CA in situ is defined as:
A) a malignant tumor comprised of squamous cells.
B) cells that have started to change but still remain in the epithelial layer.
C) a malignant tumor that is encapsulated.
D) a primary malignant neoplasm.
B
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An older patient may have trouble remembering something that happened ________
a. in the past b. the day before c. in the immediate present d. None of the above
Which of the following statements regarding integrins is true?
A. Integrins are cell surface receptors that allow cells to reversibly bind to the extracellular matrix to achieve cell migration. B. Integrins produce vascular endothelial growth factor to assist with angiogenesis. C. Integrins are specialized fibroblasts that assist with wound contraction. D. Integrins are a temporary latticework of vascularized connective tissue that forms during the proliferative phase of wound healing.
Prior to administering nitroglycerin to a patient with chest pain, the EMT must ensure that the:
A) nitroglycerin is prescribed for the patient. B) patient rates his chest pain as 10 out of 10. C) systolic blood pressure is greater than 110 mmHg. D) patient is standing in an upright position.
A simple ____ analysis asks the question of whether it is advantageous to take a particular action or make a change in a procedure.
A. scientific B. cost-benefit C. risk assessment D. risk-benefit