Explain how EPO regulates RBC production
What will be an ideal response?
Answer: Erythropoiesis is governed by a negative feedback mechanism centered on hypoxic conditions. Hypoxia stimulates synthesis of EPO by the kidney. When erythropoiesis is sufficient to correct the hypoxia, the negative feedback is shut off. This is done by downregulating kidney synthesis of EPO.
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You are assessing a 37-year-old woman who was rescued from an apartment fire. She has a harsh, stridorous, "brassy"-sounding cough productive of sooty sputum. Her eyebrows and the hair around her face are singed. Respirations = 28, heart rate = 108, and blood pressure = 124/84. You have a 30-minute transport time. Which of the following is the best intervention for this patient?
A) One hundred percent oxygen by nonrebreather mask B) Sedation and cricothyrotomy C) A nebulized albuterol treatment D) Rapid sequence intubation and endotracheal intubation
You should attempt resuscitation if the fetus is at least ________ weeks or beyond unless death is obvious
A) 18 B) 20 C) 22 D) 24
The presence of Q waves in the face of concurrent ST elevation speaks to the evolution of the infarction and may indicate that an MI has been in progress for several hours.
Answer the following statement true (T) or false (F)
When handling an emergency call, it is important to remain calm and verify all information with the caller
Indicate whether the statement is true or false