Explain the relationship among vital capacity, tidal volume, inspiratory reserve volume, and expiratory reserve volume
What will be an ideal response?
Vital capacity is the total amount of air that the lungs are capable
of holding following a forced inspiration; Tidal volume is the amount of air that is exhaled
in a normal expiration; Inspiratory reserve volume is the maximal amount of gas that can
be inhaled from the end-inspiratory position; Expiratory reserve volume is the residual
volume remaining in the lungs after a normal exhalation.
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What is the chloride shift and why does it occur?
What will be an ideal response?
Zygote is the first cell formed:
a. In producing an offspring b. By fusing of DNA from sperm and egg c. By mitosis d. By meiosis
Which of the following muscles extends the leg at the knee joint?
A) sartorius B) adductor magnus C) rectus femoris D) gracilis
Explain why the PO2 of the blood leaving pulmonary capillaries is 104 mm Hg, but the blood leaving the lungs to enter the left atrium is 95 mm Hg
A. Some oxygen diffuses out of the blood as it travels through the pulmonary veins B. Some oxygen is incorporated into bicarbonate ion, removing it from solution and reducing PO2 C. Some carbon dioxide in the alveoli is mixed with oxygenated blood from alveolar circulation D. Deoxygenated blood from bronchial circulation is mixed with blood from oxygenated alveolar circulation