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Arisa [49]
3 years ago
13

**GIVING A LOT OF POINTS**which tool would help a scientist observe cells

Medicine
2 answers:
iogann1982 [59]3 years ago
3 0

Answer:

B. Microscope and A. medical scans of the body

Explanation:

sorry if I'm wrong

mote1985 [20]3 years ago
3 0
The correct answer is 1).B 2) A
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Trace the path of a red blood cell from the renal artery to the glomerulus:
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The answer is C. 1,3,2,4
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3 years ago
Which scba limitation would a firefighter be able to overcome through physical fitness and regular medical evaluations?
Reika [66]

<u>Insufficient </u><u>lung </u><u>capacity</u> is scba limitation would a firefighter be able to overcome through physical fitness and regular medical evaluations.

<h3>What are the limitations of respirator?</h3>

Full-face respirators are bulkier than half-masks and are frequently less pleasant to use. Full-face air purifying respirators cannot be utilized for all sorts of air contaminants because the type and capacity of the filters and cartridges used limit their use.

<h3>What is the capacity of SCBA?</h3>

SCBA Cylinders are available in five sizes to accommodate all <em>Self Contained Breathing Apparatus</em> (SCBA) and Emergency Escape Breathing Devices: 2L, 3L, 6.8L, 9L, and 10L. (EEBD).  

The SCBA delivers compressed oxygen from the oxygen cylinder to the wearer via cylinder valves, pressure reducers, demand valves, and other components. The absorbing canister absorbs carbon dioxide from exhaled air, and the breathing bag resupplies oxygen.

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5 0
1 year ago
I need your help!
frez [133]

Answer: All the teens are trying to get the Green !

Meat is okay but I dont really carrot's (care it's) not good for you

Explanation:

5 0
3 years ago
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Several studies have found that in the United States, their is a rising trend of obesity for people between the ages of 2 and 19
ale4655 [162]

I DID NOT COPY THIS. THIS IS ALL ORIGINAL: THIS TOOK 1/2 an hour to write. Hope this helps

Buried in recent headlines is the sobering fact that obesity is still on the rise in the United States. The latest federal data show that nearly 40 percent of American adults were obese in 2015–16, up from 34 percent in 2007–08. The prevalence of severe obesity also went up during the same period, from 5.7 percent to 7.7 percent. In 1985, no state had an obesity rate higher than 15 percent. In 2016, five states had rates over 35 percent.

Obesity is a grave public health threat, more serious even than the opioid epidemic. It is linked to chronic diseases including type 2 diabetes, hyperlipidemia, high blood pressure, cardiovascular disease, and cancer. Obesity accounts for 18 percent of deaths among Americans ages 40 to 85, according to a 2013 study challenging the prevailing wisdom among scientists, which had placed the rate at around 5 percent. This means obesity is comparable to cigarette smoking as a public health hazard; smoking kills one of five Americans and is the leading preventable cause of death in the United States.

The obesity crisis may be less dramatic than the opioid epidemic now gripping the nation, but it is just as deadly. Opioids accounted for around two-thirds of the 64,000 deaths related to drug overdose in 2016. Excess body weight leading to cancer causes about 7 percent of cancer-related deaths, or 40,000 deaths each year. This number doesn’t include deaths from the many other medical conditions associated with obesity. Obese people are between 1.5 to 2.5 times more likely to die of heart disease than people with normal body mass indices (BMIs).

There are also substantial economic losses associated with obesity. The medical costs of prevention, diagnosis, and treatment are estimated at $147 billion in 2008 dollars. Reduced economic productivity adds to these losses.  

Because rising obesity is attributed to an increase in caloric intake and a reduction in physical activity, many proposed solutions emphasize food and exercise. While such remedies may help in individual cases, policy solutions are almost certainly required to fight this alarming epidemic.    

Despite the thriving U.S. weight-loss market (worth $66 billion in 2017), there is no evidence that diet-related programs will curb obesity. Numerous studies indicate that diets are not effective in controlling or reversing weight gain. In fact, 50 percent of dieters weighed more than 11 pounds over their starting weight five years after their diet, according to one study.

A comprehensive discussion of the policy solutions to obesity is beyond the scope of this piece, and the jury is still out on which policies — targeting sugar consumption through taxes on sugary food and beverages, regulating nutrition labels to make them more effective in informing consumers, and limiting the advertising and marketing of unhealthy food, particularly to children — might curb the epidemic.

Taxing potentially harmful food products has shown some promise, though it is a politically fraught approach. A small number of American cities, including Philadelphia, Boulder, Colo., and Berkeley, Calif., have begun taxing sugar-sweetened beverages. Early results show that an excise tax on sugary drinks led to a 21 percent drop in their consumption in Berkeley.

Berkeley is hardly the epicenter of the obesity problem in the U.S., as the map shows, but the intervention’s success offers hope for the rest of the country. A peer-reviewed modeling study based on the Berkeley experience estimated that if a national sugar-sweetened beverages tax were implemented, it would result in lower national consumption of these drinks and reduced adult and child BMIs. Whether such a policy could be replicated nationally remains uncertain.2

When it comes to nutrition labels, there’s almost no evidence that these have an effect on consumers’ dietary intake, body weight, and overall health.  

8 0
3 years ago
The licensed practical nurse (LPN) is performing a purified protein derivative (PPD) test on a nursing home resident. Which stat
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The preferred injection site is the ventral surface of the forearm and the purified protein derivative (PPD) test is an intradermal test.

<h3 /><h3>Purified protein derivative</h3>

Currently, the only skin test reagent for tuberculosis diagnosis that is commercially accessible is called purified protein derivative (PPD) (TB). The purpose of this work was to create a Mycobacterium tuberculosis-specific skin test reagent that would not produce false positive findings from the Bacillus Calmette-Guerin (BCG) vaccine utilizing recombinant antigens. By comparing the proteins in the M. tuberculosis culture filtrate to the proteins in PPD IC-65 using tandem mass spectrometry, 54 proteins were discovered to be shared. Top candidates ESAT 6, CFP 10, and MPT64 were overexpressed in Escherichia coli expression strains and isolated as recombinant proteins. The antigens were tested on guinea pigs that had been exposed to M. tuberculosis H37Rv and BCG to determine the best immunodiagnostic PPD combinations to use.

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8 0
2 years ago
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