A medical assistant should identify that which of the following tasks requires the use of gloves?
Obtaining a tympanic reading
Administering a nebulizer treatment
Performing a visual acuity test
Removing a cyst
The Correct Answer is B
A. Obtaining a tympanic reading: This procedure does not typically require gloves as it is non-invasive and does not involve contact with bodily fluids.
B. Administering a nebulizer treatment: Gloves should be worn during this procedure to maintain hygiene and prevent exposure to respiratory secretions.
C. Performing a visual acuity test: This test is non-invasive and does not require gloves.
D. Removing a cyst: This procedure typically requires more than gloves; it involves aseptic technique and potentially sterile equipment. Gloves are part of the preparation but are not sufficient on their own.
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Correct Answer is B
Explanation
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.
Correct Answer is D
Explanation
A. Pinky: The pinky is not typically used for capillary punctures due to its small size and lower blood flow.
B. Thumb: The thumb is not preferred due to its thick skin and reduced blood flow compared to other fingers.
C. Ring: While the ring finger can be used, the index finger is generally preferred due to its larger surface area and better blood flow.
D. Index: The index finger is preferred for capillary punctures in patients older than 1 year due to its size and ease of access.