1. Patients who have had mechanical heart valve replacement surgery need to take medication to alter the normal properties of their blood, in order to keep blood flowing and prevent blood from clotting in the mechanical heart valve. Which medication would most likely be prescribed to a patient with a mechanical valve?

A. Medication to increase blood volume.
B. Medication to decrease blood volume.
C. Medication to increase the viscosity of the blood.
D. Medication to decrease the viscosity of the blood.

2. A trauma patient enters the emergency room having undergone significant blood loss as a result of his injuries. Which of the following is likely to be a symptom this patient is experiencing?

A. Low blood pressure due to low blood volume.
B. High blood pressure due to high blood viscosity.
C. Low blood pressure due to narrowing of blood vessels.
D. High blood pressure due to increased resistance in blood vessels.

Cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? view available hint(s) cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? direct microscopic counts filtration count culture serial dilution count culture plate count culture

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity