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Algebra of Vectors

Learning Objectives By the end of this section, you will be able to: Vectors can be added together and multiplied by scalars. Vector addition is associative (Equation 2.8) and commutative (Equation 2.7), and vector multiplication by a sum of scalars…

Mechanisms of Other Antimicrobial Drugs

Learning Objective Because fungi, protozoa, and helminths are eukaryotic, their cells are very similar to human cells, making it more difficult to develop drugs with selective toxicity. Additionally, viruses replicate within human host cells, making it difficult to develop drugs…

Fermentation

Learning Objectives By the end of this section, you will be able to: Many cells are unable to carry out respiration because of one or more of the following circumstances: Whereas lack of an appropriate inorganic final electron acceptor is…

Death and Dying

Learning Objectives By the end of this section, you will be able to: Understanding the intricacies of human emotions and experiences is as crucial as any medical procedure or treatment plan. As caregivers, nurses navigate a variety of human emotions,…

Obstetrical Conditions Affecting Labor and Birth

Learning Objectives By the end of this section, you will be able to: During labor, complications can occur that involve the amniotic fluid, such as oligohydramnios or polyhydramnios, meconium passage, precipitous labor, and infection. Complications can occur because of fetal…

Meso Compounds

Let’s look at another example (Section 5.4) of a compound with more than one chirality center: the tartaric acid used by Pasteur. The four stereoisomers can be drawn as follows: The 2R,3R and 2S,3S structures are nonsuperimposable mirror images and therefore represent…

Trends in the Business Environment and Competition

Trends in the business and economic environment occur in many areas. As noted earlier, today’s workforce is more diverse than ever, with increasing numbers of minorities and older workers. Competition has intensified. Technology has accelerated the pace of work and…

Achieving Macroeconomic Goals

To reach macroeconomic goals, countries must often choose among conflicting alternatives. Sometimes political needs override economic needs. For example, bringing inflation under control may call for a politically difficult period of high unemployment and low growth. Or, in an election…