Name two functions of the nasal cavitymucosa.
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit
Pre-Lab Questions
1. Name two functions of the nasal cavitymucosa.
2. Why is the trachea reinforced with cartilaginousrings?
3. Describe the path a molecule of oxygen takes to get to body tissue, starting with the nares.
4. What isasthma?
Experiment 1: Microscopic Anatomy of the Respiratory System
Table 1: Experimental Observations
Respiratory Image Description of Visible Structure(s)
Trachea
Lung
Post-Lab Questions
1. Label the arrows in the slide imagesbelow.
A-
B-
C-
D-
E-
F-
G-
H-
2. What structural features of alveoli make them an ideal place for gas exchange?
3. Why is mucus present in thetrachea?
4. What is the specific function of the cilia on the walls of thetrachea?
Experiment 2: Virtual Model – The Respiratory System
Insert screenshot of the epiglottis:
Insert screenshot of the middle lobe of the lung:
Insert screenshot of the nasal caviy:
Post-Lab Questions
1. Whathappenstothepressureinsidethethoraciccavitywhenthediaphragmcontracts? What effect does this have on thelungs?
2. Doesdeoxygenatedbloodbecomeoxygenatedintheupperrespiratorytract,thelungs,or thediaphragm?
3. Is the trachea superior or inferior to thediaphragm?
4. Which component is more medial: the right lung or the trachealbifurcation?
5. Whatisthemostinferiorlylocatedorganoftherespiratorysystem?
Experiment 3: Understanding Lung Mechanics
Table 2: Understanding Lung Mechanics Observations
Squeezed Bottle Observations (Step 3) Released Bottle Observations (Step 4)
Post-Lab Questions
1. What happens to the balloon?Why?
2. What would happen if the seal at the base of the bottleleaked?
3. What causes a collapsed lung? Insufficientsurfactantinanewborn
4. Is a collapsed lung functional? Why or whynot? Click here to entertext.
Experiment 4: Spirometry
Patient A
Table 1: Patient A Spirometry Data
Predicted Values Resting Value Exercise Value
FVC
FEV1
FEV1/FVC
Observations of spirometry graph shapes:
Patient B
Table 2: Patient B Spirometry Data
Predicted Values Resting Value Exercise Value
FVC
FEV1
FEV1/FVC
Observations of spirometry graph shapes:
Patient C
Table 3: Patient C Spirometry Data
Predicted Values Resting Value Exercise Value
FVC
FEV1
FEV1/FVC
Observations of spirometry graph shapes:
Patient D
Table 4: Patient D Spirometry Data
Predicted Values Resting Value Exercise Value
FVC
FEV1
FEV1/FVC
Observations of spirometry graph shapes:
Patient E
Table 5: Patient E Spirometry Data
Predicted Values Resting Value Exercise Value
FVC
FEV1
FEV1/FVC
Observations of spirometry graph shapes:
Post-Lab Questions
1. Based on the results of the spirometry test, is Patient A effectively managing his asthma symptomswithhisinhalermedication?Explainyouranswerusingthedatacollectedduringthe test.
2. Basedontheresultsofthespirometrytest,isPatientBsufferingfromasthma?Explainyour answer using the data collected during thetest.
3. Based on the results of the spirometry test, does Patient C qualify for lung surgery? Explain your answerusingthedatacollectedduringthetest.Answershouldbeintermsofphysiologyandnot simply a list of types ofinjuries.
4. Based on the results of the spirometry test, what do you think is the cause of Patient D’s respiratorysymptoms?Explainyouranswerusingthedatacollectedduringthetest.Conduct your own external research ifnecessary.
5. Basedontheresultsofthespirometrytest,isPatientEsufferingfromasthma?Explainyour answer using the data collected during thetest.
6. Whataresomepotentialdrawbackstorelyingonspirometrytodiagnoserespiratoryconditions? Conduct your own external research ifnecessary.
Is the patient appropriately dressed? Some clothing obstructs breathing from being too tight.
Experiment 5: Fetal Pig Dissection: The Respiratory System
Post-Lab Questions
1. Describe the interior lining of thetrachea. smooth to touch presence ofcilia
2. Were theremanyorfew vesselsservingasconduitsbetweenthelungsandtheheart?Why is thisimportant?
3. Describethefunctionofthediaphragmduringinhalationandexhalation.
Insert photo of your pig’s exposed lungs with your name and access code handwritten clearly in the background:
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