Persistent metaplasia can lead to dysplasia.
True
False
Barrett esophagus is an example of dysplasia.
True
Cervical intraepithelial
... [Show More] neoplasia is a type of dysplasia.
True
False
Endometrial hyperplasia is a normal physiologic occurrence.
True
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
Which are true of the mitochondria? Select all that apply.
It is involved in cellular respiration
They are found far from the site of energy consumption
They play a role in apoptosis
They control free radicals
Which of the following are true regarding cell communication? Select all that apply.
Paracrine signaling depends on hormones
Neurotransmitters act through synapses
Enzyme linked receptors act through an on-off switch
Autocrine signaling releases a chemical into the extracellular fluid that affects its own activity
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.
The rough ER is the site for lipid synthesis.
Microfilaments are thin, threadlike cytoplasmic structures.
Which is true of the cytoskeleton? Select all that apply.
It controls shape and movement
Cilia and flagella are microtubule-filled cellular extensions
It includes peroxisomes and proteasomes
What factors are used by epidemiologic methods? Select all that apply.
How disease is spread
How to control disease
How to prevent disease
How to eliminate disease
How to treat disease
All of the above
None of the above
A patient complains of a sore throat and headache. What are these examples of? Signs
Symptoms
Both A & B
Which of the following is NOT helpful to the clinician to make a diagnosis?
Detailed history
Physical exam
Chemical agents (poison, alcohol) are examples of which of the following?
Risk factors
Clinical manifestations
Pathogenesis [Show Less]