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KengaRu [80]
3 years ago
14

A myringotomy knife is used on the: A. nose B. eye C. ear D. throat

Medicine
1 answer:
Harrizon [31]3 years ago
7 0

Answer:

The correct answer is option C. ear.

Explanation:

A myringotomy is a surgery in which a very small incision is made in the tympanic membrane or eardrum of the ear by the surgeon to release pressure created by excessive fluid, or to remove pus from the middle ear.

The surgeon uses the myringotomy knife to create an incision in the tympanic membrane. The myringotomy knife is a needle-like a lancet blade which helps in piercing and incision.

Thus, the correct answer is option C. ear.

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Smooth muscles lack the striation of skeletal muscles. Medical professionals call them
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2 years ago
Smooth ER of a muscle cell:
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Option A. Incorrect. A SARCOMERE is the functional and anatomic unit of the striated muscle (skeletal muscle and heart muscle). This word comes from the greek: <em>sarkos (meat), meros (part). </em>That is reason you could find other structures of the muscle cell with this root (SARCO...).

Option C. Incorrect. "Arcolemma" this word does not exist. But if it refers to SARCOLEMMA, this word means: <em>sarko (meat), lema (cortex) </em>in greek<em>. </em>It is the plasma membrane of the muscle cells.

Option D. Incorrect. The SARCOPLASM, comes from the greek: <em>sarko (meat), plasm (matter). </em>This structure is the citoplasm of the muscle cells.

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3 years ago
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