When a sinus rhythm has a QRS complex of 0.12 sec or greater, you know that this is an abnormality and would note that it has:
A) a wide QRS.
B) accelerated ventricular conduction.
C) Purkinje disease.
D) sinus conduction defect.
Answer: A
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The human body is made up of ________ % water
A) 75 B) 17.5 C) 60 D) 7.5
Your patient is experiencing profuse hives, itching, dyspnea, coughing, tachycardia, and dizziness after eating seafood 5 minutes ago. You might also expect to see all of the following additional signs EXCEPT:
A) laryngeal edema. B) bronchospasm. C) cyanosis. D) hypertension.
Why is it important that synthesis of globin chains and heme be balanced in the RBCs?
a. Excess concentration of protoporphyrin increases bilirubin in plasma. b. An excess of one of the components of hemoglobin decreases RBC survival. c. An excess of one of the components of hemoglobin increases RBC survival leading to an eventual elevated RBC count. d. An excess of globin chains significantly decreases the concentration of globin chain messenger ribonucleic acid (mRNA) in the developing RBCs.
A magnetic ________ imaging (MRI) test uses a powerful magnetic field to produce an image of internal body structures.
Fill in the blank(s) with the appropriate word(s).