Which ion exchanged with bicarbonate by the RBC?
a. Na+
b. K+
c. Cl-
d. both Na+ and K+
e. calcium
C
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Which cavity contains the small intestine?
a) (A) b) (B) c) (C) d) (D) e) (E)
An stationary embolus in a pulmonary artery could break loose and travel as a thrombus where it could stop up a smaller blood vessel in the lung
Indicate whether the statement is true or false
Each molecule of hemoglobin has the capacity to carry __________ molecules of oxygen (O2).
a. 2 b. 4 c. 6 d. 8
Local control of blood flow
A. occurs because of contraction or relaxation of precapillary sphincters. B. causes precapillary sphincters to contract when carbon dioxide levels decrease in tissue spaces. C. causes an increase in blood flow when oxygen levels increase in tissue spaces. D. Occurs because of contraction or relaxation of precapillary sphincters and causes an increase in blood . flow when oxygen levels increase in tissue spaces are both true statements. E. All of these are true statements.