The correct answer is letter D
Explanation: Sigmund Freud has created the Psychoanalysis, that is a theory of personality and system of therapy for treating mental disorders.
In Psychoanalysis the patient can talks in a free way about how they feel and their thoughts, is called free association.
Psychoanalysis was very expensive, and only rich people could do the therapy.
From 1838 to 1841 enacted many refrains with the aim of improving economic.
Im not sure but i think it is called a friend
The final dilution if a technologist adds 200 mL of patient sample to 600 mL of saline would be 1:3. Thus, the correct option is A). 1:3
<h3>What is the saline made of?</h3>
Saline is a mixture of salt and water. Saline is called a normal saline solution because it consists of its salt concentration that is similar to tears, blood and other body fluids.
Saline is composition of sodium chloride and water which has various uses in the terms of medicine.
Basically, saline is used for cleaning the wound, blood, for removing the eye lenses etc. and it is also called isotonic solution.
Complete question:- What is the final dilution if a technologist adds 200 mL of patient sample to 600 mL of saline?
a. 1:3
b. 1:4
c. 2:6
d. 1:2
Learn more about saline solution here:-
brainly.com/question/28273125
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