Why is urinalysis used for medical and drug testing? Give several examples of tests that can be performed through urinalysis
What will be an ideal response?
Urinalysis tells us about the general health of body organs. It can detect a variety of substances that an individual may have filtered from the bloodstream. Because urine consists of about 95% water, the remaining 5% consists of other substances from the body. These materials can be drugs, microorganisms, small molecular subunits of nutrients (such as glucose), or various cellular components (red blood cells or white blood cells are abnormal constituents of urine). Any substance that is ingested, inhaled, or injected may show up in the analysis, depending on the solubility of the compound. These analyses can also be used to determine the general health of an individual.
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Which of the following diseases CANNOT easily be controlled by vector elimination?
A) yellow fever B) dengue fever C) rabies D) plague
When both dominant and recessive alleles are present within a single nucleus, the organism is for the trait
a. diploid b. haploid c. homozygous d. heterozygous
Which statement is true of homologous chromosomes?
a. They are of unequal length. b. Each gamete receives one member of each pair. c. There are 46 pairs in humans. d. They are identical in every way. e. They include all chromosomes except X and Y.
The function of erythropoietin is
a) reabsorption of sodium ions b) excretion of potassium ions c) reabsorption of water d) to stimulate red blood cell production e) to increase blood pressure