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const2013 [10]
3 years ago
12

Antibiotic prophylaxis is prescribed for a 2-year-old child with a cardiac malformation who is awaiting corrective surgery. the

nurse explains to the child's parents that the antibiotic will prevent what?
Biology
1 answer:
Andreas93 [3]3 years ago
8 0

The nurse should explain that during surgery, an antibiotic prophylaxis is administered to prevent the incidence of surgical site infection. The use of antibiotic before the procedure is just one of many actions taken to help reduce the rate of wound infections. Furthermore, the initial dose must be given most likely within 30 minutes before incision. Then, the next dose is at one to two half-lives of the antibiotic, which is recommended for the duration of the surgery. Thus, appropriate timing of dose is essential to the effectiveness of the antibiotic.

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The likelihood that the first two offspring of the cross will have congenital analgesia would be 1/16

<h2>Autosomal Recessive Traits</h2>

For autosomal recessive traits, two recessive alleles are needed for the trait to manifest while one recessive allele means heterozygosity.

In this case, let us assume that congenital analgesia is represented by the allele b; heterozygous individuals will, thus, be Bb.

            Bb    x    Bb

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Likelihood of the first two offspring having congenital analgesia = probability of first having congenital analgesia and the second having congenital analgesia

    = 1/4 x 1/4

        = 1/16

More on genetical probabilities can be found here: brainly.com/question/851793?referrer=searchResults

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