Absorption can help protect the body from nutritional deficiency because absorption is a selective process
A) Both the statement and reason are correct but not related. ?
B) The statement is correct, but the reason is not. ?
C) Neither the statement nor the reason is correct. ?
D) Both the statement and reason are correct and related. ?
E) The statement is not correct, but the reason is correct.
D
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An 8-year-old child is in ventricular tachycardia. He has a weak pulse; a decreased level of consciousness; and cool, pale skin. You should:
A: perform synchronized cardioversion at 1 j/kg. B: obtain a 12-lead ECG to confirm the dysrhythmia. C: secure his airway with an endotracheal tube. D: start an IV and give 5 mg/kg of amiodarone.
Assuming a constant FiO2 and carbon dioxide production, which of the following statements is correct?
a. An increased PACO2 will result in and increased PAO2. b. Increased FIO2 blows off carbon dioxide. c. Increases in alveolar ventilation (VA) decrease the PACO2 and increase the PAO2. d. The PAO2 varies proportionally with the PACO2.