Describe how local flow in the brain is supported during a cardiovascular shock that initially involved a decrease in systemic BP or MAP. In general, could MAP ever go above normal? When might that happen? (Be Specific)

In a standard EPS, briefly explain what is the difference between the used terms of “fixed pacing” and “pacing after sensing”, in the study part for testing inducibility to ventricular tachycardia (VT).

Explain the difference between tonic and antagonistic control of homeostatic balance. Fig. 6.15 Give two examples of each.

Beta blockers are drugs that interfere with stimulation of organs by nerves of the sympathetic system. Would these drugs be useful in treating excessively high blood pressure or excessively low blood pressure?

In the absence of neural and hormonal influences the SA node generates action potentials at a frequency of approximately 100 times per minute. However, the resting heart rate is approximately 70 beats per minute, which suggests that: O the parasympathetic nervous system has more control over heart rate while at rest O the sympathetic nervous system has more control over heart rate while at rest the heart is undergoing vagal escape while at rest the heart is not autorhythmic

Fill in the following blanks (a - f) regarding the Baroreceptor Reflex Control: The baroreceptor reflex control is a negative feedback loop. If the patient is hypotensive, they are experiencing a decrease in blood pressure detected by (a.)_ located in the aortic and carotid bodies. The afferent pathways include the (b.)_ nerve and the (c.)__ nerve. These synapse at the cardioregulatory and vasomotor integration centers located in the (d.)_ These centers will cause the heart rate to (e.)(increase/decrease) and blood vessels to (f.) (vasodilate/vasocontrict). For the toolbar press ALT+510 (BC) or ALTHEN±+510/Mad

Activation of α-adrenergic receptors in vascular smooth muscle stimulates (vasodilation or vasoconstriction). Give an example of an organ system where this occurs.

Explain why p-wave amplitudes outside the normal range may still be 'normal'?

If you were running late for lab and had to run to get there on time, the sympathetic neurons of your autonomic nervous system were likely activated and releasing norepinephrine; what immediate effect might this have had on the blood pressure measured in your brachial artery? Increased stroke volume and heart rate to decrease blood pressure Increased stroke volume and heart rate to increase blood pressure Decreased stroke volume and heart rate to decrease blood pressure Decreased stroke volume and heart rate to increase blood pressure DERMA person

If epinephrine binds to an alpha1 adrenergic receptor on smooth muscle of a blood vessel, the vessel will_______. If epinephrine binds to a beta2 receptor on smooth muscle of a blood vessel, the vessel will _______.  Question options: A constrict; constricts B constrict; dilates C dilate; constricts D dilate; dilates