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notka56 [123]
3 years ago
5

A client presents to the emergency department with chest pain. on a scale of 1:10 he rates the pain as a 6. his respiratory rate

is 22. his blood pressure is 156/92. his heart rate is 110. he is afebrile. what other information should the nurse obtain before administering nitroglycerin?
Biology
1 answer:
Contact [7]3 years ago
4 0
Is he taking any drugs for sexual enhancement or erectile dysfunction!?!?

Nitroglycerin is a vasodilator, which means that it relaxes and dilates (widens) blood vessels; this is a positive effect for coronary arteries, whose narrowing and/or occlusion (blockage) may be the cause of [cardiac] chest pain.
But, other vessels throughout the body also dilate, which can be good in hypertension.
However, a specific class of drugs known as phosphodiesterase-5 inhibitors (PDE-5-I), which includes sex-enhancing drugs for erectile dysfunction (ED), will irreversibly keep body vessels dilated when nitroglycerin is also present in the bloodstream. This can lead to a life-threatening pooling of blood of the arms and legs (extremities) and lower body, keeping adequate blood from reaching the heart, lungs, and brain. This emergency is known as vasogenic shock!
Examples of PDE-5 inhibitors are Viagra, Levitra, and Cialis. [generic names of this class are: vardenafil, sildenafil, tadalafil and avanafil]
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Lubov Fominskaja [6]

Answer:

With regard to bone decalcification secondary to hypocalcemia, what an endocrinologist and an orthopedist have in common is that they both focus on calcium levels.

Explanation:

Endocrinology and traumatology are two different medical specialties, however they can together treat a person with a metabolic disorder affecting the bones.

In the case of a person with thyroid problems, where probably the parathyroid glands are affected, there are low levels of calcium in the blood —hypocalcemia— which affects the bones secondarily by decalcification, both the endocrinologist and the traumatologist will coincide in the treatment of the serum calcium levels:

  • <u>Endocrinologist</u> will treat the hormonal problem that produces low calcium in the blood.
  • <u>Orthopedist</u> will indicate a calcium replacement treatment to improve the levels of the mineral in the blood, and restore the calcium lost by the bones.

The joint treatment of both specialists can guarantee the recovery of a patient with problems in the metabolism of calcium.

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3 years ago
Histones are essentially identical in sequence/structure in all eukaryotic organisms from yeast to plants to animals. What does
xxTIMURxx [149]

Answer:

It indicates that core histone genes were present in the last common ancestor of yeasts, plants, and animals

Explanation:

Histones are highly basic proteins that can strongly interact with DNA, which is packaged into nucleosomes, the basic structural and functional unit of chromatin. Each nucleosome is composed of approximately 147 base pairs of DNA wrapped around a core of eight histone proteins (two copies of four types of histones H3, H4, H2A, H2B). These core histones are evolutionarily conserved across eukaryotic kingdoms in terms of sequence and structure. Therefore, DNA-packaging into nucleosomes is considered a constraint for the evolution of core histones. Moreover, the presence of conserved core histones in eukaryotic kingdoms (e.g., yeast, plant, and animal kingdoms) is strong evidence that histone-mediated DNA packaging was presumably present in the last common ancestor of eukaryotic genomes.

5 0
3 years ago
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olga nikolaevna [1]

Answer:

D

Explanation:

The purpose of meiosis is to produce gametes, somatic cells or sex cells. So The answer would be D

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