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 B
Explanation
Correct Answer is B
Explanation
Choice A rationale:
Sedation Sedation is not typically associated with laxative use. Laxatives are primarily used to relieve constipation by promoting bowel movements, and sedation is not a common adverse reaction.
Choice B rationale:
Renal Impairment Renal impairment is a significant consideration when prescribing laxatives, especially those that may be excreted by the kidneys. In patients with renal impairment, there is a risk of drug accumulation, which could lead to potential adverse effects. The nurse should educate the client about this possibility to ensure their safety.
Choice C rationale:
Cramps Cramps are a possible adverse reaction to laxative use. Laxatives can cause gastrointestinal discomfort, including cramping and abdominal pain. However, it's essential to inform the client of this potential side effect so they can be prepared for it.
Choice D rationale:
Hepatic Impairment Hepatic impairment is not typically associated with adverse reactions to laxative use. Laxatives primarily affect the gastrointestinal system and do not directly impact the liver. Therefore, hepatic impairment is not a major concern when using laxatives.
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