Which of the following statements is true regarding collimators? The bottom shutters of the collimator reduce penumbra because of their greater distance from the focal spot. The bottom shutters of the collimator reduce off-focus radiation because of their greater distance from the focal spot. The upper shutters of the collimator reduce penumbra because of their proximity to the x-ray tube. The upper shutters of the collimator reduce off-focus radiation by absorbing this radiation before it exits the tube.

Contrast will increase with each of the following except:

Jenny and Sean are working on a paper together in one of their classes.  Jenny is trying to explain her concerns about their approach to the assignment. Sean tells her that he has class and can only talk for five minutes. While she is explaining her thoughts on the assignment, Sean looks at the time on his phone and glances back and forth between Jenny and the door. What kind of listening style is Sean using?

Of the various decision-making methods described in our text, which one should a leader use if the leader wants to ensure that everyone is on board to move forward with the decision?

When referring to a dwelling, saying a “three-bedroom ranch” instead of a “house” is a matter of word ____________________.

Before a team meeting, a group leader should do all of the following except ____________________.

Eric decides to open his speech on service learning with the following statement: “Among schools that offer service learning, commitment to this teaching method is strong; the vast majority of these schools — in fact, 96% — has either maintained or increased the percentage of students participating in service-learning activities over the past five years.” Eric is using what type of supporting material as an attention-getter?

Verbal immediacy refers to language that is used to reduce psychological distance between the speaker and the audience; it’s a way of using language to enhance your connection with the audience.

Lori noticed that Ahmad rolled his eyes when she was talking to him, so she asked, “Are you annoyed by what I said?” This is an example of Lori engaging in __________________.

Jane is in a car accident and calls her mother immediately to inform her. When Jane’s mother answers the phone, she is confused about what is going on because Jane is speaking so quickly. What aspect of paralanguage (or vocalics) is making it difficult for Jane’s mom to understand what her daughter is saying?