The patient's family is asking questions about the medications used in the treatment for shock. The nurse explains that dopamine is one of the drugs being used and that it works:
(Select All that Apply.)
At high doses, to treat anaphylaxis.
At high doses, to increase cardiac output.
At low doses, to cause increased blood flow to the kidneys.
At low doses, to treat anaphylaxis.
To cause vasoconstriction and increase blood pressure.
Correct Answer : B,C,E
A. At high doses, to treat anaphylaxis: Dopamine is not used to treat anaphylaxis. Anaphylaxis is typically managed with medications such as epinephrine, antihistamines, and corticosteroids.
B. At high doses, to increase cardiac output: Dopamine is a medication commonly used in the treatment of shock, particularly in cases of hypotension. At higher doses, dopamine acts as a positive inotrope and increases cardiac contractility, thereby improving cardiac output and increasing blood pressure.
C. At low doses, to cause increased blood flow to the kidneys: At lower doses, dopamine primarily acts on dopaminergic receptors in the renal vasculature, leading to vasodilation of the renal blood vessels and increased renal perfusion. This can help improve renal blood flow and urine output, making it beneficial in cases of renal hypoperfusion or acute kidney injury.
D. At low doses, to treat anaphylaxis: Dopamine is not used to treat anaphylaxis at any dose. Anaphylaxis is managed with medications such as epinephrine, which acts on multiple receptors to reverse the systemic effects of the allergic reaction.
E. To cause vasoconstriction and increase blood pressure: Dopamine can also cause vasoconstriction, particularly at higher doses. This effect is mediated through its action on alpha-adrenergic receptors, leading to peripheral vasoconstriction and an increase in systemic vascular resistance, which in turn helps increase blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) H2-receptor blockers:
H2-receptor blockers, such as ranitidine and famotidine, are commonly used to reduce stomach acid production and treat peptic ulcer disease. They help promote ulcer healing and alleviate symptoms. These medications are generally safe and appropriate for use in clients with peptic ulcer disease.
B) Antacids:
Antacids are medications that neutralize stomach acid and provide symptomatic relief from peptic ulcer disease. While they do not directly treat the underlying cause of the ulcer, they can help alleviate symptoms such as pain and discomfort. Antacids are generally safe for use in clients with peptic ulcer disease.
C) PPIs (Proton Pump Inhibitors):
PPIs, such as omeprazole and pantoprazole, are potent acid-suppressing medications commonly used to treat peptic ulcer disease and gastroesophageal reflux disease (GERD). They are effective at reducing stomach acid production and promoting ulcer healing. PPIs are generally safe and appropriate for use in clients with peptic ulcer disease.
D) NSAIDs (Nonsteroidal Anti-Inflammatory Drugs).
NSAIDs, such as ibuprofen, aspirin, and naproxen, can exacerbate peptic ulcer disease by increasing the risk of gastric irritation, erosion, and ulceration. These medications inhibit the production of prostaglandins, which help protect the stomach lining. Chronic or excessive use of NSAIDs can lead to the development of new ulcers or worsening of existing ulcers. Therefore, clients with peptic ulcer disease are typically advised to avoid NSAIDs or to use them with caution under the guidance of a healthcare provider.
Correct Answer is D
Explanation
A) Inspiration:
Inspiration refers to the process of inhaling or breathing in air into the lungs. It involves the contraction of the diaphragm and expansion of the chest cavity, leading to the intake of air into the lungs.
B) Expiration:
Expiration, also known as exhalation, refers to the process of exhaling or breathing out air from the lungs. It involves the relaxation of the diaphragm and chest muscles, leading to the expulsion of air from the lungs.
C) Respiration:
Respiration is a broader term that encompasses both ventilation (the mechanical process of breathing) and gas exchange (the exchange of oxygen and carbon dioxide between the lungs and blood). While respiration involves both air movement and gas exchange, it does not specifically refer to blood flow through the lung, which is described by the term perfusion.
D) Perfusion.
Perfusion refers to the circulation of blood through the lung's blood vessels, including the pulmonary arteries and pulmonary capillaries. This process allows for the exchange of gases (oxygen and carbon dioxide) between the blood and the air in the lungs during respiration. Perfusion is essential for oxygenating blood and removing carbon dioxide, which is crucial for maintaining normal cellular function throughout the body.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.