An adult patient has a pulse of 142, a respiratory rate of 24, and a blood pressure of 78/55 mm Hg.  When examining the patient’s chest, a respiratory therapist notes an absence of breath sounds in the left chest with a hyperresonant percussion note.  Which of the following should the therapist recommend FIRST?

What changes would be expected with ventilation and perfusion in a patient with excessive blood loss?

Hypotension is sensed by baroreceptors, what response will this have on blood vessels and why?

Normal physiologic shunts return deoxygenated blood to the left atrium.  Which of the following contribute to normal physiologic shunts?

What is derived from the following formula?       (Hgb x 1.34 x SvO2) + (PvO2 x 0.003)

What is the normal value of hemoglobin?

When a tension pneumothorax, how will cardiac output and blood pressure be affected?

What is the term or acronym for the percentage of red blood cells in relation to total blood volume?

What quantity of oxygen would be transported chemically combined to hemoglobin? Hgb – 12 PaO2 – 63 SaO2 – 90%

To accurately calculate PAO2, one would need to obtain the barometric pressure.  With which of the gas laws is the law of partial pressures utilized in the PAO2 formula?