Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle.
a. true
b. false
b. false
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Several esophageal branches emerge off of which of the following vessels?
A. Celiac trunk B. Bronchial arteries C. Left gastric artery D. Superior mesenteric artery
The female urethra:
A) is more difficult to catheterize than the male urethra. B) opens into the vestibule of the vagina. C) has cilia that very effectively prevent bacteria from entering the bladder. D) begins with a distinct sphincter in the bladder, the internal urethral sphincter. E) has a distinct posterior ridge termed the urethral crest.
Name the major functions of the large intestine
A) producing digestive enzymes, producing acidic chyme, digesting proteins, fats and carbohydrates B) reabsorbing water and compacting material into feces, absorbing vitamins, and storing fecal material C) detoxifying alcohol and drugs, producing bile, storing bile D) producing buffers, absorbing vitamins, and storing bile E) emulsifying lipids, synthesizing clotting factors, and absorbing and inactivating lipid-soluble drugs
Which of the following describe an aging heart? Select all that apply.
_____ There is hypertrophy of the myocardium. _____ The valves become more flexible. _____ There is degeneration of the conduction system. _____ There is an increased number of autorhythmic cells in the SA node. What will be an ideal response?