Exams & Certification

There is room to add one more analyst to the team. From purely a benefit/cost perspective, who should you hire? The correct answer and explanation is: To determine who to hire from a benefit/cost perspective, you should assess the potential value each candidate could bring to the team compared to the costs associated with hiring […]

What causes down syndrome? Group of answer choices trisomy nondisjunction of homologues nondisjunction of chromatids monosomy The correct answer and explanation is: The correct answer is nondisjunction of homologues. Down syndrome is caused by the presence of an extra chromosome 21, making a total of 47 chromosomes instead of the usual 46. This extra chromosome

Humans are triploblastic; which means that in our early embryos, we are made of three separate germ layers. Which of the following structures is not derived from mesoderm? Arteries and veins The muscles The brain The bones The correct answer and explanation is: The correct answer is The brain. Humans are triploblastic organisms, meaning they

Anti-Rh antibodies are an example of what class of immunoglobulin? IgG IgE IgA IgM The correct answer and explanation is: The correct answer is IgG. IgG is the class of immunoglobulin that anti-Rh antibodies belong to. Immunoglobulins, or antibodies, are proteins produced by B cells in response to pathogens or other foreign substances. There are

If five devices are connected to the same switch and the network is operating at 1 Gbps, what is the maximum bandwidth for a single device? 200 Mbps 5 Gbps 50 Gbps 1 Gbps The correct answer and explanation is: The correct answer is 1 Gbps. When five devices are connected to the same switch

What is the purpose of the sagittal crest? a. Greater tooth surface b. Muscle attachment c. Larger teeth d. Jaw protection The correct answer and explanation is: The correct answer is b. Muscle attachment. The sagittal crest is a ridge of bone running along the midline of the skull, primarily found in some mammals, including

A minor may consume alcohol only if they are: A. In the visible presence of their legal aged parents, legal guardian, or spouse B. Turning 21 years old the next day C. With a family member who is at least 21 years of age D. On property owned by their parents or legal guardian The

In the United States, the two demographic groups that have the lowest rates of death as a result of suicide are: a. African American men and Hispanic women. b. African American women and Hispanic American women. c. White women and men. d. African American men and women. The correct answer and explanation is: The correct

The LPN is working in a long term care facility and caring for all of the following residents. Which patient is most likely to be dehydrated? A 72-year old who is consuming large amounts of water. A 78-year old who has lost 1 pound in the last week. A 71-year old who has diarrhea. An

For multidimensional arrays, the column-major form of allocation can be used only if all array indices must be specified together. Select one: True False The correct answer and explanation is: The correct answer is True. In column-major order, elements of a multidimensional array are stored in memory column by column. This means that all elements