Plastics that have been hardened into a defined shape during manufacturing and that when heated will typically not soften or melt but produce char, are called:
A) thermosetting plastics.
B) thermoplastics.
C) elastomers.
D) polyurethanes.
A
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All of the following disorders are associated with acquired chromosome abnormalities except:
a. Megaloblastic anemia b. Chronic myelogenous leukemia c. Acute myeloid leukemia d. Acute lymphoblastic leukemia
Qualitative tests (e.g., occult blood, microscopic examination for leukocytes, and fat) can be performed on:
A) a random stool specimen. B) stool specimens that are normal in color and consistency. C) a 24-hour stool specimen only. D) a 72-hour stool specimen only.
A patient with chronic obstructive pulmonary disease (COPD) requiring oxygen is classified as:
A) ASA II B) ASA III C) ASA IV D) ASA V