Cardiovascular diseases typically affect
A) young children.
B) young women.
C) old men.
D) old men and old women.
E) young men.
D
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Which autonomic plexus innervates viscera within the pelvic region?
A. Pulmonary plexus B. Cardiac plexus C. Esophageal plexus D. Hypogastric plexus E. Abdominal aortic plexus
Each seminiferous tubule has the form of a U connected to a single ________.
Fill in the blank(s) with the appropriate word(s).
The only point of electrical contact between the atria and the ventricles is the AV node
Indicate whether the statement is true or false
List the important features of the ECG, and indicate what each represents
A) P wave (atrial repolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization) B) P wave (atrial repolarization), QRS complex (ventricular depolarization), T wave (atrial depolarization) C) P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization) D) P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (atrial depolarization of the next cycle) E) P wave (atrial contraction), QRS complex (ventricular contraction), T wave (ventricular relaxation)