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LAB work sheets, Chemistry MW, Lab Reports of Anatomy

Academy of Oriental Medicine at Austin (AOMA)Anatomy

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Typology: Lab Reports

2020/2021

Uploaded on 07/30/2021

veronicaS74
veronicaS74 🇺🇸

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Name:
XL3: RESPIRATION LAB
Please complete the following worksheet questions ( 1 - 5) and submit on the Canvas site as will
be instructed (6 points total).
Q1. Name the instrument used to measure lung volumes Spirometer
(0.5 point)
Q2. The following data shows approx. 15 quiet breathing cycles followed by a vital capacity
maneuver, carried out by a male subject at rest. Inhalation is plotted in the upward
direction (1.5 points)
lungs are maximally inflated
From these data determine the breathing rate (breaths/ min)
calculated breathing rate = 8 breaths/20sec * 3 = 24 breaths/minute
Is the value within the normal breathing range? circle Y / N
justify your answer
Since the normal respiration rate for an adult at rest is 16 to 20 breaths per minute, in our case,
24 breath/min at rest is considered abnormal.
Mark on the trace (spirogram) where the lungs are maximally inflated
pf3
pf4

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Download LAB work sheets, Chemistry MW and more Lab Reports Anatomy in PDF only on Docsity!

Name:

XL3: RESPIRATION LAB

Please complete the following worksheet questions ( 1 - 5) and submit on the Canvas site as will be instructed (6 points total). Q1. Name the instrument used to measure lung volumes Spirometer (0.5 point) Q2. The following data shows approx. 15 quiet breathing cycles followed by a vital capacity maneuver, carried out by a male subject at rest. Inhalation is plotted in the upward direction (1.5 points) lungs are maximally inflated From these data determine the breathing rate (breaths/ min) calculated breathing rate = 8 breaths/20sec * 3 = 24 breaths/minute Is the value within the normal breathing range? circle Y / N justify your answer Since the normal respiration rate for an adult at rest is 16 to 20 breaths per minute, in our case, 24 breath/min at rest is considered abnormal. Mark on the trace (spirogram) where the lungs are maximally inflated

/. cont Q3. Table 1 shows analysis of 10 breathing cycles from data in Q2. Use these data to answer the following questions (1.5 points) ACTIVE PASIVE Using the respiration rate you calculated in Q2, use the above data to determine minute ventilation ie how much air moves in and out of the lungs each minute Minute ventilation = VE = TV x f TV -tidal volume = 560. f- respiratory rate = 24 VE = 560.386 * 24 = 13,449mL/min or 13.45L/min Minute ventilation = 13.45 Liters/min Explain the physiological basis for differences in the mean inhalation vs mean exhalation time in Table 1 Physiology behind inhalation is that the contraction of diaphragm increases the thoracic volume which decreases the intrapulmonary pressure which becomes relatively lower than the atmospheric pressure leads to rushing in of air into lungs. During expiration, relaxation of diaphragm, the thoracic cavity gets smaller and the reverse happens. In other words, exhalation takes longer when it is QUIET BREATHING as it is passive – due to recoil, while inhalation is always an active process where muscles are employed to draw in air. / cont Q4. The following Table shows data for 10 breathing cycles for the same subject as in Q2, after a vigorous workout on an exercise bike.

pulmonary muscles at maximum depth of inspiration, or by signals from the pneumothoraxic center. It increases tidal volume. / cont Q5. Briefly explain the principle underlying "pulse oximetry" measurements and say why they are useful in patient assessment (1 point) The principle behind pulse oximetry is spectrophotometry. It means that the relative absorption of red that is absorbed by deoxygenated blood and infrared light that is absorbed by oxygenated blood of the systolic component of the absorption waveform that correlates to arterial blood oxygen saturation. The main purpose of pulse oximetry in patient assessment is that it is a rapid method for measurement of oxygen saturation level without using any other equipment or blood sample. The measured amount reflects on the screen which shows saturation of red blood cells with oxygen. This helps the doctor and other medical staff in providing better treatment to the patient.