Gas Exchange Practice Problems
Which of the following receptors in the brain is sensitive to pH changes and thus controls breathing?
Identify the incorrect statement during the process of inspiration.
Which of the following regions of the brain controls breathing?
Which one is not a method of gaseous exchange in adult frogs?
The concept that states "the rate of diffusion across a membrane is directly proportional to the concentration gradient of the substance on the two sides of the membrane and inversely related to the thickness of the membrane" is referred to as the _______.
An increased concentration of ______ is the strongest stimulus to breathe more deeply and more frequently.
The Bohr effect helps ______ oxygen into the tissues because of the _____ partial pressure of carbon dioxide in the metabolically active tissues.
Compared to adult hemoglobin, fetal hemoglobin has a _______ affinity for oxygen. Thus, the fetal oxygen dissociation curve exhibits a ________ shift.
Which of the following factors increases hemoglobin's oxygen affinity?
Blood entering into the pulmonary capillaries by the pulmonary arteriole has a _____ in comparison to alveolar air.
A sudden rise in CO2 in the surrounding atmosphere will cause: