioles

Smallest air conducting passageways of the bronchi

Sinuses

Air-filled cavities that surround the nose

Mediastinum

The area of the thoracic cavity between the lungs

Respiration

Breathing

Internal respiration

Gas exchange between the tissues and capillaries

External respiration

Gas exchange between the alveoli and pulmonary blood

Vital capacity

The total amount of air that can be forcibly expired after maximum inspiration

Tidal volume

The amount of air inhaled in a normal breath

hiccups can cause spasms in the diaphragm muscle

True

Men have a higher respiratory rate than women

False

The amount of air that remains in the lungs after a normal expiration is inspiratory reserve volume

False

Residual volume cannot be measured by a spirometer

True

The right lung has three lobes

True

_____ is any lung disorder characterized by a long term airway obstruction

COPD

An____ is caused by the need to clear the upper respiratory passageways of dust and other debris

Sneeze

_____ is an infection of the lungs

Pneumonia

The airways of the lungs become narrow or inflamed during episodes called___

Asthma

The left lung has ____ lobes

Two

The ____ divides the nose into left and right chambers

Nasal septum

What ALL causes pneumonia

Virus, bacteria, and fungus

Nasopharynx

Superior to the others

Infants

Have the highest respiratory rate

In ____ air is continuously moved into and out of the lungs

Pulmonary ventilation

NOT a sinus

Temporal sinus

What is the shape of the cartilaginous rings in the trachea?

C-shaped

NOT a type of receptor involved in regulating respiration

Distal chemoreceptors

During an asthma attack, the airways are temporally constricted by____

Bronchospasms

Swollen neck glands are a symptom of which URI

Tonsillitis

Lung volume varies according to which of the following

Height, gender, and weight

The Eustachian tubes drain into the___

Nasopharynx

The larynx is composed of___ cartilaginous plates

8

Keeps food out of the trachea

The epiglottis

The main site of gas exchange in the lungs is the___

Alveoli

In the ____ oxygen diffuses into the blood

Alveoli

Gas exchange between the tissues and capillaries is___

Internal respiration

During inspiration, the diaphragm

Flattens

The need to clear dust or other debris from the lower respiratory tract causes you to___

Cough

The medulla oblongata and ___ work together to control breathing

Pons

The average respiratory rate for adults at rest is___ breaths per minute

12-15