This document takes you through an interactive practice based on earlier exam questions. First guessing then receiving the answer with very simple to-the-point feedback. There are 85 questions. The goal is to turn learning into a game and a competition, so that you can move through the material eff...
Psychological research show that you retain information better if you first try to
grasp for the answer in your mind and then receive the information you need to get
it right. So we are guessing 5 questions at a time.
Write your answers on a piece of paper - not A, B etc - use a keyword to remember
your choice. Memory and learning take effort. Writing A, B, C or D stops that pro-
cess from happening.
If you have the stamina, please then use your textbook, Google, and your study
guide to identify the correct answer/
Then we will look at the answers. 5 at a time. I do not know the correct answers
according to UNISA, but these answers are mainly correct. So if we get different
answers, please research carefully and decide for yourself.
The HIV Aids course is very good, so they tend to ask similar questions because
this helps you learn the key parts of the course. So once we have practised with
enough MCQ’s you should have some good knowledge under your belt for the exams
and your future career.
Guessing: Q1 - 5
QUESTION 1
Which HI virus type is predominant in Southern Africa?
(1) HIV 1 Subtype B
(2) HIV 1 Subtype C
(3) HIV 2 Subtype B and C in combination
(4) HIV 2 Subtype C
QUESTION 2
Which of the following features describe the HI virus?
(a) It is a retrovirus
,(b) It is a very small organism
(c) It is roughly circular in shape
(d) It can only be seen with a strong magnifying glass
The correct answer is:
(1) (a)
(2) (b) and (c)
(3) (a) (b) and (c)
(4) (a) (b) (c) and (d)
QUESTION 3
There are various biological, epidemiological and socioeconomic factors that in-
fluence the spread of HIV infection. Women are biologically more vulnerable
to HIV infection than men, because women ___.
(1) living in traditional African societies are usually forced to comply with cultural
practices, such as living with their in-laws and subjecting themselves to the prac-
tice of widow cleansing
(2) are exposed to semen for a longer time during sex than men are to vaginal
fluids, and semen contains higher concentrations of HIV than do vaginal fluids
(3) living in poor and deprived conditions are often forced to become sex workers
in order to keep themselves and their children alive
(4) often have more sexual partners than men
QUESTION 4
With the definition of ‘HIV-exposed’ in mind, which one of the following exam-
ples explains the definition or concept the best?
(1) Nozuko was exposed to the blood of her mother at birth, and it is certain that
she will be HIV infected.
(2) Tony was born to an HIV infected mother, but an HIV test has to be done be-
fore it is certain if he is HIV positive or negative.
(3) Amalia was born to an HIV infected mother who also breastfed her, and there-
fore her exposure to HIV is very high.
(4) Peter was exposed to the blood of his mother during birth, but his mother was
already on ARVs during her pregnancy. He was therefore not exposed to HIV.
QUESTION 5
Universal precautions are based on ___.
,(1) a patient’s physical appearance
(2) contact with HIV infected individuals
(3) a positive diagnosis of HIV infection or Aids
(4) risk of exposure to body fluids that might contain the HI virus
Well done for guessing so far! Let’s look at the an-
swers... Q1-5
QUESTION 1
Which HI virus type is predominant in Southern Africa?
(1) HIV 1 Subtype B
(2) HIV 1 Subtype C
(3) HIV 2 Subtype B and C in combination
(4) HIV 2 Subtype C
Feedback on Question 1
Answer
2. HIV1 Subtype C
QUESTION 2
Which of the following features describe the HI virus?
(a) It is a retrovirus
(b) It is a very small organism
(c) It is roughly circular in shape
(d) It can only be seen with a strong magnifying glass
The correct answer is:
(1) (a)
(2) (b) and (c)
(3) (a) (b) and (c)
(4) (a) (b) (c) and (d)
Viruses can only be seen with an electron microscope. They are much tinier than
bacteria and cells.
, QUESTION 3
There are various biological, epidemiological and socioeconomic factors that influ-
ence the spread of HIV infection. Women are biologically more vulnerable to HIV
infection than men, because women ___.
(1) living in traditional African societies are usually forced to comply with cultural
practices, such as living with their in-laws and subjecting themselves to the prac-
tice of widow cleansing
(2) are exposed to semen for a longer time during sex than men are to vaginal
fluids, and semen contains higher concentrations of HIV than do vaginal fluids
(3) living in poor and deprived conditions are often forced to become sex workers
in order to keep themselves and their children alive
(4) often have more sexual partners than men
Feedback on Question 3
The key to the correct answer is the word “biologically” in the the question.
QUESTION 4
With the definition of ‘HIV-exposed’ in mind, which one of the following examples
explains the definition or concept the best?
(1) Nozuko was exposed to the blood of her mother at birth, and it is certain that
she will be HIV infected.
(2) Tony was born to an HIV infected mother, but an HIV test has to be done
before it is certain if he is HIV positive or negative.
(3) Amalia was born to an HIV infected mother who also breastfed her, and there-
fore her exposure to HIV is very high.
(4) Peter was exposed to the blood of his mother during birth, but his mother was
already on ARVs during her pregnancy. He was therefore not exposed to HIV.
Feedback on Question 4
The correct answer is 2.
What is exposure vs outcome in epidemiology?
The exposure refers to any characteristic that may explain or predict the pre-
sence of a study outcome. The outcome refers to the characteristic that is being pre-
dicted.
There are two correct answers in my personal opinion.
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