The most common source of life-threatening meningitis is
A) streptococcus pneumoniae.
B) fungal infection.
C) haemophilus influenzae.
Answer: A) streptococcus pneumoniae. Bacterial meningitis is the most serious form of the disease. The most common causative organism of bacterial meningitis is streptococcus pneumoniae.
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________ Inhalation increases the size of the thorax
Indicate whether the statement is true or false
Define and contrast two connective tissues properties: elasticity and plasticity
a. Elasticity is the ability of tissues to return to their original shape after being deformed. Plasticity is deformation of tissues beyond their elastic limit, which results in irreversible changes. b. Elasticity is the inability of tissues to return to their original shape after being deformed. Plasticity is deformation of tissues beyond their elastic limit, which results in irreversible changes. c. Elasticity is the ability of tissues to return to their original shape after being deformed. Plasticity is deformation of tissues beyond their elastic limit, which results in reversible changes. d. Elasticity is the ability of tissues to return to their original shape after being deformed. Plasticity is regeneration of tissues beyond their plastic limit, which results in irreversible changes.
Which of the following is a response to histamine release?
A) Release of leukotrienes B) Increase in blood flow at the site of injury C) Decrease in vascular wall permeability D) Suppression of lysosomal enzymes
Blind randomized trials are
A) new tools which scientists can use to examine millions of compounds a year to screen for good ideas or drug leads B) phase I research studies C) phase II research studies D) studies where volunteers do not know whether they are receiving the drug, a placebo, or standard treatment