9 Questions
Which of the following is the primary site of gas exchange between the blood and tissues?
Alveoli
What is the primary function of hemoglobin in the blood?
Transport oxygen
What is the primary function of the pulmonary circulation?
Transport deoxygenated blood from the body to the lungs
Which of the following is the correct order of structures that air passes through during inhalation?
Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli
What is the primary function of surfactant in the alveoli?
Decrease surface tension to prevent alveolar collapse
Which of the following is the correct order of events during the Krebs cycle?
Citrate formation, isocitrate dehydrogenation, $\alpha$-ketoglutarate decarboxylation, succinyl-CoA formation
Which of the following is the primary site of oxygen uptake by hemoglobin?
Pulmonary capillaries
What is the primary function of the electron transport chain in cellular respiration?
Generate ATP through oxidative phosphorylation
Which of the following is the correct order of events during the electron transport chain?
NADH and $\mathrm{FADH_2}$ donation, proton gradient formation, ATP synthesis, oxygen reduction
Test your knowledge on gas exchange in the respiratory system including the exchange of Oxygen and carbon dioxide across the pulmonary membrane, gas behavior according to Dalton's law, and how gases move by diffusion based on partial pressures. Explore the transfer of gases between alveoli, blood, pulmonary capillaries, and tissue cells.
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