1.)The QRS complex represents which of the following? a. ventricular depolarizat
ID: 3507075 • Letter: 1
Question
1.)The QRS complex represents which of the following? a. ventricular depolarization b. ventricular contraction c. atial contraction d. atrial depolarization e. none of the above
2.) Homeostasis is the ability of the body to prevent the external environment from changing. prevent the internal environment from changing. quickly restore changed conditions to normal. ignore external stimuli to remain in a state of rest. prevent excessive blood loss.
3.)V1 is placed at which of the following positions? a. the right sternal border, 4 ICS b. left sternal boder, 4th ICS c. midclavicular line, 5th ICS d. lateral axillary line ; 5th ICS e. midaxillary line, 5th ICS
4.)Oxytocin is a hormone that is released in response to cervical dilation. It in turn causes more uterine contractions that will further dilate the cervix. What type of feedback loop does oxytocin trigger? negative feedback positive feedback local control nociceptive feedback Physiology is the study of the structure of the body. the tissues and organs of the body at the microscopic level. growth and reproduction. the normal functions of the organ systems. the facial features as an indication of personality.
Explanation / Answer
1.a) ventricular depolarisation
QRS complex represents ventricular depolarisation.
2.b) prevent internal environment from changing
homeostasis is the ability to maintain a constant internal environment in response to environmental changes
3. a) the right sternal border
V1 is placed at 4th Intercostal space to the right of the sternum.
4.positive feedback
Oxytocin is controlled by a positive feedback mechanism where release of the hormone causes an action that stimulates more of its own release.
5.physiology is the normal functions of the organ systems.
Human physiology, a branch of general physiology, is concerned with how the human body works. It is common to approach the study of human physiology through an organ-system approach.
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