AnswersNY-Life Science BiologyTerm 2 HillcrestLab: Disease Spread

Lab: Disease Spread — Unit test Answers

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1
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Staphylococcus aureus, or staph, is a bacteria that is commonly found in the nose and on the skin of humans. While it is typically not harmful to humans, it is sometimes able to enter the body through an injury or broken skin, and get into the bloodstream. When this happens, it can cause a serious infection called sepsis. Sepsis can cause an individual to go into shock and bodily organs to stop functioning. Symptoms of sepsis include inflammation, fever or hypothermia, increased heart rate, and rapid breathing.Which immune system component initially results in the inflammation and responds quickly when Staphylococcus aureus enters the bloodstream?

Question illustration
A
complement system
B
phagocytes
C
Langerhans cells
D
B lymphocytes
2
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Which actions are involved in the immune response?

A
regulating hormonal and autonomous responses
B
identifying and destroying harmful substances
C
increasing and supporting the ability of red blood cells to carry oxygen
D
regulating and adjusting the skin's secretion of sweat and oil
3

A commercial on television advertises a new medicine that claims to boost immunity. You want to verify that the claim is scientifically based. Which source is least likely to provide you with accurate information about this new medicine?

A
a magazine about entertainment and lifestyle trends
B
the studies that the television ad cites
C
a brochure from the doctor’s office
D
the website of the governmental agency that tests health products
4

Maintaining a healthy lifestyle through diet and exercise is important,

A
but it has no effect on the immune system.
B
but it actually decreases the immune system.
C
but exercise is more important than diet for the immune system..
D
but no specific diet has been proven to boost the immune system.
5

What is semen?

A
an exocrine gland near the opening of the urethra
B
a structure located on the outside of the male body
C
a combination of sperm and other reproductive fluids
D
a production of fluid that gives the sperm nourishment
6

Two patients were admitted to the hospital. Patient one was diagnosed with salmonella poisoning, and patient two had West Nile. Which best describes their sicknesses?

A
Patient one has a communicable disease and patient two has a noncommunicable disease.
B
Patient one has a noncommunicable disease and patient two has a communicable disease.
C
Patient one contracted the sickness from contaminated materials and patient two contracted the sickness from an animal vector.
D
Patient one contracted the sickness from an animal vector and patient two contracted the sickness from contaminated materials.
7

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. Which structure or structures produce substances most likely to affect the development of these traits?

A
testes
B
ovaries
C
prostate gland
D
vulva
8

When is the most likely time for a female to become pregnant during her menstrual cycle?

A
on the first day of her period
B
on the last day of her period
C
about a week after her period ends
D
about a week before her period begins
9

The graph shows the changing levels of hormones during menstruation and ovulation. Which hormone has the most influence on preparing the body for pregnancy?

Question illustration
A
Luteinizing hormone promotes fertility because it spikes the most during ovulation.
B
Estradiol promotes fertility because it peaks slightly before ovulation.
C
Progesterone promotes fertility because its levels rise during ovulation and immediately after.
D
Follicle-stimulating hormone promotes fertility because it is released mostly during ovulation.
10

Along with Louis Pasteur, what other scientist helped to disprove spontaneous generation?

A
Eli Germ
B
John Snow
C
Francesco Redi
D
Robert Koch
11

Alzheimer's disease has some lifestyle factors because

A
everyone can contract it in their lifetime.
B
it can be influenced by nutritional choices.
C
up until now there is no known cure for it.
D
it can be contracted through germs.
12

The student body president is launching a campaign to fight the spread of flu in his school. Which of the following should he encourage students to do?

A
shower twice a day
B
drink plenty of fluids
C
eat healthy snacks
D
wash their hands regularly
13

Which actions are involved in the immune response?

A
regulating hormonal and autonomous responses
B
identifying and destroying harmful substances
C
increasing and supporting the ability of red blood cells to carry oxygen
D
regulating and adjusting the skin's secretion of sweat and oil
14

Consider the virus that has a complex shape. Which organism does this virus infect?

Question illustration
A
animals
B
bacteria
C
plants
D
fungi
15

Two patients were admitted to the hospital. Patient one was diagnosed with salmonella poisoning, and patient two had West Nile. Which best describes their sicknesses?

A
Patient one has a communicable disease and patient two has a noncommunicable disease.
B
Patient one has a noncommunicable disease and patient two has a communicable disease.
C
Patient one contracted the sickness from contaminated materials and patient two contracted the sickness from an animal vector.
D
Patient one contracted the sickness from an animal vector and patient two contracted the sickness from contaminated materials.
16

Which best relates cells and viruses?

A
Viruses grow and reproduce like cells.
B
Cells can infect specific host viruses.
C
RNA is found in cells, but not in viruses.
D
Viruses can infect certain cells.
17

A commercial on television advertises a new medicine that claims to boost immunity. You want to verify that the claim is scientifically based. Which source is least likely to provide you with accurate information about this new medicine?

A
a magazine about entertainment and lifestyle trends
B
the studies that the television ad cites
C
a brochure from the doctor’s office
D
the website of the governmental agency that tests health products
18

Maintaining a healthy lifestyle through diet and exercise is important,

A
but it has no effect on the immune system.
B
but it actually decreases the immune system.
C
but exercise is more important than diet for the immune system..
D
but no specific diet has been proven to boost the immune system.
19

The student body president is launching a campaign to fight the spread of flu in his school. Which of the following should he encourage students to do?

A
shower twice a day
B
drink plenty of fluids
C
eat healthy snacks
D
wash their hands regularly
20

Staphylococcus aureus, or staph, is a bacteria that is commonly found in the nose and on the skin of humans. While it is typically not harmful to humans, it is sometimes able to enter the body through an injury or broken skin, and get into the bloodstream. When this happens, it can cause a serious infection called sepsis. Sepsis can cause an individual to go into shock and bodily organs to stop functioning. Symptoms of sepsis include inflammation, fever or hypothermia, increased heart rate, and rapid breathing.Which immune system component initially results in the inflammation and responds quickly when Staphylococcus aureus enters the bloodstream?

Question illustration
A
complement system
B
phagocytes
C
Langerhans cells
D
B lymphocytes

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