Corrected True/False: Mark T for true F for false on Response Sheet AND if you a
ID: 3523287 • Letter: C
Question
Corrected True/False: Mark T for true F for false on Response Sheet AND if you answer false write in a word or phrase which corrects the statement to True. The word or phrase that makes the statement correct must substitute for the bolded/underlined section of the original statement
In an ECG tracing the Q wave is a small rounded upward deflection
The a-v O2 diff is the sum of the O2 content in the arterial and venous blood.
An increase in lactic acid will result in a rightward shift of the oxyhemoglobin dissociation curve
A pressure gradient of 40 mm/Hg will facilitate a more rapid diffusion of oxygen across a membrane compared to a pressure gradient of 60 mm/Hg.
At rest systole lasts 3 times as long as diastole.
Explanation / Answer
1. In ECG tracing the Q wave is a small rounded upward deflection - FALSE.
The correct statement :
In ECG tracing the Q wave is a small, pointed, negative, downward deflection .
2. The a - v O2 diff is the sum of the O2 content in the arterial and venous blood. - FALSE.
The correct statement :
The a -v O2 diff is the difference in the O2 content in the arterial and venous blood.
3. An increase in lactic acid will result in a rightward shift of the oxyhemoglobin dissociation curve. - TRUE
4. A pressure gradient of 40 mm/Hg will facilitate a more rapid diffusion of oxygen across a membrane compared to a pressure gradient of 60 mm/Hg. - FALSE
The correct statement :
A pressure gradient of 40 mm/Hg will facilitate a less rapid diffusion of oxygen across a membrane compared to a pressure gradient of 60 mm/ Hg.
5. At rest systole last 3 times as long as diastole.- TRUE