Which of the Following Are Three Main Sources for Male

question 179

Multiple Choice

Which of the following are three main sources for male infertility?

• A) Erectile difficulties, decreased libido and low sperm count
• B) Sperm death, poor sperm mobility and low seminal fluid
• C) Low sperm production, poor sperm quality and poor sperm movement
• D) Low sperm production, increased libido and poor sperm movement

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Definitions:

NMR

Nuclear Magnetic Resonance, a spectroscopic technique used to determine the structure of molecules.

IR

An abbreviation for infrared spectroscopy, a method for studying molecules by observing their interaction with infrared light to identify chemical bonds and functional groups.

Medium

An environment or substance in which other materials or reactions are hosted or take place, potentially affecting their properties.

Doublet

An NMR signal that is split into two peaks of equal intensity, indicating the presence of a neighboring proton with a spin-spin coupling effect.