"Insulin" is something that is used to treat "diabetes." So, to solve this analogy you need to determine what it is that "penicillin" is used to treat. The correct answer is that "penicillin" treats bacterial "infection." Additionally, "paralysis" is the inability to move or feel sensation; "psychopathy" is a mental illness defined by a lack of empathy and a desire to defeat others in all areas of life.

The term "dorsal" means of or relating to the "back" of an animal or organ. So, to solve this analogy you need to determine which of these words is related to "austral." The correct answer, as you may have guessed from "Australia," is that "austral" means of or relating to the "south."

To begin with the prefix gyno- means of or related to "women." So, "gynecology" is the branch of medicine concerned with the treatment of "women." To solve this analogy you need to determine which of these is related to the branch of medicine known as "geriatrics." The correct answer is that "geriatrics" is the branch of medicine concerned with the treatment of, and care for, the "elderly."

"Ethics" is defined as a system of "morality." So, to solve this analogy you need to determine which of these is defined as a system of "naming" things. The correct answer is "nomenclature." Additionally, "megalomania" is the state of being power-mad; an "adage" is an old-saying meant to impart some lesson; a "digression" is a distraction from the main point, straying from the issue under discussion; "cynicism" is skepticism and mistrust, a belief system based around selfishness and pessimism.

"Pluvial" means related to, or characterized by, "rainfall." So, to solve this analogy you simply need to determine which of these is related to the word "arable." Well, "arable" means (of land) fit for "farming."

"Pulmonary" means of or related to "lungs." So, to solve this analogy you simply need to determine what "gastric" is related to. The correct answer is that "gastric" means of or related to the "stomach."

"Hepatic" means of or related to the "liver." So, to solve this analogy you need to determine which of these is described by the word "sartorial." The correct answer is that "sartorial" means of or related to "clothing." 

"Quicksilver" is another term for "mercury." So, to solve this analogy you need to determine which of these is another term for "argent." The correct answer is that "argent" means of, related to, "silver." 

The term "nautical" means related to sailing or "sailors." So, to solve this analogy you need to determine which of these words is described by the word "phonetic." The correct answer is that "phonetic" means of or related to speech and "sounds." 

"Sylvan" means of or related to the "woods," having the quaint qualities of a forest. So, to solve this analogy you need to determine what the word "vinous" describes. The correct answer is that "vinous" means related to, having the taste of, "wine."