When auscultating bowel sounds, borborygmi is characterized by:
A) absent sounds after 2 minutes of auscultation.
B) quiet sounds, occurring at less than 1/sec.
C) soft gurgles or clicks occurring at 5-30/min.
D) loud gurgles occurring greater than 30/min.
Answer: D) loud gurgles occurring greater than 30/min.
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Which of the following bacterial species is part of animal flora and transmitted to humans during close animal contact, including bites?
a. S. paucimobilis b. Eikenella corrodens c. P. multocida d. W. virosa
Which tissue lines all internal surfaces and the lining of the gut?
a. epithelial b. loose connective c. supportive connective d. fibrous e. adipose
Arteries differ from veins in that
A. veins carry blood to the internal organs of the body. B. arteries have valves that veins do not have. C. veins have thinner walls than arteries. D. the pressure in veins is greater than that in arteries.
When creating transgenic animals, as contrasted with the creation of transgenic bacteria,
a. it is necessary to carry out the procedure completely by hand. b. animals need donor eggs to contain the genetic material, while bacteria can have the new genes inserted into any bacterial cell. c. transgenic animals can be created in large numbers, while bacteria must be created one at a time to control contamination. d. the membranes of the bacteria must be disrupted to allow the genes to be taken up into the cell and animals do not require the host cell membrane to be disrupted. e. the membranes of the animal cell must be disrupted to allow the genes to be taken up into the cell and bacteria do not require the host cell membrane to be disrupted.