Chapter 05: Inflammation and Healing

Which of the following result directly from the release of chemical mediators following a moderate burn injury? 1. Pain 2. Local vasoconstriction 3. Increased capillary permeability 4. Pallor

1, 3

Prolonged administration of glucocorticoids such as prednisone may cause: 1. atrophy of lymphoid tissue. 2. increased resistance to infection. 3. thrombocytopenia. 4. decreased protein synthesis.

1, 4

Tears are considered to be part of the: 1. first line of defense. 2. second line of defense. 3. third line of defense. 4. specific defenses. 5. nonspecific defenses.

1, 5

The advantages of applying a biosynthetic skin substitute to a large area of full-thickness burns include: 1. reduced risk of infection. 2. decreased loss of plasma protein and fluid. 3. developing stronger fibrous scar tissue. 4. more rapid healing. 5. regeneration of all glands, nerves, and hair follicles.

1,2,4

Drugs that have anti-inflammatory, analgesic, and antipyretic activities include: 1. COX-2 inhibitors (NSAIDs). 2. glucocorticoids (e.g., prednisone). 3. ibuprofen (NSAID). 4. acetaminophen. 5. aspirin (ASA).

1,3,5

A woman has burns on the anterior surfaces of her right arm, chest, and right leg. The percentage of body surface area burned is approximately: a. 13.5%. b. 18%. c. 22.5%. d. 31.5%.

22.5

What is the correct order of the following events in the inflammatory response immediately after tissue injury? 1. Increased permeability of blood vessels 2. Dilation of blood vessels 3. Transient vasoconstriction 4. Migration of leukocytes to the area 5. Hyperemia

3,5,2,1,4

Which of the following drugs relieves fever and some types of pain but is NOT an anti-inflammatory agent? a. Acetaminophen b. Prednisone c. Aspirin d. Ibuprofen

Acetaminophen

Causes of inflammation include: a. direct physical damage such as cuts and sprains. b. allergic reactions. c. infection. d. All the above

All the above

Which of the following promotes rapid healing? a. Closely approximated edges of a wound b. Presence of foreign material c. Exposure to radiation d. Vasoconstriction in the involved area

Closely approximated edges of a wound

Which statement applies to the recommended emergency care for burns? a. Drop and lie completely still on your back. b. Call a neighbor for help if the burn appears to be extensive. c. Apply lotion and cover burn tightly with a sheet or towel. d. Cover the burn area with clean, cool, or tepid water and remove nonsticking clothing.

Cover the burn area with clean, cool, or tepid water and remove nonsticking clothing.

Which of the following statements regarding inflammation is incorrect? a. Inflammation caused by an allergen or a burn will typically produce a serous exudate. b. Infection is one cause of inflammation. c. Inflammation is the bodys nonspecific response to tissue injury. d. Disorders are named using the ending -sarcoma to indicate inflammation.

Disorders are named using the ending -sarcoma to indicate inflammation.

Which of the following helps to localize and wall off the foreign material during an inflammatory response? a. Lymphocytes b. Increased fluid c. Fibrinogen d. Antibodies

Fibrinogen

Which of the following is a serious potential complication found only with the anti-inflammatory COX-2 inhibitor drugs? a. Increased risk of infection at the site of inflammation b. Reyes syndrome developing in children and young adults c.Increased incidence of heart attacks d. Greatly delayed blood clotting

Increased incidence of heart attacks

Why is an application of cold recommended as part of the RICE first aid measures immediately following an inflammatory response due to injury? a. It improves circulation in the area removing chemical mediators. b. It causes local vasoconstriction to reduce local edema. c. It draws more phagocytic cells to the area to remove debris. d. It promotes immediate healing.

It causes local vasoconstriction to reduce local edema.

Which of the following statements applies to fever? a. Viral infection is usually present. b. Heat-loss mechanisms have been stimulated. c. It is caused by a signal to the thalamus. d. It results from release of pyrogens into the circulation.

It results from release of pyrogens into the circulation.

Which chemical mediator is involved in prolonging the inflammatory response? a. Bradykinin b. Histamine c. Leukotrienes d. Chemotactic factors

Leukotrienes

Which of the following cellular elements found in the inflammatory response are responsible for phagocytosis? a. Macrophages b. Basophils c. B lymphocytes d. T lymphocytes e. Eosinophils

Macrophages

How does scar tissue usually cause obstructions to develop in tube-like structures? a. Scar tissue continues to grow and spread, causing a blockage. b. Scar tissue does not stretch, but rather shrinks in time, causing narrowing. c. Scar tissue twists and forms knots as it develops. d. Scar tissue attaches to nearby normal tissue, causing obstruction.

Scar tissue does not stretch, but rather shrinks in time, causing narrowing.

In normal capillary exchange, what is net hydrostatic pressure based on? a. The difference between the hydrostatic pressure within the capillary, as compared with the hydrostatic pressure of the interstitial fluid b. The relative osmotic pressures in the blood and the interstitial fluid c. The difference between the hydrostatic pressure and osmotic pressure within the capillary d. The difference between the concentrations of blood cells, plasma proteins, and dissolved substances in the blood and the interstitial fluid

The difference between the hydrostatic pressure within the capillary, as compared with the hydrostatic pressure of the interstitial fluid

Aspirin (ASA) is discouraged for treatment of viral infection in children because of: a. decreased bone growth after puberty. b. frequent production of blood clots. c. formation of a granuloma filled with virus. d. the risk of developing Reyes syndrome.

The risk of developing Reyes syndrome.

Identify the correct statement about burns: a. The severity of the burn depends on the temperature, duration, and extent of the burn. b. Young children are less likely to suffer severe burns from immersion in excessively hot water. c. Burns to the palms of the hands are more damaging than burns on the face. d. With a major burn, excessive bleeding usually causes shock.

The severity of the burn depends on the temperature, duration, and extent of the burn.

All of the following are factors that promote healing EXCEPT: a. good nutrition: protein, vitamins A and C. b. a clean, undisturbed wound. c. effective circulation. d. advanced age.

advanced age.

Hypermetabolism is common with major burns because of: a. increased heat loss from the burn wound. b. demand for tissue repair. c. recurrent stress response. d. All of the above

all of the above

The inflammatory response is a nonspecific response to: a. phagocytosis of foreign material. b. local vasodilation. c. any tissue injury. d. formation of purulent exudates.

any tissue injury.

Application of ice to an injured knee reduces edema by: a. promoting return of lymph fluid. b. causing local vasoconstriction. c. increasing the rate of tissue repair. d. causing systemic vasodilation.

causing local vasoconstriction.

Scar tissue consists primarily of: a. granulation tissue. b. epithelial cells. c. collagen fibers. d. new capillaries and smooth muscle fibers.

collagen fibers.

Healing of large areas of skin loss (including dermis and epidermis) would be most successful through: a. rapid mitosis and regeneration of skin layers. b. resolution of damaged cells in the area. c. covering the area with biosynthetic skin substitute. d. graft of fibrous tissue to the area.

covering the area with biosynthetic skin substitute.

One goal for current research in tissue engineering is to: a. create a functional replacement tissue when regeneration is not possible. b. adapt cells from the injured organ to produce replacement tissue. c. design a nonliving synthetic replacement tissue. d. use stem cells as a temporary covering for damaged tissue.

create a functional replacement tissue when regeneration is not possible.

Glucocorticoids are used to treat inflammation because they directly: a. promote the release of prostaglandins at the site. b. decrease capillary permeability. c. mobilize lymphocytes and neutrophils. d. prevent infection.

decrease capillary permeability.

A burn area in which the epidermis and part of the dermis is destroyed is classified as: a. full-thickness. b. deep partial-thickness. c. superficial partial-thickness. d. first-degree.

deep partial-thickness.

The characteristic appearance of a full-thickness burn is: a. painful with multiple blisters. b. heavy bleeding. c. red with some swelling. d. dry, firm, charred, or hard white surface.

dry, firm, charred, or hard white surface.

Systemic effects of severe inflammation include: a. erythema and warmth. b. loss of movement at the affected joint. c. fatigue, anorexia, and mild fever. d. abscess formation.

fatigue, anorexia, and mild fever.

Systemic manifestations of an inflammatory response include: a. edema and erythema. b. area of necrosis and loss of function. c. pain and tenderness. d. fever and malaise.

fever and malaise.

A large burn area predisposes to decreased blood pressure because: a. bleeding occurs under the burn surface. b. the heart is damaged by toxic materials from the burn. c. fluid and protein shift out of the blood. d. vasoconstriction occurs in the burn area.

fluid and protein shift out of the blood.

Mechanisms to bring an elevated body temperature down to the normal level include: a. general cutaneous vasodilation. b. generalized shivering. c. increased heart rate. d. increased metabolic rate.

general cutaneous vasodilation.

Granulation tissue is best described as: a. highly vascular, very fragile, and very susceptible to infection. b. an erosion through the wall of viscera, leading to complications. c. a type of adhesion with no vascularization. d. a form of stenosis, in a duct, that is extremely tough and resists attack by microbes.

highly vascular, very fragile, and very susceptible to infection.

Chemical mediators released during the inflammatory response include: a. albumin and fibrinogen. b. growth factors and cell enzymes. c. macrophages and neutrophils. d. histamine and prostaglandins.

histamine and prostaglandins.

The number of neutrophils in the blood is increased significantly: a. during allergic reactions. b. during chronic inflammation. c. to produce antibodies. d. in order to promote phagocytosis.

in order to promote phagocytosis.

During an inflammatory response, hyperemia is caused by: a. increased blood flow in the area. b. increased capillary permeability. c. irritation of sensory nerve endings by histamine. d. increased leukocytes in the area.

increased blood flow in the area.

he warmth and redness related to the inflammatory response results from: a. increased interstitial fluid. b. production of complement. c. a large number of white blood cells (WBCs) entering the area. d. increased blood flow into the area.

increased blood flow into the area.

Edema associated with inflammation results directly from: a. increased fluid and protein in the interstitial compartment. b. increased phagocytes in the affected area. c. decreased capillary permeability. d. general vasoconstriction.

increased fluid and protein in the interstitial compartment.

Potential complications after healing by scar formation include all the following EXCEPT: a. lack of sensory function in the area. b. contractures and adhesions. c. increased hair growth. d. keloid formation.

increased hair growth.

The term leukocytosis means: a. increased white blood cells (WBCs) in the blood. b. decreased WBCs in the blood. c. increased number of immature circulating leukocytes. d. significant change in the proportions of WBCs.

increased white blood cells (WBCs) in the blood.

The process of phagocytosis involves the: a. ingestion of foreign material and cell debris by leukocytes. b. shift of fluid and protein out of capillaries. c. formation of a fibrin mesh around the infected area. d. movement of erythrocytes through the capillary wall.

ingestion of foreign material and cell debris by leukocytes.

Nonspecific agents that protect uninfected cells against viruses are called: a. neutrophils. b. macrophages. c. interferons. d. pyrogens.

interferons

Systemic manifestations of inflammation include all EXCEPT: a. pyrexia. b. malaise. c. local swelling. d. anorexia.

local swelling

Prostaglandins are produced from ___________ and cause ___________. a. activated plasma protein; increased capillary permeability b. mast cells; vasodilation and pain c. platelets; attraction of neutrophils, chemotaxis d. mast cell granules; activation of histamines and kinins

mast cells; vasodilation and pain

A typical source of infection in burn areas is: a. the skin grafts. b. microbes surviving in the hair follicles in the burn area. c. circulating blood bringing microbes to the burn wound. d. opportunistic virus in digestive tract.

microbes surviving in the hair follicles in the burn area.

he cardinal signs of inflammation include all of the following EXCEPT: a. redness. b. loss of function. c. nausea. d. swelling.

nausea.

Purulent exudates usually contain: a. small amounts of plasma protein & histamine in water. b. red blood cells & all types of white blood cells. c. numerous leukocytes, bacteria, and cell debris. d. large amounts of water containing a few cells.

numerous leukocytes, bacteria, and cell debris.

Isoenzymes in the circulating blood: a. are a type of plasma protein normally present in the circulating blood. b. often indicate the precise location of an inflammatory response. c. are normally released from leukocytes during the inflammatory response. d. are pyrogens, causing low-grade fever.

often indicate the precise location of an inflammatory response.

An abscess contains: a. serous exudate. b. purulent exudate. c. fibrinous exudate. d. hemorrhagic exudate.

purulent exudate.

Inhalation of carbon monoxide is a threat for many burn patients because this gas: a. causes swelling in the trachea. b. quickly reduces the available oxygen in the blood. c. prevents full expansion of the lungs. d. is toxic to the nervous system.

quickly reduces the available oxygen in the blood.

Some local effects of a general inflammatory response would include: a. high, spiking fever and chills. b. redness, warmth, and swelling. c. leukopenia and reduced erythrocyte sedimentation rate (ESR). d. anorexia and headaches.

redness, warmth, and swelling.

Replacement of damaged tissue by similar functional cells is termed: a. fibrosis. b. regeneration. c. resolution. d. repair by scar tissue.

regeneration.

A specific defense for the body is: a. phagocytosis. b. sensitized T lymphocytes. c. the inflammatory response. d. intact skin and mucous membranes.

sensitized T lymphocytes.

A serous exudate is best described as a: a. thin, watery, colorless exudate. b. thick, sticky, cloudy secretion. c. thick, greenish material containing microbes. d. brownish, clotted material.

thin, watery, colorless exudate.