In Both the Male and the Female, the Opening of the Urethra

question 4

Multiple Choice

In both the male and the female, the opening of the urethra to the outside is called the:

• A)external urethral sphincter.
• B)internal urethral sphincter.
• C)external urinary meatus.
• D)external orifice.
• E)internal orifice.

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Definitions:

Radiographically Labeled

Radiographically labeled refers to substances tagged with a radioactive isotope, making them traceable via radiographic techniques for research or medical diagnostic purposes.

Blotting Buffer

A solution used in molecular biology techniques to facilitate the transfer of DNA, RNA, or proteins onto a membrane for detection and analysis.

UV Light

Ultraviolet light, which is a type of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, known for its ability to induce skin damage and other biological effects.

Radiographically Labeled

refers to substances that have been tagged with radioisotopes for tracking or imaging purposes using radiographic techniques.