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Pathologic fracture of two ribs on the right chest should be the current health problem that the nurse should consider as a consequence of the radiation therapy.
The appearance of two right-sided ribs with pathological fractures without evidence of trauma is associated with radiation injury because ribs lie in the radiation pathway and become less dense, thinner and more fragile over time.
Radiation therapy (also called radiation therapy) is a cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumours.
Low dose X-rays use radiation to look inside the body, such as his X-rays of teeth and fractures.
The most common early side effects are fatigue and skin changes. Other early side effects are usually related to the treated area and include hair loss and mouth problems when that area receives radiation therapy.
Delayed side effects may take months or years to develop. They can appear in normal tissues in the body that receive radiation. The risk of side effects after depends on the site treated and the radiation dose used.
A careful treatment plan can help prevent serious long-term side effects. It is always recommended to consult a radiation oncologist about the risk of long-term side effects.
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Answer:
The correct answer will be option D- blocking Cl channel.
Explanation:'
Quinidine is a stereoisomer of quinine derived from the bark of Cinchona plants which is used in the medication of the heart as class I antiarrhythmic agent. This alkaloid decreases the automaticity and increases the duration of the cellular action potential of the heart.
This alkaloid acts by blocking the neurotransmission through blocking of sodium and potassium channels responsible for the depolarization in non-nodal tissues like atrial cells, ventricular cells. This decrease in the neurotransmission of an action potential depends on the Ca⁺² ions and the quinidine can also act by blocking the Ca⁺² channels as well as B adrenergic receptor.
Thus, option D-blocking Cl channel is the correct answer.
There is no option provided related to the experiment that is conducted to test the effect of pepsin under various conditions. However, answering the question will be easier if students understand the conditions under which pepsin works best. Pepsin will be active and work best in acidic conditions with pH values ranging from 1.5 to 2.5.
<h3>Why would pepsin work better in acidic environments?</h3>
Pepsin is a digestive enzyme that aids in the digestion of proteins contained in food. Pepsin is secreted by gastric chief cells as a dormant zymogen known as pepsinogen. Parietal cells in the stomach lining release hydrochloric acid, which lowers the stomach's pH. Pepsin is activated by a low pH, 1.5 to 2, and works optimally at pH 1.8 since the carboxylic acid group, which is located on the amino acid in the active site of pepsin, must be protonated, or connected to a hydrogen atom. At low pH, the carboxylic acid group protonates, allowing it to catalyze the chemical process of chemical bond breakdown.
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