Filters
Question type

Study Flashcards

In regulating vascular mediators released from mast cells, the role of eosinophils is to release what?


A) Arylsulfatase B, which stimulates the formation of B lymphocytes
B) Histaminase, which limits the effects of histamine during acute inflammation
C) Lysosomal enzymes, which activate mast cell degranulation during acute inflammation
D) Immunoglobulin E, which defends the body against parasites

Correct Answer

verifed

verified

Which chemical mediator derived from mast cells retracts endothelial cells to increase vascular permeability and to cause leukocyte adhesion to endothelial cells?


A) Chemokines
B) Prostaglandin E
C) Platelet-activating factor
D) Bradykinin

Correct Answer

verifed

verified

When cellular damage occurs and regeneration is minor with no significant complications, what is the process of returning the cells to preinjury function referred to as?


A) Restoration
B) Resolution
C) Regrowth
D) Replacement

Correct Answer

verifed

verified

A keloid is the result of which dysfunctional wound healing response?


A) Epithelialization
B) Contraction
C) Collagen matrix assembly
D) Maturation

Correct Answer

verifed

verified

What is a role of a natural killer (NK) cells?


A) Initiation of the complement cascade
B) Elimination of malignant cells
C) Binding tightly to antigens
D) Proliferation after immunization with antigen

Correct Answer

verifed

verified

Some older adults have impaired inflammation and wound healing because of which problem?


A) Circulatory system cannot adequately perfuse tissues.
B) Complement and chemotaxis are deficient.
C) Underlying chronic illness(es) exists.
D) Number of mast cells is insufficient.

Correct Answer

verifed

verified

What is the function of opsonization related to the complement cascade?


A) To tag pathogenic microorganisms for destruction by neutrophils and macrophages
B) To process pathogenic microorganisms so that activated lymphocytes can be created for acquired immunity
C) To destroy glycoprotein cell membranes of pathogenic microorganisms
D) To promote anaphylatoxic activity, resulting in mast cell degranulation

Correct Answer

verifed

verified

What does the phagosome step result in during the process of endocytosis?


A) Microorganisms are ingested.
B) Microorganisms are killed and digested.
C) Phagocytes recognize and adhere to bacteria.
D) An intracellular phagocytic vacuole is formed.

Correct Answer

verifed

verified

What is the inflammatory effect of nitric oxide (NO) ?


A) Increases capillary permeability, and causes pain
B) Increases neutrophil chemotaxis and platelet aggregation
C) Causes smooth muscle contraction and fever
D) Decreases mast cell function, and decreases platelet aggregation

Correct Answer

verifed

verified

Which action is a purpose of the inflammatory process?


A) To provide specific responses toward antigens
B) To lyse cell membranes of microorganisms
C) To prevent infection of the injured tissue
D) To create immunity against subsequent tissue injury

Correct Answer

verifed

verified

An older adult is particularly susceptible to infections of which body parts? (Select all that apply.)


A) Lungs
B) Skin
C) Liver
D) Eyes
E) Bladder

Correct Answer

verifed

verified

A student is preparing to irrigate a patient's wound and gathers supplies, including hydrogen peroxide. What response by the health care professional is best?


A) Help the student gather the rest of the supplies.
B) Instruct the student to dilute the hydrogen peroxide.
C) Tell the student to get some normal saline instead.
D) Ask the patient if pain medication is needed first.

Correct Answer

verifed

verified

How does the chemotactic factor affect the inflammatory process?


A) By causing vasodilation around the inflamed area
B) By stimulating smooth muscle contraction in the inflamed area
C) By directing leukocytes to the inflamed area
D) By producing edema around the inflamed area

Correct Answer

verifed

verified

Which chemical mediators induce pain during an inflammatory response? (Select all that apply.)


A) Prostaglandins
B) Leukotrienes
C) Tryptase
D) Phospholipase
E) Bradykinin

Correct Answer

verifed

verified

What occurs during the process of repair after tissue damage?


A) Nonfunctioning scar tissue replaces destroyed tissue.
B) Regeneration occurs; the original tissue is replaced.
C) Resolution occurs; tissue is regenerated.
D) Epithelialization replaces destroyed tissue.

Correct Answer

verifed

verified

What is the vascular effect of histamine released from mast cells?


A) Platelet adhesion
B) Initiation of the clotting cascade
C) Vasodilation
D) Increased endothelial adhesiveness

Correct Answer

verifed

verified

Fusion is the step of phagocytosis during which what happens?


A) Microorganisms are killed and digested.
B) An intracellular phagocytic vacuole is formed.
C) Lysosomal granules enter the phagocyte.
D) Microorganisms are ingested.

Correct Answer

verifed

verified

In the coagulation (clotting) cascade, the intrinsic and the extrinsic pathways converge at which factor?


A) XII
B) VII
C) X
D) V

Correct Answer

verifed

verified

Which cell is the body's primary defense against parasite invasion?


A) Eosinophil
B) Neutrophils
C) T lymphocytes
D) B lymphocytes

Correct Answer

verifed

verified

What do the main functions of NK cells include? (Select all that apply.)


A) Recognizing virus-infected cells
B) Eliminating virus-infected cells
C) Recognizing bacteria-infected cells
D) Eliminating bacteria-infected cells
E) Eliminating previously identified cancer cells

Correct Answer

verifed

verified

Showing 21 - 40 of 46

Related Exams

Show Answer