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Day 167 MCAT Practice Question

image of nursing advising your dream school
Passage 8

Cell phones have increased dramatically as a new communication technology in the

modern world. This study aimed to determine the relationship between cell phone

over use scale with depression, anxiety and stress among university students in

Khorramabad, Iran.



In this descriptive-analytical and cross-sectional study, 212 students were

randomly selected from the Lorestan University of Medical Sciences by a

combination of stratified and clustered random sampling. Data were collected

by two standard questionnaires including, Cell-phone Over-use Scale (COS) and

Depression, Anxiety and Stress (DASS-21) and were analyzed using SPSS V.22.



Based on the results, 72.2% of the students were exclusively male, which a majority

of them were in age of 21–23years (46.2%), and 92.5% were single. Based on the

multiple linear regression and after adjustment for the confounding effect, there

was a significant relationship between cell phone over use scale on student’s

stress (t=2.614, P=0.010), and student’s anxiety (t=2.209, P=0.028); however there

was not a significant relationship between cell phone over use scale on student’s

depression (t=1.790, P=0.075).

Based on the multiple linear regression and after adjustment for the confounding

effect, there was a significant relationship between cell phone over use scale on

student’s stress (t=2.614, P=0.010); so that by increasing in each unit of cell phone

over use score, the student’s stress score increases about 0.040units. In other

words, by increasing in every 25units of cell phone over use score, the student’s

stress score increases about 1 unit.



Also after adjustment for the confounding effect, there was a significant relationship

between cell phone over use scale on student’s anxiety (t=2.209, P=0.028); so that

by increasing in each unit of cell phone over use score, the student’s anxiety score

increases about 0.031units. In other words, by increasing in every 33units of cell

phone over use score, the student’s stress score increases about 1 unit.



Finally after adjustment for the confounding effect, there was not a significant

relationship between cell phone over use scale on student’s depression (t=1.790,

P=0.075); so that by increasing in each unit of cell phone over use score, the

student’s anxiety score increases about 0.028units. In other words, by increasing

in every 36units of cell phone over use score, the student’s stress score increases

about 1 unit.



Harmful use of cell phones can aggravate psychological disorders such as anxiety,

stress and depression and by controlling this factor can increase the level of mental

health and improve the quality of life in students.



Investigate the relationship between cell-phone over-use scale with depression,

anxiety and stress among university students. Adapted from Hashemi et al. (2022)
Which of the following factors are not accounted for by the biopsychosocial

model of psychological disorders?

A) Acquired neurotransmitter deficiencies or excesses

B) The influence of childhood trauma and other adverse childhood events

C) Personality types that predispose a person to ineffective coping

mechanisms

D) None of the above
Click to reveal answer
Correct answer is D

The biopsychosocial model of psychological disorders is one of the many theories

of how and why psychiatric conditions develop. Specifically, the biopsychosocial

model states that these disorders can be traced to a wide range of factors and

forces including biological, psychological, and social factors. As a result, the

biopsychosocial model accounts for acquired neurotransmitter deficiencies or

excesses (as some of the many biological factors that can lead to mental illness),

personality types that predispose a person to ineffective coping mechanisms

(as one of the many possible psychological factors), as well as the influence of

childhood trauma and other adverse childhood events (a social factor). For this

reason, Answer D is correct because all three of these influences are accounted for

and important to those who adhere to the biopsychosocial model of psychological

disorders.
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