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The code for this procedure allows for imaging a patient twice.
A pulmonary perfusion imaging or pulmonary ventilation scan is used to check that how well air and blood are able to flow through your lungs. Pulmonary embolism is a condition in which two or more arteries are blocked by the blood clot in lungs and it is the fatal complication after the trauma.
Answer:
Because they are caused by a random (for lack of a better word) "glitch" or by environmental conditions, and therefore cannot be passed down
Answer:
O Cell membrane: surrounds a cell and allows substances to pass in and out
Explanation:
Cell membrane is also called plasma membrane. Cell membrane is the boundary of the cell which helps in the protection of the cell from external environment. Cell membrane is a semipermeable membrane which has small pores that allows substances such as water, glucose, Sodium ion, oxygen and carbondioxide etc to pass through it.