Answer:
- gravity force
- magnetic force
- electric force
- nuclear force
- frictional force
are the example of forces......
The client need more explanation from the nurse regarding the contraindications of chewing, crushing, or ingesting Nitroglycerin sublingual pills. The tablet should be dissolved by placing it beneath the tongue or in the space between the cheek and gum.
<h3>What key elements would the nurse emphasize while teaching the client how to use nitroglycerin to treat angina?</h3>
Adults: At the first indication of an angina attack, insert 1 tablet under the tongue or in the space between the cheek and gum. Use 1 pill as needed, up to 15 minutes at a time, every 5 minutes. Take no more than three tablets in a 15-minute period. Use 1 tablet 5 to 10 minutes prior to the activity to prevent angina from stress or exertion.
<h3>When administering nitroglycerin, what should be observed?</h3>
Any nitroglycerin-treated patient who experiences hypotension should have a trial IV fluid delivery. Fluid administration to patients with any form of heart failure is subject to standard safety procedures, including monitoring of blood pressure and lung sounds.
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Answer:
Polymerase chain reaction, or PCR, is a technique to make many copies of a specific DNA region in vitro (in a test tube rather than an organism).
PCR relies on a thermostable DNA polymerase, Taq polymerase, and requires DNA primers designed specifically for the DNA region of interest.
In PCR, the reaction is repeatedly cycled through a series of temperature changes, which allow many copies of the target region to be produced.
PCR has many research and practical applications. It is routinely used in DNA cloning, medical diagnostics, and forensic analysis of DNA.
PCR:
Polymerase chain reaction (PCR) is a common laboratory technique used to make many copies (millions or billions!) of a particular region of DNA. This DNA region can be anything the experimenter is interested in. For example, it might be a gene whose function a researcher wants to understand, or a genetic marker used by forensic scientists to match crime scene DNA with suspects.
Typically, the goal of PCR is to make enough of the target DNA region that it can be analyzed or used in some other way. For instance, DNA amplified by PCR may be sent for sequencing, visualized by gel electrophoresis, or cloned into a plasmid for further experiments.
PCR is used in many areas of biology and medicine, including molecular biology research, medical diagnostics, and even some branches of ecology.