On the first day after a right pneumonectomy, a client suddenly sits straight up in bed. The client's respirations are labored, and a crowing sound is audible. The client's skin is pale, cool, and moist. Which action is priority?
a) The client's skin is pale, cool, and moist. Which action is priority?
b) Notify the primary healthcare provider
c) Check the chest tube for patency
d) Inspect the incision for bleeding
e) Auscultate the left lung

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Nucleic acids offer variability because they contain alternate forms of genes called .

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different