A nursing instructor is conducting a class on the different types of blood cells.
Which of the following would the instructor include as the correct function?
Erythrocytes supply our cells with oxygen from the lungs to the tissues.
Erythrocytes control bleeding from microscopic to major tears in our tissues.
Leukocytes supply our cells with oxygen from the lungs to the tissues.
Thrombocytes control bleeding.
The Correct Answer is A
Choice A rationale:
Erythrocytes, also known as red blood cells, are responsible for supplying our cells with oxygen from the lungs to the tissues. Hemoglobin, a protein within erythrocytes, binds to oxygen in the lungs and releases it in the body's tissues, ensuring that our cells receive the oxygen they need for metabolic processes. This is the primary function of erythrocytes.
Choice B rationale:
Erythrocytes do not control bleeding from microscopic to major tears in our tissues. Hemostasis, or the control of bleeding, is primarily the role of platelets (thrombocytes) and clotting factors in the blood. While erythrocytes are essential for oxygen transport, they are not directly involved in the process of controlling bleeding.
Choice C rationale:
Leukocytes, also known as white blood cells, are not responsible for supplying our cells with oxygen. Their primary function is to help our body fight infection and respond to various immune challenges, including bacterial and viral infections.
Choice D rationale:
Thrombocytes, also known as platelets, play a crucial role in controlling bleeding. They are responsible for the initial stages of hemostasis, forming blood clots to prevent excessive bleeding when blood vessels are damaged. This is their primary function, distinct from the role of erythrocytes in oxygen transport. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Instructing the patient to increase the next dosage if a dose is missed is not appropriate. This can lead to overdosage, which may result in adverse effects and complications. It's essential for the patient to take the medication as prescribed and not make up for missed doses in this manner.
Choice B rationale:
Ampicillin is an antibiotic and, as such, will not reduce the effectiveness of birth control pills. This is a misconception. Patients on antibiotics are often advised to use an additional form of contraception, such as condoms, to prevent unintended pregnancy, but the effectiveness of birth control pills is not reduced by ampicillin.
Choice D rationale:
There is no need to avoid skin care products like moisturizers while on penicillin therapy. Ampicillin and other penicillin antibiotics do not typically interact with these products. Therefore, this advice is not relevant to the patient's treatment.
Correct Answer is C
Explanation
Choice A rationale:
The goal of having the client state adverse reactions to report is important, but it is not the primary goal of antitubercular therapy. The main objective is to ensure that the client and their family understand the drug regimen to promote adherence and successful treatment. This is crucial in preventing drug-resistant tuberculosis and achieving the desired outcome.
Choice B rationale:
Maintaining adequate nutritional status is essential for overall health, but it is not the primary goal of antitubercular therapy. While good nutrition can support the immune system, the central goal should be related to medication adherence and preventing the spread of tuberculosis.
Choice D rationale:
Client managing the therapeutic regimen effectively is an important aspect of tuberculosis treatment, but this choice lacks the emphasis on educating the client and their family about the drug regimen, which is a fundamental component of successful therapy.
Choice E rationale:
The negative sputum culture is an indicator of treatment success, but it's more of an outcome measure than a goal for the client. The primary goal should focus on education and adherence to the drug regimen.
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