Human Health Answers

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Candace is wanting to be sure that she is doing what she can to prevent the spread of disease. Which of the following should she be sure to do?

A
Take medicine to destroy the germs.
B
Avoid contact with other people's bodily fluids.
C
Wear warm clothes.
D
Eat healthful foods such as fruits and vegetables.
2
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What are diseases such as a strep throat and Athlete’s foot caused by?

A
miasma
B
decaying matter
C
microorganisms
D
temperature changes
3

How did Francesco Redi disprove the idea of spontaneous generation?

A
He showed that flies were not produced by meat.
B
He showed that microorganisms are present in air.
C
He showed that microorganisms cause disease.
D
He showed that flies spread disease.
4

Heart disease is a noncommunicable disease because

A
it can be spread.
B
it does not spread from person to person.
C
it is contagious.
D
it only affects individuals, not communities.
5

Maia’s family has a history of heart disease. What can she do to help lower her chance of having heart disease?

A
Lower her whole grain consumption.
B
Decrease social interactions.
C
Lower her sodium intake.
D
Increase her calcium intake.
6

The same, unknown bacteria is isolated from 20 sick individuals. Their samples were grown in culture and then placed in 10 healthy mice. Those mice started to show signs of a heightened immune response. According to Koch’s postulates what is the next step in determine whether the bacteria is pathogenic?

A
Classify the bacteria as a noncommunicable disease.
B
Classify the bacteria as a communicable disease.
C
Reisolate it, and determine if it is the original unknown bacteria.
D
Treat the original 20 individuals with antibiotics.
7

Osteoporosis is more prevalent among women than men because women generally

A
have more bones in their bodies than men have.
B
take in more calcium than men take in.
C
have lower bone mass than men have.
D
exercise more than men do.
8

Amalia has the flu, a communicable disease that causes a cough and a runny nose. Which best describes how she likely got it?

A
She does not exercise.
B
She has a poor diet.
C
She touched the doorknob in a classroom.
D
She inherited it from her parents.
9

An outbreak of a disease occurs, and a scientist at the Centers for Disease Control (CDC) is in charge of determining the cause. She is studying the microorganism that is thought to be responsible for the disease. Which of the following would be the most helpful to the scientist?

A
Pasteur's germ theory of disease
B
Koch's postulates
C
Redi's experiment
D
John Snow's map
10

Which factors most influence whether a person will develop Alzheimer's disease?

A
the person's environment and social interaction
B
the person's genetics and age
C
the person's gender and salt intake
D
the person's salt intake and stress level
11

Nailah leads a very busy lifestyle and finds herself eating a lot of processed, high sodium foods. She rarely eats home-cooked food and often eats food that is high in cholesterol. What disease does Nailah have risk factors for?

A
malaria
B
histoplasmosis
C
heart disease
D
mental illness
12

Roman says that the risk of osteoporosis can be reduced by making certain lifestyle choices. Which lifestyle choice could Roman be referring to?

A
increasing social interaction opportunities
B
lowering salt intake
C
managing stressful situations
D
increasing calcium intake
13

Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. Before 1995, chicken pox parties were popular. In a chicken pox party, healthy children were brought around children who were ill with chickenpox so that they would be exposed to the virus and their immune system would learn to fight it. A vaccine for chickenpox was developed in 1995, and chicken pox parties are now rare. Which statement best summarizes this information?

A
Advances in society affect technology.
B
Advances in society affect science.
C
Advances in science affect technology.
D
Advances in technology affect society.
14

An example of a communicable disease is

A
cancer.
B
chronic respiratory disease.
C
diabetes.
D
giardiasis.
15

Which statement best describes the germ theory of disease?

A
Diseases are caused by bad-smelling poisonous vapors that contain decaying matter.
B
Diseases are created or generated spontaneously within the body.
C
Diseases can be isolated and grown in cultures.
D
Diseases are caused by the presence and action of specific microorganisms.

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