Ways in which microbes in the body might be destroyed include
a. phagocytosis
b. extracellular release of destructive lysosomal enzymes
c. release from macrophages of lactoferrin, which binds iron needed for bacterial multiplication
d. lysing of bacteria by the complement system's membrane attack complex
e. all of the above
E
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Which of the following is a long drawn and deep inhalation immediately followed by a shorter but forceful exhalation?
a) sobbing b) yawning c) sighing d) hiccupping e) Valsalva maneuver
What is the function of the sphenoid bone?
A) It forms the anterior roof of the mouth or bony palate. B) It forms the roof of the orbits. C) It supports a prominent partition that forms part of the nasal septum. D) It helps slow airflow in the nasal cavity. E) It acts like a bridge uniting the cranial and facial bones.
Scar tissue helps to hold an organ together but does not restore normal function of the damaged tissue.
Answer the following statement true (T) or false (F)
The ________ circuit carries blood from the aorta to the right ventricle
A) pulmonary B) systemic C) oxygen D) portal E) primary