(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?

(04.03 MC)A researcher wanted to examine the effect of continued education on crystallized intelligence in individuals aged 45-75. To do this, he designed a study comparing two groups: one group that has consistently engaged in learning activities throughout adulthood and another group that has not. At several intervals, participants were given a general knowledge assessment. Scores were compared across age groups. What type of data was collected in this study?

(02.03 LC)If a person is experiencing physical pain, which class of drugs is most likely to be prescribed?

(03.06 LC)An achievement test be most appropriate to do which of the following?

(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?

(04.04 MC)Patrick, a one-year-old baby, attends a daycare where his teacher is bilingual. While at school, Patrick looks at a book, points to a picture, and says “gato.” When he sees the same picture at home, he says “cat.” Which stage of language development is Patrick in?

(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?

(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?

(04.02 LC)Which of the following teratogens may result in birth defects like a smaller than normal head, learning difficulties, and distinct facial features?

(04.02 LC)If Maxwell is interested in testing his newborn’s rooting reflex, which of the following actions should he take?