Question 1

Complement proteins are produced by the spleen.

Accepted Answer

A) True 
 B)False

Question 2

The circulating substances that affect the hypothalamus and initiate fever are

Accepted Answer

A)  complement.
B)  interferons.
C)  leukotrines.
D)  pyrogens.
E)  lysozymes.

Question 3

Which of the following is incorrect about blood cells?

Accepted Answer

A)  after birth,produced in red bone marrow sites
B)  develop from undifferentiated stem cells
C)  include glial cells
D)  include leukocytes that are either granulocytes or agranulocytes
E)  include erythrocytes that,when mature,lose their nuclei

Question 4

A low to moderate fever in an otherwise healthy person should be treated immediately with antipyretic drugs.

Accepted Answer

A) True 
 B)False

Question 5

Each of the following are benefits of fever except it

Accepted Answer

A)  reduces the ability of temperature-sensitive organisms to multiply.
B)  increases the availability of iron.
C)  increases phagocytosis.
D)  increases metabolism.
E)  stimulates hematopoiesis.

Question 6

Which of the following is incorrect about inflammation?

Accepted Answer

A)  Inflammation can last hours to years.
B)  Pyrogens cause vasodilation and increased capillary permeability.
C)  Serotonin causes smooth muscle contraction.
D)  Fever could be beneficial to inhibiting the pathogen.
E)  Basophils and mast cells release histamine.

Question 7

The most numerous WBCs that have multilobed nuclei and are very phagocytic are

Accepted Answer

A)  basophils.
B)  eosinophils.
C)  neutrophils.
D)  monocytes.
E)  lymphocytes.

Question 8

The term _____ is given to any foreign substance that stimulates a specific immune system response.

Accepted Answer

A)  antibody
B)  allergen
C)  antigen
D)  foreign body

Question 9

Certain complement components stimulate inflammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 10

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Accepted Answer

A)  lymph nodes
B)  thymus
C)  spleen
D)  GALT
E)  tonsils

Question 11

Keratin is an important aspect of nonspecific defense because it

Accepted Answer

A)  is toxic to pathogens.
B)  creates a physical barrier against pathogens.
C)  destroys pathogens.
D)  physically restricts pathogens to a specific region.

Question 12

All of the following are granulocytes except

Accepted Answer

A)  neutrophils.
B)  eosinophils.
C)  lymphocytes.
D)  basophils.
E)  All of the choices are granulocytes.

Question 13

Hematopoiesis is the

Accepted Answer

A)  loss of blood due to hemorrhaging.
B)  production of only red blood cells.
C)  production of white blood cells,red blood cells,and platelets.
D)  plugging of broken vessels to stop bleeding.
E)  migration of white blood cells from the blood,out to the tissues.

Question 14

Components of the first line of defense include all of the following except

Accepted Answer

A)  the tough cell sheet of the upper epidermis of the skin.
B)  nasal hairs.
C)  the flushing action of tears and blinking.
D)  the flushing action of urine.
E)  phagocytic white blood cells.

Question 15

A patient visits your clinic often with recurrent respiratory infections.Based upon their medical history,it appears they have been an active smoker for over 40 years.Select the statement that most accurately reflects how this information may reveal why the patient is highly susceptible to respiratory pathogens:

Accepted Answer

A)  smoking decreases the formation and effectiveness of complement proteins.
B)  smoking can paralyze the ciliary escalator.
C)  smoking decreases the activity of neutrophils.
D)  smoking directly inhibits B- and T-cell action.

Question 16

Mycobacterium tuberculosis has chemicals in its cell wall that inhibit the fusion of phagocytic vacuoles with lysosomes.Which statement is then true?

Accepted Answer

A)  Complement proteins will take over to destroy the bacteria.
B)  The bacterium can produce chemicals which can destroy the macrophage housing the bacterium.
C)  The bacterium can survive and replicate inside of the phagocytic cell.
D)  Antibodies produced by the cells can more effectively kill the bacteria.

Question 17

After loading wood into a fireplace,you realize you have gotten a splinter in your finger.Within a short period of time,your finger is painful,red,and swollen,and is warm to the touch.This is an example of

Accepted Answer

A)  nonspecific resistance
B)  specific resistance
C)  acquired immunity
D)  adaptive immunity

Question 18

The least numerous of all white blood cells that release histamine during inflammation and allergic reactions are

Accepted Answer

A)  basophils.
B)  eosinophils.
C)  neutrophils.
D)  monocytes.
E)  lymphocytes.

Question 19

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the

Accepted Answer

A)  skin.
B)  respiratory tract.
C)  digestive tract.
D)  urinary tract.
E)  eyes.

Question 20

The _____ system of blood proteins act to lyse foreign cells and viruses.

Accepted Answer

A)  humoral immunity
B)  cell-mediated
C)  complement
D)  lymphoid

Exam 14: Host Defenses I: Overview and Nonspecific Defenses

The circulating substances that affect the hypothalamus and initiate fever are

Correct Answer
verified

Keratin is an important aspect of nonspecific defense because it

Correct Answer
verified

The _____ system of blood proteins act to lyse foreign cells and viruses.

Correct Answer
verified

Hematopoiesis is the

Correct Answer
verified

Complement proteins are produced by the spleen.

Correct Answer
verified

A low to moderate fever in an otherwise healthy person should be treated immediately with antipyretic drugs.

Correct Answer
verified

Each of the following are benefits of fever except it

Correct Answer
verified

The least numerous of all white blood cells that release histamine during inflammation and allergic reactions are

Correct Answer
verified

Which of the following is incorrect about blood cells?

Correct Answer
verified

The term _____ is given to any foreign substance that stimulates a specific immune system response.

Correct Answer
verified

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the

Correct Answer
verified

Certain complement components stimulate inflammation and phagocytosis.

Correct Answer
verified

After loading wood into a fireplace,you realize you have gotten a splinter in your finger.Within a short period of time,your finger is painful,red,and swollen,and is warm to the touch.This is an example of

Correct Answer
verified

Which of the following is incorrect about inflammation?

Correct Answer
verified

All of the following are granulocytes except

Correct Answer
verified

Components of the first line of defense include all of the following except

Correct Answer
verified

The most numerous WBCs that have multilobed nuclei and are very phagocytic are

Correct Answer
verified

Mycobacterium tuberculosis has chemicals in its cell wall that inhibit the fusion of phagocytic vacuoles with lysosomes.Which statement is then true?

Correct Answer
verified

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Correct Answer
verified

Correct Answer
verified

Exam 14: Host Defenses I: Overview and Nonspecific Defenses

The circulating substances that affect the hypothalamus and initiate fever are

Correct AnswerverifiedShow Answer

Keratin is an important aspect of nonspecific defense because it

Correct AnswerverifiedShow Answer

The _____ system of blood proteins act to lyse foreign cells and viruses.

Correct AnswerverifiedShow Answer

Hematopoiesis is the

Correct AnswerverifiedShow Answer

Complement proteins are produced by the spleen.

Correct AnswerverifiedShow Answer

A low to moderate fever in an otherwise healthy person should be treated immediately with antipyretic drugs.

Correct AnswerverifiedShow Answer

Each of the following are benefits of fever except it

Correct AnswerverifiedShow Answer

The least numerous of all white blood cells that release histamine during inflammation and allergic reactions are

Correct AnswerverifiedShow Answer

Which of the following is incorrect about blood cells?

Correct AnswerverifiedShow Answer

The term _____ is given to any foreign substance that stimulates a specific immune system response.

Correct AnswerverifiedShow Answer

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the

Correct AnswerverifiedShow Answer

Certain complement components stimulate inflammation and phagocytosis.

Correct AnswerverifiedShow Answer

After loading wood into a fireplace,you realize you have gotten a splinter in your finger.Within a short period of time,your finger is painful,red,and swollen,and is warm to the touch.This is an example of

Correct AnswerverifiedShow Answer

Which of the following is incorrect about inflammation?

Correct AnswerverifiedShow Answer

All of the following are granulocytes except

Correct AnswerverifiedShow Answer

Components of the first line of defense include all of the following except

Correct AnswerverifiedShow Answer

The most numerous WBCs that have multilobed nuclei and are very phagocytic are

Correct AnswerverifiedShow Answer

Mycobacterium tuberculosis has chemicals in its cell wall that inhibit the fusion of phagocytic vacuoles with lysosomes.Which statement is then true?

Correct AnswerverifiedShow Answer

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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