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.
Answer:
Explanation:
While passing through renal tubules, water and a lot of other substances are reabsorbed making filtrate concentrated. This also gradually results in an increase in the concentration of urea as it is not reabsorbed like water or glucose. Some substances like K+, H+ are also secreted (not urine).
why does our nose get stuffy when we have a cold
Answer:
Due to dilation of blood vessels in the sinuses of the nose
Explanation:
Often times, we think our nose gets stuffed up due to the excess mucus in times of cold but it is not always so.
We get stuffed due to the body's homeostasis, a drive to internally control and balance the outside environment.
- During cold, blood vessels dilate so as to allow for more inflow of blood.
- Incoming blood brings in more heat to the body parts.
Answer:
The most closely related are amphibians and reptiles.
The least related are amphibians and mammals
Explanation:
Amphibians broke off from reptiles, birds, and mammals around 260 millions years ago and next up are the reptiles which broke off around 225 million years ago. So they are the most closely related
Mammals are the last to break off, around 200 million years ago. So they are the least related to amphibians.
I'd think it's probably the recycling of newspapers, as trees are making of paper can be a reason for deforestation. With recycling of newspapers, fewer trees need to be cut down.
