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AfilCa [17]
3 years ago
13

If a chemist wants to do a presumptive test on an unknown substance for the presence of cocaine, which test reagent should they

use?
Medicine
1 answer:
marysya [2.9K]3 years ago
6 0
Marquis reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of formaldehyde and concentrated sulfuric acid, which is dripped onto the substance being tested.
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Skeletal traction is applied directly to the bone and uses opposing forces to create the traction. Nursing care of the patient w
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Answer:

The answer are A, B and C

Explanation:

Skeletal traction is a temporary way of handling some types of fractures. It consists in the application of a force to a body part. Its use is to minimize muscle spasms, reduce, align and immobilize fractures, reduce deformities. Pulley lines and weights are used, which must be free of any obstacles, the weight should not rest on the bed. sheets must be changed daily for hygiene; and the patient's uncommitted foot should rest freely in the bed.

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A young woman contracted a gonorrheal infection that was successfully treated with antibiotics. In considering the likelihood of
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Answer:

She should always be careful.   she could be reinfected at any time.

Explanation:

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2 years ago
As filtrate moves down the loop of henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so __
IrinaVladis [17]

<u>As filtrate moves down the loop of henle, the surrounding interstitial </u><u>fluid </u><u>becomes </u><u>more </u><u>concentrated than the filtrate, so  </u><u>water</u><u> leaves the filtrate.</u>

What is the movement of substances from the blood into the proximal tubule?

  • In the urine of experimental rodents and humans (eating a Western-style diet), urea is the most prevalent solute.
  • In comparison to plasma and extracellular fluids, it is significantly more concentrated in urine.

Which part of the tubule is permeable to water only under the influence of ADH?

  • ADH operates on the distal tubules and collecting ducts, increasing their water permeability to counterbalance that shift.
  • Reabsorbing water as a result lowers blood osmolarity, concentrates urine, and decreases urine volume.

What does white cells in urine mean?

  • If your doctor performs a urine test and discovers an excessive number of leukocytes, this may indicate an infection.
  • White blood cells called leukocytes assist your body in battling pathogens.
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5 0
1 year ago
a person suffering from osteomalacia is prone to group of answer choices high blood pressure. diseased gums. bowed legs. bone fr
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Someone laid low with osteomalacia is liable to institutional <u>bone fractures</u>.

The maximum commonplace reason for osteomalacia is a loss of diet D. In kids osteomalacia is referred to as rickets humans at risk for developing gentle bones generally possess one or more bone factors associated with low nutrition D stages. these hazardous elements may come from environmental, genetic, and dietary sources.

All and sundry who would not have enough vitamin D are in danger of developing osteomalacia. The best source of nutrition D is sunshine on pores and skin a few humans don't get sufficient sunshine on their pores and skin and this increases their chances.

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7 0
1 year ago
My triglycerides are 350. Can I have a heart attack?.
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Levels of 151-200 mg/dL are considered borderline high, while those above 200 mg/dL are linked to a higher risk for heart attack and stroke. Fasting TG levels over 500mg/dL increases the risk for a serious condition called pancreatitis.

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3 years ago
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