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MOB > blood chapter 26 > Flashcards

blood chapter 26 Flashcards

1
Q

The percentage of red blood cells found in a sample of blood is called the __________.

Multiple Choice
WBC
RBC
hematocrit
differential
serum

A

hematocrit

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2
Q

Plasma makes up what percentage of the blood?
Multiple Choice
25%
35%
45%
55%
65%

A

55%

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3
Q

The production of RBCs in the blood is controlled by which hormone?
Multiple Choice
thyroxin
oxyhemoglobin
cortisol
erythropoietin
oxytocin

A

erythropoietin

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4
Q

Red blood cells live for approximately __________.
Multiple Choice
one month
two months
four months
six months
one year

A

four months

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5
Q

Bacteria and viruses are destroyed by white blood cells called __________.
Multiple Choice
eosinophils
neutrophils
basophils
lymphocytes
erythrocytes

A

neutrophils

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6
Q

Parasitic infections can be controlled by which of these WBCs?
Multiple Choice
eosinophils
neutrophils
basophils
lymphocytes
monocytes

A

eosinophils

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7
Q

Which of these WBCs release histamine and heparin and promote inflammation?
Multiple Choice
eosinophils
neutrophils
basophils
lymphocytes
monocytes

A

basophils

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8
Q

A bacterial infection has been present in a patient for about 2 weeks if the WBC differential shows __________.

Multiple Choice
elevated eosinophils
elevated monocytes
elevated neutrophils
decreased basophils
decreased neutrophils

A

elevated monocytes

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9
Q

Which of the following would the medical provider expect a patient with AIDS to have?

Multiple Choice

decreased granulocytes
decreased monocytes
increased erythrocytes
decreased lymphocytes
decreased erythrocytes

A

decreased lymphocytes

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10
Q

Some WBCs leave the blood vessels by a mechanism called __________.
Multiple Choice
osmosis
diffusion
diapedesis
osmotic pressure
filtration

A

diapedesis

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11
Q

Blood platelets are essential for __________.
Multiple Choice
carrying oxygen
maintaining blood volume
clotting
maintaining blood pressure
reducing inflammation

A

clotting

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12
Q

When blood coagulates on a vessel wall in the absence of a known injury, it is correctly referred to as __________.
Multiple Choice
an embolus
hemostasis
a clot
a thrombus
agglutination

A

a thrombus

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13
Q

hen a part of a thrombus breaks off, it is referred to as __________.
Multiple Choice
an embolus
hemostasis
a clot
a thrombus
agglutination

A

an embolus

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14
Q

An embolus is dangerous because it can eventually become lodged in a small artery in the __________.
Multiple Choice
liver
lungs
intestines
stomach
kidneys

A

lungs

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15
Q

Which of the following occurs when mismatched blood is given to a patient?
Multiple Choice
The patient will die.
The blood received will be destroyed.
The blood will turn yellow.
The blood will fail to circulate properly.
No major problem will result.

A

The blood received will be destroyed.

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16
Q

People with which blood type are universal recipients?
Multiple Choice
A
Rh-negative
Rh-positive
O
AB

A

AB

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17
Q

People with which blood type are universal donors?
Multiple Choice
Rh-positive
Rh-negative
B
AB
O

A

O

18
Q

People with which blood type can receive only one type of blood?
Multiple Choice
A
B
AB
O
Rh-positive

A

O

19
Q

A woman of childbearing age should know her Rh type because if she is Rh-negative and conceives a child that is Rh-positive, __________.
Multiple Choice
her first pregnancy could prove fatal to her
her first infant will have erythroblastosis fetalis
her second baby will have erythroblastosis fetalis
she will need blood transfusions after delivery
her second pregnancy could prove fatal to her

A

her second baby will have erythroblastosis fetalis

20
Q

Globulins are plasma proteins that __________.
Multiple Choice
pull water into the blood
transport lipids and some vitamins
aid in blood clotting
maintain the blood pressure
help control bleeding

A

transport lipids and some vitamins

21
Q

Fibrinogen is a plasma protein that __________.
Multiple Choice
pulls water into the blood
transports lipids
aids in blood clotting
transports some vitamins
maintains the blood pressure

A

aids in blood clotting

22
Q

When a blood vessel is broken, what is the body’s first response?
Multiple Choice
platelet plug formation
vasodilation
smooth muscle contraction
blood coagulation
blood clot formation

A

smooth muscle contraction

23
Q

The formation of a blood clot is called __________.
Multiple Choice
agglutination
hemostasis
coagulation
diapedesis
hemolysis

A

coagulation

24
Q

Blood clots are formed from __________, which sticks to the damaged area of the blood vessel, creating a mesh that entraps blood cells and platelets.
Multiple Choice
fibrin
albumin
globulin
serum
urea

A

fibrin

25
Q

If an embolus lodges in a coronary artery, it may cause __________.
Multiple Choice
a stroke
pulmonary embolism
high blood pressure
pericarditis
myocardial infarction

A

myocardial infarction

26
Q

The most likely result of agglutination following a blood transfusion is __________.
Multiple Choice
cerebrovascular accident
severe anemia
pulmonary embolism
myocardial infarction
polycythemia vera

A

severe anemia

27
Q

Which of the following individuals is most at risk for erythroblastosis fetalis?
Multiple Choice
an Rh-positive mother
an Rh-negative mother
an Rh-negative father
the first Rh-negative fetus born to an Rh-positive mother
the second Rh-positive fetus born to an Rh-negative mother

A

the second Rh-positive fetus born to an Rh-negative mother

28
Q

If a fetus develops erythroblastosis fetalis, what medical intervention is often required at birth?
Multiple Choice
multiple blood transfusions
supplemental oxygen
intravenous antibiotics
UV light therapy
RhoGAM injections

A

multiple blood transfusions

29
Q

The most common cause of anemia is __________.
Multiple Choice
vitamin deficiency
kidney failure
AIDS
iron deficiency
chronic illness

A

iron deficiency

30
Q

Which of the following populations is most affected by sickle cell anemia?
Multiple Choice
Caucasians
Asians
African Americans
Latino Americans
Native Americans

A

African Americans

31
Q

Which of the following is a sign or symptom of sickle cell anemia?
Multiple Choice
reddened skin
fever
nausea
delayed growth

A

delayed growth

32
Q

About how much blood does the average adult body contain?
Multiple Choice
1 to 2 liters
2 to 4 liters
4 to 6 liters
6 to 8 liters
8 to 10 liters

A

4 to 6 liters

33
Q

Which of the following is considered a normal WBC count?
Multiple Choice
2,600 cells
3,800 cells
6,700 cells
11,200 cells
12,300 cells

A

6,700 cells

34
Q

Which of the following patients is most likely to have thalassemia?
Multiple Choice
a patient of Mediterranean descent
a native American
a Latino American
a Caucasian male
a Caucasian female

A

a patient of Mediterranean descent

35
Q

Which abbreviation is used for the term hemoglobin?

Multiple Choice

RBC
Hct
Hgb
CBC
WBC

A

Hgb

36
Q

Which of the following is the smallest of the plasma proteins that pull water into the bloodstream to help maintain blood pressure?

Multiple Choice

fibrinogen
albumins
globulins
platelets
thrombocytes

A

albumins

37
Q

What term describes the moving portion of a thrombus?

rev: 08_11_2022_QC_CS-310545

Multiple Choice

embolus
leukocytes
fibroblast
hemostasis

A

embolus

38
Q

A brain attack is also commonly referred to as:

Multiple Choice

a headache.
a myocardial infarction.
a seizure.
a stroke.

A

a stroke.

39
Q

Which of the following is not a symptom of a stroke?

Multiple Choice

Paralysis
Problems with memory
Shortness of breath
Speech difficulties

A

Shortness of breath

40
Q

A stroke may be treated with all of the following EXCEPT:

Multiple Choice

chemotherapy
medication
medication
speech therapy

A

chemotherapy

MOB (15 decks)

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