An 89-year-old female is experiencing signs and symptoms of a urinary tract infection. She had submitted a previous voided urine specimen but it was heavily contaminated with normal urethral flora
Which of the following procedures would be the least invasive but provide a clean urine specimen?
A) Suprapubic aspiration B) In and out catheterization
C) Indwelling catheter D) Cystoscopy
B
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When electrical impulses travel toward the positive electrode, what waveform would be recorded on the ECG tracing?
A. negative deflection B. positive deflection C. straight line D. equiphasic deflection
Legionella pneumophila and Francisella tularensis share all of the following characteristics except
A) ability to diagnose infection with detection of serum antibodies. B) poor Gram staining properties. C) fluorescence of colonies. D) ability to cause pneumonia.
Show-tell-do is a method of communication reserved for the child patient
Indicate whether the statement is true or false
The primary pacemaker cell of the heart is the:
A. AV node. B. bundle of His. C. Purkinje network. D. SA node.