Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize? 

A. P-R interval
B. S-T interval
C. Q-T interval
D. U wave
E. QRS complex


C. Q-T interval
The Q-T interval represents the time it takes for the ventricles to contract and then repolarize.

Health Professions

You might also like to view...

What does electronic health record software have to safeguard against a possible medication reaction?

What will be an ideal response?

Health Professions

Answer the following statements true (T) or false (F)

1 All health insurance contracts define medical necessity in the same way. 2) If a physician has ordered surgery for a patient, a managed care organization (MCO) case manager may disallow an inpatient stay if the MCO guidelines designate the procedure as best suited for outpatient care. 3) A goal of managed care is for the patient to receive care in the most appropriate and most restrictive setting. 4) A primary care physician (PCP) in a health maintenance organization (HMO) can be an OB/GYN. 5) An integrated delivery system (IDS) is a network of healthcare organizations under a parent holding company.

Health Professions

The Food and Drug Administration developed the food pyramid

Indicate whether the statement is true or false

Health Professions

Which of the following is typically seen as a nosocomial infection?

A) Impetigo B) Boils C) MRSA D) Ringworm

Health Professions