Which of the following parts of a cell produces energy?
Lysosomes
Mitochondria
Nucleolus
Microvilli
The Correct Answer is B
A. Lysosomes: Lysosomes contain digestive enzymes that break down waste materials and cellular debris but are not responsible for energy production.
B. Mitochondria: Mitochondria are known as the "powerhouses" of the cell because they produce energy through cellular respiration.
C. Nucleolus: The nucleolus is involved in producing ribosomes and RNA synthesis, not energy production.
D. Microvilli: Microvilli increase the surface area of cells for absorption but do not produce energy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Ask the laboratory to send a link to an electronic version of the patient's report: The laboratory is not responsible for providing electronic versions of reports if paper reports are already received.
B. Scan the report into the patient's electronic health record (EHR): Scanning the report into the EHR ensures that the patient’s records are complete and accessible within the system.
C. Document that the results were delivered to the office in the patient's electronic health record (EHR): While documenting receipt is important, it does not substitute for the actual entry of the report into the EHR.
D. Sign their initials and place in the "to be filed" bin: Simply filing the report without scanning it into the EHR means the information is not integrated into the patient's digital health record.
Correct Answer is A
Explanation
A. Deflate the cuff slowly until the last sound is heard. The diastolic reading is determined when the last sound (Korotkoff sound) is heard as the cuff is deflated.
B. Listen for the first sound through the stethoscope: The first sound corresponds to the systolic reading, not the diastolic.
C. Document the reading when the gauge needle jumps: The gauge needle jump is not a reliable indicator of blood pressure readings.
D. Inflate the cuff to at least 180 mm Hg, deflate the cuff slowly, and listen for the first sound: Inflating to 180 mm Hg is unnecessary and might cause discomfort; also, the first sound is the systolic reading, not the diastolic
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