Infection Control & Patient Safety Goals - Medicine Study Set

Gowned surgical personnel are considered sterile from the height of the sterile field up and from where?

2 inches above the elbows to the hands.

What is the main source of airborne bacteria?

Exfoliated skin particles from the operating room staff

What is the most frequent mode of infection transmission?

Contact

Items that contact mucous membranes or non-intact skin are semi-critical and requires what level of disinfection?

High level

Standard precautions are used to reduce the transmission of what?

Blood

Which organization is responsible for accreditation and certification standards and sets initiatives for national patient safety goals in the US?

The Joint Commission

How often are National Patient Safety Goals released?

Annually

Contact dermatitis is a common clinical reaction associated with what?

Latex

A patient has a latex allegy what should a technologist be most cautious about?

Gloves

SSEP stimulation of peripheral nerve, the pathway ascends where?

Ipsilateral dorsal columns

D waves are recorded from which of the following electrodes?

Epidural electrodes over the spinal cord

Define "Current"

Amount of electrons flowing between two points

Impedance is the opposition to what kind of flow?

Alternating current flow

Formula for Ohm's law?

V=IR

Common mode rejection of 100:1, is how many dB?

40

To display ptn SSEP response as downward deflection, which of the following must be known?

Polarity of the response and polarity of amplifier input

A positive event occuring in the lead connected to the negative terminal, will result in what kind of deflection?

Downward

If an amplifier is rated as 120 dB common mode rejection, which of the following ratios would be expected?

1,000,000:1

How often should routine electrical safety checks be scheduled?

At least twice a year

What is the maximum leakage current through the patient?

10 uA rms