To avoid having the vein collapse during venipuncture on an elderly patient, it is best to use:
a. a larger blood collection tube.
b. a smaller needle size.
c. a microcollection container to collect the venous blood.
d. a larger needle size to allow a continuous flow of blood.
B
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Which one of the following offers the best explanation of why a patient experiencing a syncopal episode regains consciousness after falling?
A) The act of falling causes the heart rate to decrease. B) The supine position allows more blood to perfuse the brain. C) The trauma of falling causes the blood glucose level to increase. D) The seizure stops once the patient is supine.
Which of the following statements regarding gypsum board is MOST accurate?
A. Gypsum is labor-intensive to install. B. Gypsum has a high surface flammability. C. Exposed gypsum contributes little to progressive burning. D. Gypsum can support fire-resistance ratings from 30 to 45 minutes.