The partial oxygen pressure (pO2) should be high for the maximum loading of hemoglobin with the oxygen.
Hemoglobin is a quaternary protein that transports oxygen in the blood. Hemoglobin is made up of four heme subunits and an Iron atom. Blood oxygen is bound to the hemoglobin in red blood cells. One molecule of hemoglobin binds the four oxygen molecules and forms the oxyhemoglobin.
The partial pressure of the oxygen is an important factor that determines the binding affinity of oxygen to the hemoglobin. The higher the partial pressure of oxygen the more oxygen binds with the hemoglobin. The hemoglobin binds oxygen rapidly in the pulmonary capillaries of the lungs due to higher partial pressure of oxygen.
Learn more about Oxyhemoglobin here,
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<span>"Effort and discomfort go together and that's what most people would call good pain — you generally expect to feel some level of discomfort," Ms Ryan
So you should feel some discomfort but not sharp or intense pains.</span>
Answer:
heart rate..................
Answer:
d. Training to relax when confronted with anxiety-arousing stimuli
Explanation:
Systematic desensitization is a type of technique used in cognitive therapy and it is based on the principle of classical conditioning.
The goal of this technique is to remove a phobia or a stimuli that causes anxiety and substitute it with a relaxation response.
This technique has three phases:
- The patient is taught deep relaxation and breathing exercises.
- The patient creates a fear hierarchy starting at stimuli that provoke the least anxiety and building up to the most fear provoking ones.
- The patient starts at the bottom of the hierarchy with the least unpleasant stimuli and practices the relaxation technique.
The patient practices this relaxation until the stimuli doesn't provoke any anxiety and then he continues with the next stimuli in the hierarchy until he reaches the top stimuli and the anxiety is removed.
Therefore, we can say that relaxation when confronted with anxiety-arousing stimuli is a really important part of systematic desensitization. Therefore, the correct answer is d. Training to relax when confronted with anxiety-arousing stimuli
If you like to run, it is probably the best, in my opinion. If you are
already running, keep it up. Run in moderation (forget the
marathons….think long term, not long distance).
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