Public Health Exam #2
HIV is what type of virus that uses RNA as its genetic material instead of the ore
usual DNA?
A) Oncovirus
B) Circovirus
C) Retrovirus
D) Herpesvirus - ANSWER Retrovirus
Symptoms are likely to begin appearing and the person is vulnerable to
opportunistic infections and certain tumors when the number of T4 cells drops
below which level?
A) 200/cubic millimeter
B) 400/cubic millimeter
C) 600/cubic millimeter
D) 800/cubic millimeter - ANSWER 200 cubic/millimeters
Which of the following is the most common route of transmission of the HIV virus
in developing countries?
A) Homosexual relations
B) Heterosexual relations
C) Sharing of needles
D) In utero transmission - ANSWER heterosexual relations
Retroviruses have long been known to cause in animals - ANSWER
cancer
Zidovudine (AZT) was approved by the Food and Drug Administration in the year
- ANSWER 1987
The held a meeting with vaccine researchers in march 2008 to
reassess whether an HIV vaccine will ever be possible and what new approaches
,could be tried - ANSWER National Institute of Health (NIH)
In , Stanley Prusiner won the Noble Prize for his controversial theory that
Creutzfeldt-Jakob disease is caused by particles called prions, which contain
protein but no nucleic acid and thus no traditional genetic material - ANSWER
1997
True or False? Transfusion with HIV-contaminated blood is no longer a significant
source of HIV infection in the United States. - ANSWER True
True or False? Testing a baby's blood for HIV antibodies provides evidence of the
mother's HIV status. - ANSWER True
True or False? Investigators trying to track the early spread of HIV found
HIV-infected blood samples from as early as 1956, in the blood of a widely traveled
Norwegian sailor who died of immune deficiency. - ANSWER False
The growth of the , which sponsors most of the biomedical
research in the United States, has reflected the growth of concern about chronic
degenerative diseases. - ANSWER National Institute of Health
In the year , Congress created the National Cancer Institute. - ANSWER
1937
Much of the research on HIV has been done using , and a
great deal has been learned. - ANSWER cultured human cells
The estimates that almost one-third of cancer deaths in the United
States are due to tobacco use. - ANSWER American Cancer Society
True or False? In most cases, chronic diseases have a single cause, making it easier
for scientists to recognize significant risk factors and establish preventive
measures. - ANSWER False
True or False? Epidemiology is generally limited to observation and analysis of
events that occur spontaneously - ANSWER True
True or False? In experiments on human subjects, scientists can carefully control
the conditions so that cause-and-effect relationships can be clearly proven -
ANSWER False
Which of the following is the only animal able to be infected with HIV but can no
, longer be used for research due to ethical reasons and cost?
A) Asian macaque monkeys
B) Chimpanzees
C) Guinea pigs
D) Mice - ANSWER chimpanzees
Which of the following refers to the presence of high blood pressure without a
known cause?
A) Essential hypertension
B) Occult hypertension
C) Malignant hypertension
D) Benign hypertension - ANSWER essential hypertension
Cancer viruses transform cells by integrating themselves into what part of the host
cell?
A) Cytoplasm
B) Nucleus
C) RNA
D) DNA - ANSWER DNA
Birth defects may be caused by a variety of environmental agents, called
, which include some bacteria and viruses, various drugs and
chemicals, and radiation - ANSWER teratogens
is best prevented by education—warning pregnant women
about the risks of contracting the disease through gardening and contact with
litter boxes. - ANSWER Toxoplasmosis
Dr. is a pediatrician from Buffalo, New York, who is considered the
"father of newborn screening." - ANSWER Robert Gutherie
In the , a plastics factory contaminated the bay in Minamata, Japan,
with high levels of mercury. - ANSWER 1950s
HIV is what type of virus that uses RNA as its genetic material instead of the ore
usual DNA?
A) Oncovirus
B) Circovirus
C) Retrovirus
D) Herpesvirus - ANSWER Retrovirus
Symptoms are likely to begin appearing and the person is vulnerable to
opportunistic infections and certain tumors when the number of T4 cells drops
below which level?
A) 200/cubic millimeter
B) 400/cubic millimeter
C) 600/cubic millimeter
D) 800/cubic millimeter - ANSWER 200 cubic/millimeters
Which of the following is the most common route of transmission of the HIV virus
in developing countries?
A) Homosexual relations
B) Heterosexual relations
C) Sharing of needles
D) In utero transmission - ANSWER heterosexual relations
Retroviruses have long been known to cause in animals - ANSWER
cancer
Zidovudine (AZT) was approved by the Food and Drug Administration in the year
- ANSWER 1987
The held a meeting with vaccine researchers in march 2008 to
reassess whether an HIV vaccine will ever be possible and what new approaches
,could be tried - ANSWER National Institute of Health (NIH)
In , Stanley Prusiner won the Noble Prize for his controversial theory that
Creutzfeldt-Jakob disease is caused by particles called prions, which contain
protein but no nucleic acid and thus no traditional genetic material - ANSWER
1997
True or False? Transfusion with HIV-contaminated blood is no longer a significant
source of HIV infection in the United States. - ANSWER True
True or False? Testing a baby's blood for HIV antibodies provides evidence of the
mother's HIV status. - ANSWER True
True or False? Investigators trying to track the early spread of HIV found
HIV-infected blood samples from as early as 1956, in the blood of a widely traveled
Norwegian sailor who died of immune deficiency. - ANSWER False
The growth of the , which sponsors most of the biomedical
research in the United States, has reflected the growth of concern about chronic
degenerative diseases. - ANSWER National Institute of Health
In the year , Congress created the National Cancer Institute. - ANSWER
1937
Much of the research on HIV has been done using , and a
great deal has been learned. - ANSWER cultured human cells
The estimates that almost one-third of cancer deaths in the United
States are due to tobacco use. - ANSWER American Cancer Society
True or False? In most cases, chronic diseases have a single cause, making it easier
for scientists to recognize significant risk factors and establish preventive
measures. - ANSWER False
True or False? Epidemiology is generally limited to observation and analysis of
events that occur spontaneously - ANSWER True
True or False? In experiments on human subjects, scientists can carefully control
the conditions so that cause-and-effect relationships can be clearly proven -
ANSWER False
Which of the following is the only animal able to be infected with HIV but can no
, longer be used for research due to ethical reasons and cost?
A) Asian macaque monkeys
B) Chimpanzees
C) Guinea pigs
D) Mice - ANSWER chimpanzees
Which of the following refers to the presence of high blood pressure without a
known cause?
A) Essential hypertension
B) Occult hypertension
C) Malignant hypertension
D) Benign hypertension - ANSWER essential hypertension
Cancer viruses transform cells by integrating themselves into what part of the host
cell?
A) Cytoplasm
B) Nucleus
C) RNA
D) DNA - ANSWER DNA
Birth defects may be caused by a variety of environmental agents, called
, which include some bacteria and viruses, various drugs and
chemicals, and radiation - ANSWER teratogens
is best prevented by education—warning pregnant women
about the risks of contracting the disease through gardening and contact with
litter boxes. - ANSWER Toxoplasmosis
Dr. is a pediatrician from Buffalo, New York, who is considered the
"father of newborn screening." - ANSWER Robert Gutherie
In the , a plastics factory contaminated the bay in Minamata, Japan,
with high levels of mercury. - ANSWER 1950s
