Blog

What is the role of actin in eukaryotic cells?

A reason that some antibiotics harm bacteria but not humans is because these antibiotics inhibit enzymes only found in bacteria.

In a healthy adult, normal pulse pressure is equal to ________ torr.

A patient has a VO2 of 249 ml/min and a C(a-v)O2 of 4 vol%. What is the patient’s cardiac output?

The RCP palpates no pulse on a patient, but the ECG monitor shows QRS complexes on the tracing. The therapist should:

A respiratory therapist is working with a patient who has an arterial line in place. A pressure wave is seen on the monitor, but the tubing is filled with blood.  The most probably cause for this is that the:

The difference between systolic and diastolic pressure is termed:

A patient has a PVR of 2 torr/L/min. This would indicate which of the following?

Using information given or calculated, determine the patient’s stroke volume: Find the following information for Ann, a 37-year-old female patient admitted to ICU for chest pain. The following data is obtained: Hb 15 gm/dl             B/P 148/96 torr SaO2 92%               PaCO2 39 torr PaO2 86 torr            FIO2 31% Venturi mask CaO2 18.75 vol%     CO 6.27 L/min SvO2 73%                CVP 5 torr CvO2 14.78 vol%           PvO2 37 torr             PAP 30 torr PCWP 10 torr           HR 116/min SAO2 95%               VO2 249 ml/min PA02 160.5 torr

Using the information below, calculate cardiac output using the Fick equation: Find the following information for Ann, a 37-year-old female patient admitted to ICU for chest pain. The following data is obtained: Hb 15 gm/dl             B/P 148/96 torr SaO2 92%               PaCO2 39 torr PaO2 86 torr            FIO2 31% Venturi mask CaO2 18.75 vol%     SvO2 73%                CVP 5 torr CvO2 14.78 vol%           PvO2 37 torr             PAP 30 torr PCWP 10 torr           HR 116/min SAO2 95%               VO2 249 ml/min PA02 160.5 torr