Eastern Asia is most densely populated. The darker the color the more dense the area is, and Eastern Asia is the darkest area on the map.
D
“Francis Sumner, PhD, is referred to as the “Father of Black Psychology” because he was the first African American to receive a PhD degree in psychology. Sumner was born in Arkansas in 1895.”
Answer:
(D) trained Gary in a technique called progressive relaxation.
Explanation:
This question is missing the options. The options for this question are:
(A) explored Gary's past for possible clues as to why Gary was afraid of flying
(B) actively confronted the irrationality of Gary's fear of flying
(C) instructed Gary to visualize being on an airplane that developed engine trouble had to make an emergency crash landing.
(D) trained Gary in a technique called progressive relaxation
Systematic desensitization is a type of technique used in cognitive therapy and it is based on the principle of classical conditioning.
The goal of this technique is to remove a phobia or a stimuli that causes anxiety and substitute it with a relaxation response.
This technique has three phases:
- The patient is taught deep relaxation and breathing exercises.
- The patient creates a fear hierarchy starting at stimuli that provoke the least anxiety and building up to the most fear provoking ones. The patient starts at the bottom of the hierarchy with the least unpleasant stimuli and practices the relaxation technique.
- The patient practices this relaxation until the stimuli doesn't provoke any anxiety and then he continues with the next stimuli in the hierarchy until he reaches the top stimuli and the anxiety is removed.
In this example, Gary found out that his job requires air travel and he's afraid to fly. His psychologist will use systematic desensitization, therefore, the first step will have to do with teaching Gary deep relaxation techniques and breathing exercises, this technique is called progressive relaxation. Therefore, the correct answer will be d. trained Gary in a technique called progressive relaxation
The antigen's foreignness is the most important determinant of immunogenicity when considering an antigen.
An antigen in immunology is a molecule, molecular structure, foreign particle, pollen grain, etc. that may attach to a particular antibody or T-cell receptor. Antigens within the body may cause an immunological response.
Antigens are outside elements. Normally, the body's defence cells don't react to molecules that belong to it (self antigen). A substance's antigenicity is often correlated with its foreignness . When compared to antigen from other members of the same species, it is less antigenic.
A foreign substance must make up the immunogen. Only substances that are not normally found in the body or exposed to the cells of the particular immune system trigger immune reactions. The immune system will distinguish between "self" and "non-self" in normal circumstances.
To learn more about antigen, refer from
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