A 17-year-old male presents in the ED in severe respiratory distress. The patient is well known by the hospital staff as he has a long history of asthma that has required multiple hospitalizations. He appears semi-conscious and cyanotic. Auscultation reveals bilateral wheezes. On a 2 L/min nasal cannula, here are the results of the arterial blood gas: pH: 6.97 PaC02: 103 HC03: 23 Pa02: 33 How would you interpret this ABG? 

The results of Carbohydrate Fermentation Testing using maltose with phenol red as an indicator are shown below. Which of the tubes shows the result from a bacterial species that does not produce hydrogen as a by-product of its ability to ferment maltose?

The following compounds have similar molecular masses, but vary in other physical properties. Which has the highest boiling point?

Which of the following could cause hypercapnic respiratory failure?1. Running on the treadmill 2. Opiate drug overdose3. Chronic obstructive pulmonary disease4. Hypothyroidism

If a patient is receiving an Fi02 of .60 on a day when the barometric pressure is 725 mm Hg, and the PaC02 is 50 mm Hg, what is the patient’s alveolar oxygen tension (PA02)? 

Match each description with the appropriate term

What is meant by the phrase “heat-fixing a specimen” and why is it done?

The antibiotics you tested  on Staphylococcus epidermidis (Gentamicin, Nonvobiocin, Penicillin) have in common that all three

An alert 56-year-old man with a history of COPD presents in the emergency department complaining of dyspnea, which has worsened over the last few days. A blood gas is drawn on room air: pH 7.26 PaCO2 70 mm Hg PaO2 50 mm Hg HCO3 32 mEq/L Interpret the blood gas. 

A patient who is suffering from Myasthenia Gravis would be expected to have ________ muscle weakness.