Which of the following samples is used to measure blood pH and blood gases?
Capillary blood
Arterial blood
Venous blood
Cerebrospinal fluid
The Correct Answer is B
A. Capillary blood: Capillary blood can be used in some cases, especially in infants, but it is less accurate than arterial blood for measuring blood pH and gases.
B. Arterial blood: Arterial blood is the correct sample for measuring blood pH and gases (such as oxygen and carbon dioxide levels) because it reflects the gas exchange occurring in the lungs.
C. Venous blood: Venous blood is not typically used for measuring blood gases as it does not accurately reflect the oxygenation status of the body.
D. Cerebrospinal fluid: Cerebrospinal fluid is not used for measuring blood pH and gases; it is typically analyzed for conditions affecting the brain and spinal cord.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. To record the patient's demographic information: Demographic information is recorded in other sections of the medical record, not in a flow sheet.
B. To record the patient's name, insurance, and next of kin: This information is also found in other sections of the medical record, not typically in a flow sheet.
C. To record nursing plans and postoperative care: Nursing plans and postoperative care are documented in different sections, such as care plans or progress notes, not in a flow sheet.
D. To record vital signs, weight, I&O, and doctor visits: Flow sheets or electronic graphs are used to track and visualize ongoing patient data, including vital signs, weight, intake and output (I&O), and doctor visits.
Correct Answer is C
Explanation
A. Reschedule the patient for another appointment. Rescheduling might not be necessary if the patient’s concerns can be addressed in the current appointment.
B. Remind the patient the procedure is already scheduled. Reminding the patient about the scheduled procedure without addressing their concerns can come off as dismissive.
C. Relay the information to the provider. The medical assistant should communicate the patient’s additional concerns to the provider so they can be addressed before proceeding with the treatment.
D. Ask another medical assistant to speak to the patient. The medical assistant who is currently interacting with the patient should address the concerns or relay them to the provider, rather than passing the responsibility to another assistant.
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