Which of the following is a special feature of the NMDA receptor? Choose the correct option. A) NMDA receptors usually co-exist with AMPA receptors. B) Bound glutamate does nothing if the postsynaptic membrane is not depolarized enough. C) The NMDA receptor is clogged with Mg2+ that can only be dislodged by strong postsynaptic depolarization. D) All choices are correct.

Which is a major/typical class of anxiolytic drug? Choose the correct option. A) NMDA receptor inhibitors B) lithium C) Benzodiazepines  D) Dopamine

The EEG is primarily used to help diagnose certain neurological conditions, especially which of the following? Choose the correct option. A) Abnormal heart rhythms B) Schizophrenia C) Brain tumors D) The seizures of epilepsy

A patient with acute respiratory failure due to pneumonia is receiving high flow nasal cannula (HFNC) therapy. When assessing the patient’s response, which of the following patient factors would influence your decision to escalate or de-escalate HFNC therapy?

If a patient is on a 6L nasal cannula, what is the approximate FIO2?

The QRS wave on the EKG indicates which of the following:

The indexing system that applies to medical gas cylinders size E and smaller is known as which system?

Low-flow O2 delivery systems used in respiratory care include all of the following except:

What is the usual method of monitoring the remaining contents in a liquid-filled cylinder?

A respiratory therapist is monitoring a patient with tracheostmy. The patient is recieving oxygen at an FIO2 of .40 by T-piece with a flowmeter setting of 8 L/min. No mist is visible during inspiration. Which of the following should the therapist do?