NUR 221 Unit 1 Test UPDATED ACTUAL
Exam Questions and CORRECT Answers
_______ is the body's ability to resist infectious disease - CORRECT ANSWER -
Immunity
Nonspecific immunity must be primed by an initial exposure to an antigen before it can protect
the body against disease.
True
False - CORRECT ANSWER - False
The immune system protects the body by distinguishing _____.
upper from lower
self from non-self
inside from outside
positive from negative - CORRECT ANSWER - self from non-self
Leukocytes that can engulf and destroy pathogens are known as _____.
mast cells
macrophages
neutrophils
phagocytes - CORRECT ANSWER - phagocytes
Nonspecific immunity is present at birth and provides immediate, short-term protection against
any antigen.
True
False - CORRECT ANSWER - True
,An __________ is any foreign substance that, when introduced into the body, activates the
immune system. - CORRECT ANSWER - antigen
Nonspecific immunity is also known as __________ immunity. - CORRECT ANSWER -
innate
Secretions such as tears, saliva, sweat, and sebum contain chemicals that destroy foreign
invaders.
True
False - CORRECT ANSWER - true
Natural killer cells are a type of _____.
leukocyte
erythrocyte
plasma cell
albumin - CORRECT ANSWER - leukocyte
_____ is a group of plasma proteins that assist in the destruction of foreign cells.
Complement
ELISA
Albumin
SLE - CORRECT ANSWER - complement
While complement is part of nonspecific immunity, it helps both nonspecific and specific
immunity.
True
False - CORRECT ANSWER - true
, Leukocytes like macrophages and neutrophils can engulf and destroy pathogens, a process called
__________. - CORRECT ANSWER - phagocytosis
__________ are antiviral proteins produced by some animal cells after a viral infection. -
CORRECT ANSWER - interferons
Natural killer cells recognize and eliminate virus-infected cells and bacteria-infected cells.
True
False - CORRECT ANSWER - false
Interferons increase the activity of _____.
erythrocytes and leukocytes
phagocytes and neutrophils
macrophages and natural killer cells
plasma and complement - CORRECT ANSWER - macrophages and natural killer cells
_____ can cause dehydration, nausea, disorientation, hallucinations, seizures, and convulsions.
Very low fevers
Very high fevers
Hypersensitivity
Hyposensitivity - CORRECT ANSWER - very high fevers
The inflammatory response can be triggered by infection, trauma, intense heat, and chemicals.
True
False - CORRECT ANSWER - true
A __________, or an abnormally high body temperature, is a systematic response to an infection.
- CORRECT ANSWER - fever
Exam Questions and CORRECT Answers
_______ is the body's ability to resist infectious disease - CORRECT ANSWER -
Immunity
Nonspecific immunity must be primed by an initial exposure to an antigen before it can protect
the body against disease.
True
False - CORRECT ANSWER - False
The immune system protects the body by distinguishing _____.
upper from lower
self from non-self
inside from outside
positive from negative - CORRECT ANSWER - self from non-self
Leukocytes that can engulf and destroy pathogens are known as _____.
mast cells
macrophages
neutrophils
phagocytes - CORRECT ANSWER - phagocytes
Nonspecific immunity is present at birth and provides immediate, short-term protection against
any antigen.
True
False - CORRECT ANSWER - True
,An __________ is any foreign substance that, when introduced into the body, activates the
immune system. - CORRECT ANSWER - antigen
Nonspecific immunity is also known as __________ immunity. - CORRECT ANSWER -
innate
Secretions such as tears, saliva, sweat, and sebum contain chemicals that destroy foreign
invaders.
True
False - CORRECT ANSWER - true
Natural killer cells are a type of _____.
leukocyte
erythrocyte
plasma cell
albumin - CORRECT ANSWER - leukocyte
_____ is a group of plasma proteins that assist in the destruction of foreign cells.
Complement
ELISA
Albumin
SLE - CORRECT ANSWER - complement
While complement is part of nonspecific immunity, it helps both nonspecific and specific
immunity.
True
False - CORRECT ANSWER - true
, Leukocytes like macrophages and neutrophils can engulf and destroy pathogens, a process called
__________. - CORRECT ANSWER - phagocytosis
__________ are antiviral proteins produced by some animal cells after a viral infection. -
CORRECT ANSWER - interferons
Natural killer cells recognize and eliminate virus-infected cells and bacteria-infected cells.
True
False - CORRECT ANSWER - false
Interferons increase the activity of _____.
erythrocytes and leukocytes
phagocytes and neutrophils
macrophages and natural killer cells
plasma and complement - CORRECT ANSWER - macrophages and natural killer cells
_____ can cause dehydration, nausea, disorientation, hallucinations, seizures, and convulsions.
Very low fevers
Very high fevers
Hypersensitivity
Hyposensitivity - CORRECT ANSWER - very high fevers
The inflammatory response can be triggered by infection, trauma, intense heat, and chemicals.
True
False - CORRECT ANSWER - true
A __________, or an abnormally high body temperature, is a systematic response to an infection.
- CORRECT ANSWER - fever
