Exam (elaborations)

PYC1501 EXAM PACK (LATEST)

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PYC1501 - Basic Psychology (PYC1501)

Institution
University Of South Africa

PYC1501 EXAM PACK (LATEST) This is a complete and an all-inclusive guide to Basic Psychology. The part of the neuron that is responsible for receiving information signals from other neurons is called ___. 1. Myelin sheath 2. boutons 3. dendrites 4. soma Answer: The correct answer is 3 Refer...

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pyc1501
basic psychology
pyc1501 exam pack
pyc1501 basic psychology
pyc1501 exam pack latest

Institution
University of South Africa
Course
PYC1501 - Basic Psychology (PYC1501)

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PYC1501 EXAM
PACK (LATEST)

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1 PYC1501 – Basic Psychology

PYC1501 (RPY1501) EXAM PREPARATION – Assignments and Exams

This document is an easy to read compilation of past UNISA Assignment and Exam Questions and
Answers

Answers are motivated by a combination of:

• Page references to the prescribed textbook
• Short summaries and/or content regarding the relevant topic(s) in question. (Incorrect
options are also marked where applicable, in order to identify and disregard red-herring
alternatives)

Assignments covered are:

• Assignment 01 for Semester 1 2015
• Assignment 02 for Semester 1 2015
• Assignment 01 for Semester 2 2015
• Assignment 02 for Semester 2 2015
• Assignment 01 for Semester 1 2016
• Assignment 02 for Semester 1 2016
• Assignment 01 for Semester 2 2016
• Assignment 02 for Semester 2 2016
• Assignment 01 for Semester 1 2018
• Assignment 02 for Semester 1 2018
• Assignment 01 for Semester 2 2018
• Assignment 02 for Semester 2 2018
• Assignment 92 (Self-test)

Exams covered are:

• May-June 2011
• October-November 2011
• May-June 2012
• October-November 2012
• May-June 2013
• October-November 2013
• May-June 2014
• October-November 2014
• May-June 2015
• October-November 2015
• May-June 2016
• October-November 2016
• May-June 2017
• October-November 2017

Please note: This document is an additional tool for exam preparation. The Stuvia-user that compiled
and uploaded this document takes no responsibility for incorrect answers. Students must ensure
that they study the prescribed material and understand the content.

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2 PYC1501 – Basic Psychology

Semester 1 - 2015: Assignment 01 (Unique number 595183)
Question 1

The tutor for the first-year psychology group is dealing with the topic of impulse conduction in the
human nervous system. After the group discussion, the tutor asks the students the following
questions to test their knowledge of the study material.

The part of the neuron that is responsible for receiving information signals from other neurons is
called ___.

1. Myelin sheath
2. boutons
3. dendrites
4. soma

Answer: The correct answer is 3
Refer: A-Z of Psy, pg. 88
Reasoning: The soma receives messages from other neurons through its dendrites.

Question 2

The part of the neuron that facilitates synaptic transmission of a signal to another neuron is called
___.

1. dendrites
2. boutons
3. axon
4. myelin sheath

Answer: The correct answer is 2
Refer: A-Z of Psy, pg. 90
Reasoning: The bouton vesicles of the telondendron release the neurotransmitters into the
synaptic cleft.

Question 3

The electrical charge resulting from the difference between the positive and negative ions outside
and inside the cell membrane is called ___.

1. the action potential
2. a threshold
3. the resting membrane potential
4. the refractory period

Answer: The correct answer is 3
Refer: A-Z of Psy, pg. 67
Reasoning: The resting membrane potential is an electrical charge brought about by the
difference between the positive and negative ions inside and outside the neuron.
This is also called a condition of readiness.

Question 4

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3 PYC1501 – Basic Psychology

Which of the following statement(s) about the neuron, based on the diagram is (are) correct?

1. In accordance with all-or-nothing-law, neurons A, B, C and D will conduct an impulse at
exactly the same speed, or not at all
2. In comparison with neurons A, C and D, neuron B can conduct impulses at the highest speed
and amplitude
3. In comparison with neurons A, B and C, neuron D will conduct impulses at the highest
frequency
4. 1 and 3

Answer: The correct answer is 2
Refer: A-Z of Psy, pg. 70
Reasoning: Although the strength and speed of an impulse is constant in a particular neuron, it
can vary with nerve fibres of different thickness. The larger the nerve fibre (the
greater the diameter or width), the stronger the impulse and the faster it is
conducted.

Question 5

In the myelinated neuron, the myelin sheaths are separated by a small gap called (an) ___ that
facilitates the neural impulse to jump from one point to another.

1. threshold
2. axon
3. synaptic cleft
4. nodes of Ranvier

Answer: The correct answer is 4
Refer: A-Z of Psy, pg. 89
Reasoning: The gaps (approximately 1 micrometer wide) formed between myelin sheath cells
along the axons are called Nodes of Ranvier. Since fat serves as a good insulator, the
myelin sheaths speed the rate of transmission of an electrical impulse along the
axon.

Question 6

Low serotonin levels are associated with ___ just as dopamine deficiency is associated with
Parkinson’s disease.

1. seasonal depression
2. muscle spasm
3. suppression of pain

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