Predict the nature of an ECG recording when the atrioventricular node becomes the pacemaker.

A. There would continue to be a normal sinus rhythm.
B. The P wave would be much larger than normal.
C. The rhythm would be slower.
D. The T wave would be much smaller than normal.


Answer: C. The rhythm would be slower.

Anatomy & Physiology

You might also like to view...

In this view of the larynx, what structure does number 2 indicate?

A.  Tracheal cartilage B.  Thyroid cartilage C.  Hyoid bone D.  Cricoid cartilage E.  Epiglottis

Anatomy & Physiology

After suffering a stroke, Alexandra finds that she cannot move her right arm. Where might one expect stroke damage to have occurred?

What will be an ideal response?

Anatomy & Physiology

Phospholipids have a hydrophilic end which is

A. polar and water-soluble. B. nonpolar and water-soluble. C. polar and water-insoluble. D. nonpolar and water -insoluble.

Anatomy & Physiology

Visceral smooth muscle

A. contracts only when stimulated. B. may contain groups of cells that function as an independent unit. C. does not function as a unit. D. occurs in sheets and exhibits numerous gap junctions. E. All of these choices are correct.

Anatomy & Physiology