Relationships Among Events, Objects, and Processes

Question 1

Which of the following statements is true about understanding magnitude when describing relationships?

Answer 1

The magnitude of the number represents the strength of the correlation.

Question 2

A study draws the conclusion that obesity is a significant cause of Type 2 diabetes. Which of the following experimental parameters would not build confidence that such a cause and effect relationship is likely true?

Answer 2

Use of a small sample size.

Question 3

During a study, scientists noted that people with more self-esteem tend to not be depressed and vice versa. Which of the following types of relationships did they observe?

Answer 3

A correlation.

Question 4

Which of the following is the most plausible sequence of events?

Answer 4

Born into musical family; grows up around music; starts learning guitar; plays concert.

Question 5

Dandelions → Snail → Frog → Bird → Fox

Using the food chain above, which of the following terms best describes the trophic level of frogs?

Answer 5

Secondary consumer.

Question 6

Steps involved in natural selection include:

1. Differing survival rates when faced with environmental challenges.
2. Preservation of genetic traits of best-adapted offspring.
3. Overproduction of offspring that have different variations in genetic traits.

Which of the following is the sequence in which these steps take place?

Answer 6

3, 1, 2

Question 7

A nurse has to give a patient a tablet drug. Which of the following are the best units to use when writing in the chart how much of the drug was delivered?

Answer 7

mg of drug/kg of patient’s body weight.

Question 8

Which is the most appropriate unit to measure the weight of groceries in a store?

Answer 8

Kilograms.

Question 9

Which of the following are likely the causes of diabetes type 2?

Answer 9

Lack of exercise, unhealthy food choices, obesity.