Diapedesis is
A) movements of white blood cells out of the circulation.
B) filling of red blood cells with hemoglobin.
C) the formation of platelets from megakaryocytes.
D) squeezing of red blood cells through narrow capillaries.
A
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Cuspids are also called
A) molars. B) bicuspids. C) wisdom teeth. D) incisors. E) canines.
Answer the following statements true (T) or false (F)
1. When the ratio of the buffer pair falls below what it should be, uncompensated metabolic acidosis can occur. 2. In cardiac arrest, the lack of respiration causes a rapid onset of respiratory acidosis. 3. In cardiac arrest, the buffer system in the blood is overwhelmed and is unable to restore the proper blood pH. 4. Pure water with a pH of 7.0 would have neither hydrogen nor hydroxide ions. 5. The lungs remove just under 10 liters of carbonic acid from the venous blood each day.
Match the function with its appropriate description.A. Movement of molecules from digestive tract into bloodB. Chewing of foodC. Muscular contractions that propel foodD. Removal of undigested wastes from bodyE. Breakdown of organic molecules with digestive enzymesChemical digestion
Fill in the blank(s) with the appropriate word(s).
The rate of diffusion is influenced by ________.
A. membrane surface area B. the concentration gradient C. membrane permeability D. All of the choices are correct.