The V1 tracing shown here is from a 12-lead ECG performed on a 36-year-old male patient as part of a yearly physical examination. The patient appears to be in good general health. What does this tracing show? 
A. Right bundle branch block
B. Left ventricular hypertrophy
C. Complete AV block
D. Left bundle branch block
Answer: D
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Sophia Smith was weeding her garden this morning and got a splinter stuck in her right thumb. What codes are assigned?
A. S61.042A, W45.8XXA, Y92.017, Y93.H2 B. S61.041A, W45.8XXA, Y92.017, Y93.H2 C. S61.042A, W45.8XXD, Y92.017, Y93.H2 D. S61.041A, W45.8XXD, Y92.017XA, Y93.H2
The peak pressure on a ventilator reads 30 cm H2O. What is the equivalent pressure in kilopascals (kPa)?
a. 37.0 kPa b. 68.0 kPa c. 4.9 kPa d. 2.9 kPa
Which of the following statements is true about a Type II error?
A. It occurs when researchers reject a hypothesis when the hypothesis is true. B. It occurs when researchers accept a hypothesis when the hypothesis is false. C. Its probability of occurrence decreases if the sample size is decreased. D. It is less likely to occur if the .01 level of significance is used, rather than the .05 level.