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How do you get a positive skin allergy test and a negative blood allergy test. I had food allergy tests and came back level 4 allergic for several foods and then the blood tests came back negative.?
Wiki User
∙ 14y ago
If the site of the scratch test is compromised by a known allergen (say a sweater with animal dander touches the back or arm) it will produce a false positive.
Wiki User
∙ 14y ago
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Why is the product positive when there is an even number of negative factors?
Due to the sign rules for multiplication, if you multiply several negative numbers, you'll get a result that is alternately negative, positive, negative, positive, etc.
How do you write a equation when the sum of a positive number and several negative numbers will be positive?
if p represents your positive number, and n represents all of your negative numbers, then: |∑n| < p
How would you write out a conditions when the sum of a positive number and several negative numbers will be positive?
if p represents your positive number, and n represents all of your negative numbers, then: |∑n| < p
List the conditions when the sum of a positive number and several negative numbers will be positive?
This is not my answer but one posted by a classmate of mine. The positive number must be greater than the absolute value of the sum of the negative numbers
Can you give an example when the sum of a positive number and several negative numbers will be positive?
100+(-6)+(-23)+(-7) = 64
Is Na negative?
Written like that it's neither negative nor positive; it's neutral.Sodium is much (as in several orders of magnitude) more likely to form a cation (positive) than an anion (negative), though.
What is a chemical bond and how is it created?
There are several types of chemical bonds. An ionic bond, for example is when two elements have opposite charges are attracted to each other. A positive and a negative charge or a negative and a positive charge can be attracted to each other. If a positive and a positive are attracted to each other or a negative and a negative are attracted, that's considered an immoral bond.
What are the 3 types of blood?
could you be more specific there are several types of blood O, AB, A, & B. Each of which could be positive or Rh negative.
How does religion impact society in a positive or negative way?
There are several positive and negative aspects. For example:* Positive: religions often serve as a moral guide, and as inspiration for moral and ethics. * Negative: religious fanaticism has led people to commit all sorts of crimes in the name of religion.
Are calico's high allergy cats?
Sorry, but calico is just a coat color, not a breed, so that tells nothing of how someone could react to it. Focus on the breed of cat and look to see if the breed is known for causing people to have allergic reactions. There are several breeds that are "low allergy" for you to choose from.
Is the sum of a positive number and several negative numbers positive?
Possibly, but not definitely. There is no rule that determines the sign of a sum when many numbers are involved.
What actor was first cast in wizard of oz as tinman but had to be replaced due to allergy?
Buddy Epsen was replaced, because he was allergic to the Tin Man makeup. He outlived everyone of the major actors in the movie by several years.
