Which of the following molecules is a senescence signal when it is exposed on the outer leaflet of the erythrocyte?

a. Band 3
b. Ankyrin
c. Phosphatidylethanolamine (PE)
d. Phosphatidylserine (PS)


Correct Answer: D

Health Professions

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Megaloblastic anemia is most often caused by deficiencies of what two components?

a. Iron and transferrin b. Ferritin and hemoglobin c. Vitamin B12 and folate d. Iron and liver disease

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Using the ______ button will automatically put in punctuation and capitalization when setting up a new patient profile.

A. [tab] B. [shift] C. [enter] D. Right (clicking the mouse)

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A young healthy adult with complaints of intermittent wheezing is seen in the pulmonary clinic. A pre/post bronchodilator spirometry reveals a normal study with no reversibility. Which of the following should the RT recommend?

A. Helium dilution study B. DLCO C. Plethysmography D. Bronchial provocation

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Each of the following may assist with placement of the image receptor for a child patient except one. Which one is the exception?

A) Placing the image receptor parallel to the long axes of the teeth of interest B) Using a smaller size image receptor C) Switching to a smaller, lighter image receptor-holding device D) Using the bisecting technique

Health Professions