MN 551 Unit 5 Midterm Exam / MN551 Unit 5 Midterm
Exam (Version-1): Purdue University |Latest-2023
Question 1.1. A student nurse practitioner asks her preceptor about the origins of different
tissues, and their cellular origins during the process of development. Which of the following
statements by the preceptor best describes the process of cell differentiation? (Points : 3)
“Cells of the hematopoietic system produce the appropriate body cells that are required at each
stage of development.”
“A single stem cell differentiates into approximately 200 different types of cells.”
“A fertilized ovum undergoes a series of divisions, yielding many different cell types.”
“Cells differentiate into necessary body cells, peaking after conception, and ceasing near the time
of birth.”
Question 2.2. A 77-year-old male patient with a diagnosis of stomach cancer has been found to
have metastases in his liver. The patient and his family are surprised at this turn of events, stating
that they don't see how he could have developed cancer in his liver. Which of the following facts
would underlie the reply that the care team provides? (Points : 3)
The parenchymal tissue of the liver is particularly susceptible to secondary malignancies.
The portal circulatory system brings venous blood from the gastrointestinal tract into the liver.
Hepatic stromal tissue shares characteristics with cancerous cells, including lack of anchorage
dependence.
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