What is the name of the process by which white blood cells move in and out of blood vessels?
A) diffusion
B) diapedesis
C) amoeboid motion
D) positive chemotaxis
B
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A 62-year-old woman undergoes a Nissen fundoplication, in which the fundus of the stomach is completely sutured around the gastroesophageal junction, to treat a severe case of gastroesophageal reflux disease (GERD). During the procedure, the surgeon accidentally damages the right (posterior) vagal trunk while inserting staples into the stomach. Which of the following organs is most likely affected?
(A) Esophagus (B) Urinary bladder (C) Descending colon (D) Prostate gland (E) Second part of the duodenum
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
The property of heart muscle to contract in the absence of neural or hormonal stimulation is called
A) intrinsic. B) extrinsic. C) automaticity. D) self-replicating. E) self-starting.
Flow of air
A) is directly proportional to the resistance, and flow decreases as the pressure of the system increases. B) is directly proportional to a pressure gradient, and flow increases as the resistance of the system increases. C) is directly proportional to a pressure gradient, and flow decreases as the resistance of the system increases. D) is directly proportional to the resistance, and flow increases as the resistance of the system increases. E) None of the answers are correct.