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 ["A","C","D"]
Explanation
A. Verify the client's identity using two client-specific identifiers: Using two identifiers such as name and date of birth is a core medication safety standard endorsed by patient safety organizations. This practice reduces the risk of medication errors related to misidentification. Identifiers must be client-specific and consistent across documentation.
B. Rely exclusively on electronic barcoding systems for client verification: Barcoding supports safety but does not replace direct identity verification. Technology can fail or be bypassed, making human verification essential. Best practice combines electronic systems with active client identification.
C. Compare the client's ID band information with the MAR: Matching the information on the identification band with the medication administration record ensures consistency between the client and the prescribed medication. This step directly links the medication order to the correct individual. It is a standard checkpoint before administration.
D. Ask the client to verbalize their name and check it against the MAR: Having the client state their name actively engages them in the safety process and helps confirm identity. This method is especially effective when combined with ID band verification. It reinforces accuracy before medication administration.
E. Use only the client's room number for identification: Room numbers are not unique identifiers and can change during hospitalization. Using them increases the risk of administering medications to the wrong client. This method does not meet patient safety standards.
F. Ask the client's family member to identify the client: Family members may provide incorrect information and are not reliable identifiers. Identification must come from the client or official documentation. This approach does not meet medication administration safety guidelines.
Correct Answer is C
Explanation
A. QHS: This abbreviation stands for “every night at bedtime” and is used to indicate the timing of medication administration, not frequency on alternating days.
B. BID: BID means “twice a day” and specifies that the medication should be administered approximately every 12 hours. It does not indicate alternating day dosing.
C. QOD: QOD is the standard abbreviation for “every other day,” indicating that the medication should be given on alternating days. This abbreviation is commonly used in outpatient and inpatient orders to simplify scheduling.
D. TID: TID stands for “three times a day,” usually spaced about every 8 hours, and does not reflect an every-other-day schedule.
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