Which of the following statements regarding sepsis is incorrect?
A. A sample of blood plated on a variety of bacterial media is a good method to identify the causative organism in sepsis.
B. Both gram-negative and gram-positive bacteria in the blood can induce sepsis.
C. The presence of microbes in the blood results in increased viscosity, and a rise in blood pressure is a hallmark of sepsis.
D. The Gram-negative cell envelope stimulates an inflammatory response that leads to endotoxic shock.
Answer: C
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Anti-inflammatory medication would suppress
A. the release of cytokines. B. vasodilation. C. leukocyte movement through the capillary wall. D. the release of nitric oxide from endothelial cells. E. All of these statements are correct.
A therapeutic approach that tries to get a person's own immune system more involved in the fight against malignant cells is called ________.
a) active immunotherapy b) indirect immunotherapy c) passive immunotherapy d) adaptive immunotherapy
Which of the following is a unique characteristic of oysters and mussels?
a. secreting nacre around foreign particles b. having tusk shells buried in the sand c. using beak-like jaws to catch prey d. living inside multi-chambered shells
Which of the following is a difference between
movement in the xylem and movement in the phloem?
a. movement in the phloem is by a pushing action; movement in the xylem is by a pulling action b. movement in the phloem occurs through nucleated cells; movement in the xylem occurs through non-nucleated cells c. movement in the phloem is always down; movement in the xylem is always up d. movement in the phloem starts in the roots; movement in the xylem starts in the leaves e. all of these are differences between movement in the xylem and movement in the phloem