MEDSCI 142 Ventilation Lab Questions With Correct Solutions

MEDSCI 142 Ventilation Lab Questions

Name the features of the dry spirometer (Vitalograph) - ✔ ✔ -
Bellows

- Stylus

- Chart

- Drive mechanism for chart transport

- Patient (blows into tube)

Which spirometer is used more often in hospitals? - ✔ ✔ Dry
spirometer

Lung Volumes - ✔ ✔ - Residual Volume (1200/1100)

- Expiratory Reserve (1200/700)

- Tidal Volume (500)

- Inspiratory Reserve (3100/1900)

Lung Capacities - ✔ ✔ - Vital Capacity (4800/3100)

- Functional Residual Capacity (2400/1800)

- Inspiratory Capacity (3600/2400)

- Total Lung Capacity (6000/4200)

What do you need to predict FEV1.0, with wet spirometer? - ✔ ✔
Nomogram, age, FVC, height and gender

, Using vital capacity, age and and gender, what do you look at to predict
the FEV1.0? - ✔ ✔ Nomogram

Plastinated Specimen (Orientation) - ✔ ✔ Inferior view of a
transverse slice of the thorax at T3

Structures visible in plastinated specimen: - ✔ ✔ - Trachea

- Sternum

- Left lung

- Visceral Pleura

- Parietal Pleura

- Pleural cavity

- Oesophagus

- Spinal cord

- Vertebral body

- Intercostal muscles

- Ribs

- Right lungs

What does the oesophagus look like in transverse section? - ✔ ✔
Collapsed with star like interior

Explain airway pressure with open and closed valves: - ✔ ✔ - Open:
quickly equalises therefore no pressure build up in airway