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loris [4]
3 years ago
9

A case-control study was conducted to evaluate the relationship between aspirin use and the risk of colon cancer. 2,000 cases an

d 2,000 controls were enrolled in the study. 1,800 of the cases reported using aspirin in the past while 1,200 of the controls reported using aspirin in the past. What measure of association should be calculated to determine the strength of the relationship between aspirin and colon cancer
Medicine
1 answer:
-Dominant- [34]3 years ago
6 0

Answer:

0000000000000000pppppp000000000000

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As an x-ray tube ages, the inside can become coated with tungsten, which can cause ____ in the tube.
olga2289 [7]

As an x-ray tube ages, the inside can become coated with tungsten, which can cause arcing in the tube.

When there is a short circuit inside the tube, usually from the cathode to the tube envelope, tube arcing happens. A brief loss of x-ray output and a localised artefact are the consequences. On transaxial computed tomography (CT) scans, it appears as a near-parallel, equidistant streak pattern, and on coronal and sagittal CT images, as a "horizontal" hypodense band.

The most frequent cause of x-ray tube failure is an inability to effectively disperse the heat produced during routine operation. It is common knowledge that at the anode target, heat accounts for 99% or more of the kinetic energy given to the electron beam.

Therefore, an x-ray tube ages, the inside can become coated with tungsten, which can cause arcing in the tube.

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6 0
1 year ago
Rotation sites for insulin injection should be separated from one another by 2.5 cm (1 inch) and should be used only every:
Nikolay [14]

The rotation sites for insulin injection should be separated from one another by 2.5 cm (1 inch) and should be used only every 2-3 weeks.

<h3>What is insulin injection?</h3>

Generally, Insulin is a hormone that helps glucose enter the cells of the body, lowering the amount of glucose in the blood.

In conclusion,  2-3 weeks is the appropriate time frame for insulin injection

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7 0
2 years ago
2. what are skeletal muscles responsible for moving?
pogonyaev

Answer:

This is because it helps our bones to contract

Explanation:

5 0
3 years ago
The article lists numerous sports in which an individual can compete. In a few sentences, select an activity from the list you t
Anna [14]

Answer:

From the list of individual sports in which an individual can compete, like swimming, diving, running, ice skating, wrestling, gymnastics, golf, tennis, skateboarding, in-line skating, biking, martial arts, and bowling, I think that swimming would be the most strenuous to play because it requires strength in specific muscle groups, endurance, and lots of power.

Explanation: just copy and paste :)

3 0
3 years ago
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the pharmacy receives a prescription for keflex 250 mg q6h x 7 days. How many 250 mg capsules are needed to fill the prescriptio
Dmitriy789 [7]

Answer:

B. 28

Explanation:

24 h/ 6h= 4 times

1 day -> 4 capsules

7 days -> x

x= (7 days*4 capsules)/ 1 day

x= 28 capsules

3 0
4 years ago
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