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As you are sitting taking this test there are many sounds around us, such as the hum of air conditioners, the sound of fans and lights.  We are rarely aware of all these constant background sounds.  Choose the option below that best describes why we aren’t always aware of all of these sounds around us.

Light from the left visual field gets processed on which side of the visual cortex?

During which stage of sleep are our brain waves more similar to awake than the other stages and is often referred to as paradoxical sleep?

Bacterial toxins are chemical products made by bacteria. A person ingests some honey containing Clostridium botulinum. The C. botulinum is actively growing and releases toxin in the honey. The person becomes ill from ingesting the toxin. This is an example of a/an ______. 

Which of the following Python libraries is commonly used for data manipulation and analysis, as demonstrated by loading datasets into DataFrames?

Consider two DataFrames, df1 with a product_id column and df2 also with a product_id column. Which method is typically used to combine these DataFrames based on their common product_id column?

You want to find the average ‘price’ for each unique ‘category’ in a DataFrame named items_df. Which combination of methods would achieve this?

In supervised machine learning, what is the purpose of splitting a dataset into training and testing sets, as done with train_test_split?

True or False. When an object is stuck to the MRI system, you should immediately quench the magnet so you can remove the object. 

Which of the following alters the magnetic field in the head to foot direction?