A 3-week-old infant is brought to the emergency department with a rectal temperature of 38.5°C. The infant is sleepy, feeding poorly, and appears ill. Blood, urine, and cerebrospinal fluid cultures are obtained. The parents ask why antibiotics are being started before the culture results are back. Which explanation best describes the rationale for empiric treatment?

If an egophony test is negative, what sound will you hear through your stethoscope? [sound1] (1 pt) What pathology is indicated in that area of the lung if you hear loud, clear sounds through your stethoscope when the patient repeats “Scooby Doo”? [pathology2] (1 pt) What is the expected finding if a clinician percusses over an area of the lung with pathologically increased air? [pathology3] (1pt) Name two sources of error during auscultation [error4] (1 pt} What condition is indicated if a clinician identifies low-pitched wheezing over an area of the lungs? [condition5] (1 pt)  

Curare causes paralysis ________.

A compound action potential ________.

In the experiment on stimulation of the isolated sciatic nerve, the compound action potential increases in amplitude with an increase in stimulation voltage. This is due to ________.

When a neuron is in the resting state, ________.

As compared to coma, a patient in a permanent vegetative state ________.

The ionic concentrations in the interior and exterior of body cells ________.

The difference between an action potential in a single axon and a compound action potential in a nerve is ________.

Net movement of this ion is primarily associated with repolarization.