Which of the following are symptoms of poisoning?
Bluish lips, cough, and difficulty breathing
Itchy eyes, sinus congestion, and drainage
Increase in thirst, urination, and hunger
Heat intolerance, increased energy, and sweating
The Correct Answer is A
A. Bluish lips, cough, and difficulty breathing: These symptoms can indicate poisoning, particularly from substances that affect oxygen levels or respiratory function.
B. Itchy eyes, sinus congestion, and drainage: These symptoms are more commonly associated with allergies or upper respiratory infections rather than poisoning.
C. Increase in thirst, urination, and hunger: These symptoms are typically associated with conditions like diabetes rather than poisoning.
D. Heat intolerance, increased energy, and sweating: These symptoms are more indicative of hyperthyroidism or other endocrine disorders rather than poisoning.
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Correct Answer is B
Explanation
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.
Correct Answer is B
Explanation
A. Instruct the patient to collect the specimen and return it to the laboratory: For a valid drug screening, the specimen should be collected in the presence of a medical professional to prevent tampering.
B. Measure and record the temperature of the specimen: Measuring and recording the temperature of the urine specimen is important to ensure that the sample is fresh and has not been tampered with or substituted.
C. Pre-label the specimen container prior to collection: The container should be labeled after the specimen is collected to avoid mix-ups and to ensure accurate tracking.
D. Have the patient begin collecting the specimen mid-stream: The specimen for drug testing should typically be collected as a first-morning or a mid-stream sample to ensure accuracy, but this can vary based on specific protocols.