What is the term for a solution with the same solute concentration as human blood?
Hypertonic
Hyperosmolar
Isotonic
Hypotonic
The Correct Answer is C
A. Hypertonic: Hypertonic solutions have a higher solute concentration than human blood, causing water to move out of cells and leading to cellular shrinkage. These solutions are used in specific clinical situations such as reducing cerebral edema. They do not match normal plasma osmolality.
B. Hyperosmolar: Hyperosmolar refers to a solution with increased total osmoles per liter, which may or may not be equal to blood concentration. This term describes osmotic strength rather than equivalence to plasma. It does not specifically indicate the same solute concentration as blood.
C. Isotonic: Isotonic solutions have the same solute concentration and osmotic pressure as human blood plasma. They do not cause net fluid movement into or out of cells, maintaining normal cell size and function. Common examples include 0.9% normal saline and lactated Ringer’s.
D. Hypotonic: Hypotonic solutions have a lower solute concentration than blood, causing water to move into cells and potentially leading to cellular swelling. These fluids are used cautiously due to the risk of edema. They do not match plasma solute concentration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Calculation:
- Identify the total volume and infusion time
Total Volume: 1500 mL
Infusion Time: 10 hours
- Calculate the infusion rate
Infusion Rate (mL/hr) = Total Volume ÷ Time
Infusion Rate = 1500 ÷ 10
= 150 mL/hr
Correct Answer is ["A","B","C","E"]
Explanation
A. Client's name: The client’s full legal name is a standard and reliable identifier used to confirm identity before administering medications, treatments, or procedures. It is widely accepted in patient safety protocols.
B. Client's medical record number: The medical record number is unique to each client and serves as a secure identifier in the healthcare system. It ensures accurate documentation and prevents errors when accessing client records.
C. Client's date of birth: The date of birth is a consistent and verifiable identifier, often used in combination with name or medical record number to accurately confirm client identity.
D. Client's favorite color: Personal preferences such as favorite color are not standardized, verifiable, or reliable identifiers. They do not meet safety or regulatory standards for client verification.
E. Client's phone number: A phone number can serve as an additional identifier when cross-checking records, especially in outpatient or telehealth settings. It provides a verifiable, unique data point linked to the client.
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