A fracture caused by a tendon or ligament pulling a small chip of bone away from the rest of the bone is called what?
A. simple fracture
B. compound fracture
C. avulsion fracture
D. spiral fracture
C. avulsion fracture
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T lymphocytes are responsible for adaptive immunity known as antibody mediated immunity
Indicate whether the statement is true or false.
Which of the following statements concerning pulmonary surfactant is incorrect?
a. It is secreted by Type II alveolar cells. b. It is deficient in newborn respiratory distress syndrome. c. It promotes elastic recoil of the lungs. d. It reduces the cohesive force between water molecules. e. It reduces surface tension.
Hyperosmotic regulation is found in all freshwater animals
Indicate whether the statement is true or false
The Na+/K+ ion pump is responsible for
A) diffusing chloride across the plasma membrane. B) transferring messages from enzyme-linked receptors to the cell nucleus. C) maintaining the sodium/potassium concentration gradients constant. D) initiating action potentials. E) amplifying signals using ATP.