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NUR154 > Haemotology > Flashcards

Haemotology Flashcards

1
Q 
The combination of plasma and formed elements is called
Select one:
a. serum
b. lymph
c. whole blood
d. extracellular fluid
e. packed blood
A

c. Whole blood count

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2
Q 
An anaemia that is caused by failure of the bone marrow to produce new red blood cells is called \_\_\_\_\_\_\_\_\_\_\_\_\_ anaemia
Select one:
a. pernicious
b. dietary
c. hemorrhagic
d. aplastic
e. sickle cell
A

d. Aplastic

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3
Q 
Platelets are formed from cells in the bone marrow called
Select one:
a. erythroblasts
b. normoblasts
c. megakaryocytes
d. myeloblasts
e. lymphoblasts
A

c. Megakaryocytes

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4
Q 
Red blood cell production is regulated by the hormone
Select one:
a. thymosin.
b. angiotensin 
c. erythropoietin
d. M-CSF
e. cobalamin
A

c. Erythropoietin

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5
Q 
Fresh whole blood for testing in a laboratory is usually collected from
Select one:
a. the heart
b. a superficial artery
c. a superficial vein
d. a capillary
e. an arteriole
A

c. A superficial Vein

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6
Q 
Agranular leukocytes are formed in
Select one:
a. the liver
b. the spleen
c. the thymus
d. red bone marrow
e. yellow bone marrow
A

c. The thymus

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7
Q 
Most of the iron that is removed from degraded haemoglobin is
Select one:
a. excreted by the kidneys
b. excreted by the liver
c. excreted by the intestines
d. recycled to the bone marrow
e. stored in yellow bone marrow
A

d. recycled to the bone marrow

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8
Q 
The most abundant proteins in blood plasma are
Select one:
a. globulins
b. transport proteins
c. albumins
d. lipoproteins
e. fibrinogens
A

c. albumins

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9
Q

Each of the following is a characteristic of whole blood, except a
Select one:
a. temperature approximately 38 degrees Celsius
b. viscosity about the same as water
c. pH of 7.4
d. bright red colour if taken from an artery
e. dull red colour if taken from a vein

A

b. viscosity about the same as water

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10
Q 
White blood cells that release histamine at the site of an injury are
Select one:
a. neutrophils
b. eosinophils
c. basophils
d. lymphocytes
e. monocytes
A

c. basophils

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11
Q 
In adults, erythropoiesis primarily takes place in
Select one:
a. the liver
b. yellow bone marrow
c. red bone marrow
d. the spleen
e. the kidneys
A

c. red bone marrow

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12
Q

Erythropoiesis increases when
Select one:
a. oxygen levels in the blood increase
b. oxygen levels in the blood decrease
c. carbon dioxide levels in the blood increase
d. carbon dioxide levels in the blood decrease
e. protein levels in the blood increase

A

b. oxygen levels in the blood decrease

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13
Q

Platelets are

Select one:

a. large cells that lack a nucleus
b. small cells that lack a nucleus
c. large cells with a prominent, indented nucleus
d. small cells with a many-shaped nucleus
e. fragments of megakaryocyte cells

A

e. fragments of megakaryocytic cells

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14
Q

The waste product bilirubin is produced from
Select one:
a. globin chains of haemoglobin
b. portions of haeme molecules that contain iron
c. portions of haeme molecules that do not contain iron
d. iron found in haemoglobin molecules
e. abnormal proteins found in red blood cells

A

c. portions of haeme molecules that do not contain iron

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15
Q

Which of the following statements concerning red blood cells is false?
Select one:
a. Red cells are biconcave discs
b. Red cells lack mitochondria
c. Red cells have a large nucleus
d. Red cells are specialized for carrying oxygen
e. Red cells can form stacks called rouleaux

A

c. red cells have a large nucleus

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16
Q 
A person who has a low blood volume is said to be
Select one:
a. hypovolaemic
b. hypervolaemic
c. normovolaemic
d. isovolaemic
e. antivolaemic
A

a. hypocolaemic

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17
Q 
A condition in which the haematocrit is elevated and the blood volume is normal would be
Select one:
a. polycythemia
b. leukocytosis
c. thrombocytosis
d. anaemia
e. leukaemia
A

a. polycythemia

18
Q 
White blood cells that increase in number during an allergic reaction or in response to parasitic infections are the
Select one:
a. neutrophils
b. eosinophils
c. basophils
d. lymphocytes
e. monocytes
A

b. eosinophils

19
Q 
Plasma proteins that are necessary for blood clotting are the
Select one:
a. albumins
b. fibrinogens Correct
c. immunoglobulins
d. metalloproteins
e. lipoproteins
A

b. fibrinogens

20
Q 
The function of haemoglobin is to
Select one:
a. carry oxygen
b. protect the body against infectious agents
c. aid in the process of blood clotting
d. both A and C
A

a. carry oxygen

21
Q 
A red blood cell that contains normal amounts of haemoglobin would be called
Select one:
a. hyperchromic
b. normochromic
c. hypochromic
d. normocytic
e. macrocytic
A

b. normochromic

22
Q 
Red blood cells are formed in
Select one:
a. the liver
b. the spleen
c. red bone marrow
d. yellow bone marrow
e. lymph nodes
A

c. red bone marrow

23
Q

All of the following are true of neutrophils, except that they are
Select one:
a. granular leukocytes
b. phagocytic
c. also known as polymorphonuclear leukocytes
d. important in coagulation
e. active in fighting bacterial infections

A

d. important in coagulation

24
Q 
The process of red blood cell production is called
Select one:
a. erythrocytosis
b. erythropaenia
c. hemocytosis
d. erythropoiesis
e. haematopaenia
A

d. erythropoieses

25
Q 
Stem cells responsible for the production of most white blood cells originate in the
Select one:
a. liver
b. thymus
c. spleen.
d. red bone marrow
e. lymph tissue
A

d. red bone marrow

26
Q

The function of red blood cells is to

Select one:

a. remove carbon dioxide from active cells
b. remove nitrogenous wastes from active tissues
c. defend the body against infectious organisms
d. carry oxygen from the lungs to the body’s cells
e. carry nutrients from the digestive system to the body’s cells

A

d. carry oxygen from the lungs to the body’s cells

27
Q 
Blood is composed of all of the following, except
Select one:
a. plasma
b. formed elements
c. blood cells
d. cell fragments
e. interstitial fluid
A

e. interstitial fluid

28
Q 
As a result of breaking down large amounts of RBCs, your skin may appear which colour?
Select one:
a. tan
b. pink
c. yellow Correct
d. red
e. none of the above
A

c. yellow

29
Q 
What are the large phagocytic white cells that spend most of their time outside the blood as macrophages?
Select one:
a. Neutrophils
b. Eosinophils
c. Basophils
d. Lymphocytes
e. Monocytes
A

e. monocytes

30
Q 
The main event of the platelet phase is
Select one:
a. vascular spasm
b. activation of fibrinogen
c. clot retraction
d. formation of a platelet plug
e. contraction of platelets
A

d. formation of the platelet plug

31
Q 
What is the name of immature erythrocytes that are sometimes found in peripheral blood samples?
Select one:
a. Erythroblasts
b. Normoblasts
c. Myeloblasts
d. Band cells
e. Reticulocytes
A

e. reticulocytes

32
Q

The total volume of blood in the body of a 70kg man is approximately _____ litres

Select one:

a. less than 2
b. 25–30
c. 5–6
d. 10–15
e. 2–4

A

c. 5-6 L

33
Q

Functions of the blood include all of the following, except
Select one:
a. transport of nutrients and wastes
b. generation of body heat
c. restricting fluid loss
d. body defence
e. regulation of pH and electrolyte concentration of interstitial fluids

A

e. regulation of pH and electrolyte concentration of interstitial fluid

34
Q 
The formed elements of the blood include
Select one:
a. blood cells
b. clotting proteins
c. defence proteins
d. lipoproteins
e. albumins
A

a. blood cells

35
Q 
The most abundant blood cells in the body are
Select one:
a. RBCs Correct
b. plasma
c. WBCs
d. leukocytes
e. none of the above
A

a. RBC’s

36
Q 
When checking the efficiency of gas exchange, it may be necessary to draw a blood sample from
Select one:
a. the heart
b. the lungs
c. an artery
d. a vein
e. capillaries
A

c. an artery

37
Q 
Aged and damaged erythrocytes are broken down by the
Select one:
a. spleen
b. thymus gland
c. kidneys
d. digestive tract
e. both A and C
A

a. spleen

38
Q 
Plasma proteins that are important in body defence are the
Select one:
a. albumins
b. fibrinogens
c. immunoglobulins
d. metalloproteins
e. lipoproteins
A

c. immunoglobulins

39
Q

Platelets function in all of the following, except
Select one:
a. dissolving a formed clot
b. forming temporary patches in injured areas
c. contraction after clot formation
d. initiating the clotting process
e. transporting chemicals important for clotting

A

a. dissolving a formed clot

40
Q 
Stem cells responsible for the process of lymphopoiesis are located in all of the following, except
Select one:
a. the spleen
b. the kidney
c. the lymph nodes
d. the red bone marrow Incorrect
e. the thymus
A

b. kidney

NUR154 (4 decks)

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