(02.04 MC)A researcher studying the brain activity of individuals with Alzheimer’s disease is using PET scans to evaluate areas of the brain experiencing the most functional decline to create a new medication to target cognitive decline. Prior to the procedure, the steps involved in the PET scan process and any potential side effects associated with administering radioactive glucose are explained to the subject and their family. Which of the following ethical guidelines was followed?

The Constitution   a.  empowers each state to negotiate its own treaties with foreign governments.   b.  empowers Congress to pay off all public debts, including those incurred by the states.   c.  allows for states to set tariffs on goods imported from another state.   d.  allows only Congress to set tariffs on goods moving from one state to another.

In colonial America, ____________ was/were especially scarce, while the supply of _______________ was plentiful.   a.  land and labor; capital   b.  capital and labor; land   c.  land and capital; labor   d.  unskilled labor; skilled labor

The Navigation Acts   a.  required certain commodities to be traded within the British empire only.   b.  provided for the free trade of colonial goods, including tobacco, indigo and sugar.   c.  required all colonial trade to be carried on English vessels.   d.  were abolished in 1700.   e.  both a and c are correct.

(02.07 LC)Kevin has been a musician in a rock band for over two decades. After years of playing concerts without protective gear, he noticed that his hearing is muffled, and he has difficulty understanding people’s speech. What type of hearing loss is he likely experiencing?

Although large-scale manufacturing was not characteristic of colonial economic activity, ___________ was an important exception.   a.  steel production   b.  shipbuilding   c.  cotton textile production   d.  fish canning

(02.03 MC)When you are eating dinner with your family, which type of neuron allows you to reach out to scoop yourself more potatoes or grasp your glass of water and lift it to your mouth to take a drink?

Which of the following responsibilities did the Constitution not give to the federal government?    a.  The right to set laws on patents.    b.  The sole right to mint coins.    c.  The right to establish post offices.   d.  The right to tax income.

(03.05 MC)A group of 50 college students volunteered for a study. The participants were randomly assigned to either the control group (quiet room) and the experimental group (noisy room). The participants in both groups were given a list of 50 words to memorize over a 10-minute period. Following a 15-minute break, all participants were asked to write down as many words as they could remember. The results of the study are presented in the table. Condition Average number of words recalled Control (quiet room) 38 Experimental (noisy room) 23 What is the independent variable in this scenario?

Residents of the developing American colonies lived _______ lives compared to people living in the advanced countries of that time because ________.   a.  better; of favorable protections from England   b.  better; of high levels of output per worker.   c.  worse; of unfavorable taxation   d.  worse; of the inaccessibility of both capital and finished machine goods.