Tree shrews are small mammals that are related to primates. A research team examined paw preference among 30 tree shrews when grasping food out of a tube too small to simply use their snouts. They found that 13 (43%) were left-pawed, 14 (47%) were right-pawed, and three (10%) didn’t display a strong preference. What was/were the variable(s) of interest in this study?

What is the outermost sheath-like covering of bone called?

The trochlea of the humerus articulates with ____________.

Doctors are interested in studying whether playing video games might distract teenage patients during a minor procedure and thereby decrease the sensation of pain. Because they are concerned that patients with less experience playing video games may be either more or less focused on the game than those with more experience, they decide to first place the 12 patients with more video game experience in Group A and then place the 12 patients with less experience in Group B. Then they randomly assigned 6 of the patients with more experience and 6 of the patients with less experience to play video games during the procedure. The remaining patients were told to breathe deeply. What type of study is this?

Suppose that you wanted to study the proportion of TAMU students that like math, so you stood in front of the math building and asked some students that walked in whether or not they liked math or not. What kind of sample is this, and why might it be problematic?

The histogram shown below represents 40 students’ scores on a statistics exam. Which of the following best describes the shape of the scores?

Choose all that apply: Which items are needed to maintain operating room Asepsis?

Check all that apply: Which are human and equipment errors that can lead to an anesthetic emergency.

Appropriate cleaning procedures begin with a thorough presoaking of instruments to rid the items of any blood or tissue.

__________ sutures are considered easier to pass through the tissue because they cause less resistance.