The ________ of a solution is the negative logarithm of the hydrogen ion concentration expressed in moles per liter
A) charge
B) pH
C) solubility
D) acidity
E) basicity
B
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The property that allows the heart to initiate each heartbeat itself is called ________.
Fill in the blank(s) with the appropriate word(s).
The mesentery is
A. the serous membrane that covers the lungs. B. the serous membrane that lines the abdominal and pelvic cavities. C. the membrane that lines the pericardial sac. D. a double-layered serous membrane that anchors some of the abdominal organs to the body wall. E. the space located between the visceral and parietal pleura.
Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation?
A) tunica intima B) tunica media C) tunica externa D) basement membrane
In which of the following types of blood vessels is blood pressure NOT pulsing?
1. Arteries 2. Capillaries 3. Arterioles 4. Venules a) 1 only b) 2 only c) 3 only d) 4 only e) Both 2 and 4