human physiology Study Set 1

High carbon dioxide concentration in body fluids is called

The partial pressure of oxygen in arterial blood is approximately ________ mm Hg.

The partial pressure of carbon dioxide in the cells of peripheral tissues is approximately ________ mm Hg.

Of the factors that influence diffusion of respiratory gases,the most variable and,therefore,important factor to consider is the

The process by which dissolved gases are exchanged between the blood and interstitial fluids is

The lung pathology most likely to result from certain kinds of heart disease is

Hypoxia resulting from fluid accumulation in the alveoli that cannot be corrected by oxygen therapy can lead to

If the partial pressure of oxygen in both air and water is 100 mm Hg,then the concentration of the oxygen is the same in the air and water.

The variables of oxygen consumption,cardiac output,and blood oxygen content are unrelated.

Which of the following characteristics makes hemoglobin's structure such a good match for its function as an oxygen carrier?

Most of the oxygen transported by the blood is

At a P_O2 of 70 mm Hg and normal temperature and pH,hemoglobin is ________% saturated with oxygen.

Which of the following would make the oxygen-hemoglobin curve shift right?

Chronic hypoxia

Most of the carbon dioxide in the blood is transported as

In the medulla oblongata,the nucleus tractus solitarius contains the ________ of neurons.

The most important chemical regulator of respiration is

An increase in the level of carbon dioxide in the blood will

The expiratory neurons control the ________ muscles,whereas the inspiratory neurons control the ________ muscles.

If the neural connections between the pons and medulla are severed,breathing will stop.