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
ANS: A
Megaloblastic anemia results from a deficiency of either folic acid or vitamin B12. No associated chromosome abnormality exists.
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Why is an occlusive dressing, taped on three sides, used in a patient with an open pneumothorax?
A) It converts an open pneumothorax into a spontaneous pneumothorax, limiting the aspiration of air and enhancing pressure build-up. B) It converts an open pneumothorax into a tension pneumothorax, limiting the aspiration of air and relieving pressure build-up. C) It converts an open pneumothorax into a simple pneumothorax, reducing the aspiration of air and relieving pressure build-up. D) It converts an open pneumothorax into a hemopneumothorax, limiting the aspiration of blood and relieving pressure build-up.
A young girl with end-stage cancer is unresponsive, not breathing, and pulseless. Her mother and father are by her side, both crying as you start resuscitation. Which statement indicates the most appropriate thing you could say to the parents as you begin?
A) "I think that it would be best for you both to leave the room so we can care for your daughter." B) "If you feel comfortable, it's okay to stay and watch how we care for your daughter." C) "It is important not to cry since she may still be able to hear you and needs you to be strong for her." D) "I can show you how to do chest compressions so that you can take part in caring for your daughter."