Giving brain list Which of the following is an environmental factor that can cause an infectious disease? (5 points)
Lack of sleep and rest
Lack of nutritious diet
Lack of exercise
Lack of clean water
13.
(06.05 MC)

What type of immune response is initiated when a person becomes infected with viral flu? (5 points)
B cells activate T cells.
T cells merge with B cells.
B cells produce antibodies specific to the flu virus.
T cells produce antibodies common to all pathogens.
14.
(06.05 LC)

Which of these actions is likely to spread pathogens in the environment? (5 points)
Cupping mouth while coughing
Touching wounds
Wiping door knobs
Washing fruits
15.
(06.05 LC)

Which heredity condition causes a buildup of mucus in lungs and pancreas? (5 points)
Cystic fibrosis
Heart disease
Huntington's disease
Sickle cell anemia
16.
(06.05 LC)

Why is it important to maintain records of the procedures of an experiment? (5 points)
To prove that the hypothesis is true
To make it easy for others to prove it wrong
To make it possible for others to replicate the experiment
To give credit to the scientists who conducted the experiment
17.
(06.05 LC)

A hypothesis instead of a guiding question is most likely used in which of the following? (5 points)
Case study
Scientific experiment
Observation
Survey
18.
(06.05 MC)

Two students are comparing scientific experiments to investigations. They came up with the following ideas.

Student A: Testing plant growth in different types of soils
Student B: Comparing the water level in a lake during different times of the year

One student gave an example of an investigation and the other gave an example of an experiment. Which student gave an example of a scientific investigation? (5 points)
Student A because it requires a hypothesis
Student B because it requires a hypothesis
Student A because it can be done in natural settings
Student B because it can be done in natural settings