Path 231 exams reviews
Exam 1
Question 1
2.5 / 2.5 pts
True/False:
Persistent metaplasia can lead to dysplasia.
Correct!
True
False
Question 2
0
... [Show More] / 2.5 pts
True/False:
Barrett esophagus is an example of dysplasia.
You Answered
True
Correct Answer
False
Question 3
2.5 / 2.5 pts
True/False:
Cervical intraepithelial neoplasia is a type of dysplasia.
Correct!True
False
Question 4
0 / 2.5 pts
True/False:
Endometrial hyperplasia is a normal physiologic occurrence.
You Answered
True
Correct Answer
False
Question 5
10 / 10 pts
Match the following:
1. Proportion of people with a disease who are positive for that disease
a. Validity
2. How likely the same result will occur if repeated
b. Reliability
3. How a tool measures what it is intended to measure
c. Sensitivity
4. People without the disease who are negative on a given test
d. Specificity
Correct!
Proportion of people with a disease who are positive for that disease
c. SensitivityCorrect!
How likely the same result will occur if repeated
Correct!
How a tool measures what it is intended to measure
Correct!
People without the disease who are negative on a given test
Question 6
1.25 / 2.5 pts
Multiple Choice
Which are true of the mitochondria? Select all that apply.
Correct!
It is involved in cellular respiration
You Answered
They are found far from the site of energy consumption
Correct!
They play a role in apoptosis
They control free radicals
Question 7
1.25 / 2.5 pts
Which of the following are true regarding cell communication? Select all that apply.
b. Reliability
a. Validity
d. SpecificityYou Answered
Paracrine signaling depends on hormones
Correct!
Neurotransmitters act through synapses
Enzyme linked receptors act through an on-off switch
Correct!
Autocrine signaling releases a chemical into the extracellular fluid that affects its own activity
Question 8
2.5 / 2.5 pts
Multiple Choice
Which of the following are false of the cell?
Proteins carry out the functions of the cell membrane.
Lysosomes are the digestive system of the cell.
Correct!
The rough ER is the site for lipid synthesis.
Microfilaments are thin, threadlike cytoplasmic structures.
Question 9
2.5 / 2.5 pts
Which is true of the cytoskeleton? Select all that apply.
Correct!It controls shape and movement
Correct!
Cilia and flagella are microtubule-filled cellular extensions
It includes peroxisomes and proteasomes
Question 10
1.88 / 2.5 pts
What factors are used by epidemiologic methods? Select all that apply.
Correct!
How disease is spread
Correct!
How to control disease
Correct!
How to prevent disease
Correct!
How to eliminate disease
You Answered
How to treat disease
All of the above
None of the aboveQuestion 11
2.5 / 2.5 pts
Multiple Choice
A patient complains of a sore throat and headache. What are these examples of?
Signs
Correct!
Symptoms
Both A & B
Question 12
0 / 2.5 pts
Multiple Choice
Which of the following is NOT helpful to the clinician to make a diagnosis?
You Answered
Detailed history
Physical exam
Correct Answer
Evidence based practice
Laboratory tests
Question 130 / 2.5 pts
Multiple Choice
Chemical agents (poison, alcohol) are examples of which of the following?
You Answered
Risk factors
Clinical manifestations
Pathogenesis
Correct Answer
Etiologic factors
Question 14
10 / 10 pts
Define primary prevention and give an example:
Your Answer:
when the risk factors has to be remove to stop the disease from occurring
example-eathing healthy / exercising to stay in shape or prevent heart disease.Giving vaccination
to pervent disease in children
The goal of primary prevention is to remove risk factors to prevent disease from occurring.
Examples include taking folic acid while pregnant to prevent neural tube defects,
vaccinating children to prevent communicable disease, eating healthy and exercising to
prevent heart disease, and wearing seatbelts or helmets.
Question 15
10 / 10 pts
Explain apoptosis and why it is necessary:
Your Answer:
apoptosis is the programmed of cell death.this process is necessary for cell dividing because it is
removing unwanted cells to make way for new cell.Apoptosis is programmed cell death. This process eliminates cells that are worn out, have
been produced in excess, have developed improperly, or have genetic damage. Apoptosis is
also responsible for several normal physiologic processes, like replacing cell in the intestinal
villi and removing aging red blood cells.
Question 16
10 / 10 pts
Explain what necrosis is and give an example and description of one type of necrosis.
Your Answer:
necrosis is when cell dies in an organ/tissues that is still alive .this process can interferes with the
tissue regeneration and how cell can be replace.
one type of necrosis is gengrenouse necrosis which can bowel or the lower extremities that may
causes changes in tussue and it functions [Show Less]