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RT BOARD REVIEW NBRC 1-A (QUESTIONS & ANSWERS) GRADED A+
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RT BOARD REVIEW NBRC 1-A (QUESTIONS & ANSWERS) GRADED A+
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RT BOARD REVIEWNBRC 1-A (QUESTIONS
& ANSWERS) GRADED
A+
RT NBRC
Evatee 9/8/24 RT NBRC
, RT BOARD REVIEW NBRC 1-A (QUESTIONS &
ANSWERS) GRADED A+
Which of the following echocardiogram findings are consistent with diagnosis
of systolic heart failure.
a. decreased LV ejection fraction (<45%).
b. decreased LV chamber compliance.
c. decreased LV end-diastolic volume.
d. increased pulmonary artery pressure. Answer - A. decreased LV ejection
fraction (<45%).
Hypopnea is defined as:
a. decrease in breathing greater than 30% that causes desaturation.
b. period less than 10 seconds of no airflow with increasing respiratory effort.
c. increasing respiratory effort that leads to an arousal from sleep.
d. period of equal or less than 10 second of no airflow with out respiratory
effort. Answer - A. decrease in breathing greater than 30% that causes
desaturation.
Which of the following equations best describes O2 delivery to the tissue.
a. arterial o2 content x stroke volume.
b. arterial o2 content x cardiac output.
c. cardiac output x arterial PO2.
d. cardiac output x vascular resistance. Answer - B. arterial o2 content x
cardiac output.
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