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Transport in Mammals

Total questions: 76

Worksheet time: 29mins

Name
Class
Date
1.

The majority of CO2 transport is in the form of

a)

hydrogen carbonate (bicarbonate)

b)

carbomino haemoglobin

c)

CO2 in solution

2.

What enzyme is required for CO2 to be combined with water to make carbonic acid?

a)

carbonic anhydrase

b)

carbonic acid

c)

carbonase

3.

Blood returning from the body enters the

a)

right atrium

b)

left atrium

c)

left ventricle

d)

right ventricle

4.

as the left ventricle contracts, the blood moves to the

a)

aorta

b)

vena cava

c)

arteries

d)

veins

5.

blood returning to the heart from the lungs enters the

a)

right atrium

b)

left atrium

c)

right ventricle

d)

left ventricle

6.

the excitation wave begins at the

a)

sinoatrial node

b)

atrioventricular node

c)

perkyne fibers

7.

the pacemaker region of the heart

a)

SA node

b)

AV node

8.

During atrial systole, the pressure of the blood s __________ in the atrium than the ventricle.

a)

higher

b)

lower

c)

the same

9.

In an ECG, the QRS complex signals the

a)

contraction of the ventricles

b)

relaxation of the atrium

c)

the repolarization of the Ventricle

10.

The T wave in an ECG indicates...

a)

repolarization

b)

depolarization

c)

excitation

11.

P wave of an ECG indicates...

a)

depolarization

b)

repolarization

c)

excitation

12.

During ventricular systole forces the ___________ valves open.

a)

semilunar

b)

atrioventricular

13.

Heart muscle unlike skeletal muscle is said to be

a)

myogenic

b)

neurogenic

c)

cardiogenic

14.

Erythrocyte

a)

red blood cell

b)

white blood cell

c)

platelets

15.

normal blood pressure

a)

120/80

b)

130/60

c)

120/50

d)

150/90

16.

oxygen saturated protein in blood

a)

oxyhaemoglobin

b)

carbomino haemoglobin

c)

haemoglobin

17.

What is the partial pressure of O2 at respiring tissues?

a)

high

b)

low

18.

what is the partial pressure of CO2 in the lungs?

a)

high

b)

low

19.

what color is haemoglobin

a)

red

b)

violet

20.

What sort of circulatory system is the human circulatory system?

a)

An open circulatory system

b)

A single circulatory system

c)

A double circulatory system

d)

A colloidal osmotic circulation index

21.

Which type of blood vessel has a 'pulse'?

a)

Artery

b)

Capillary

c)

Vein

d)

Caliber

22.
What are the 4 components of blood?
a)
White blood cells, Platelets, bone marrow, and oxygen
b)
Plasma, Platelets, yellow blood cells, and nutrients
c)
Plasma, White blood cells, red blood cells, and Platelets
d)
Platelets, Red blood cells, antigens, and Rh factor
23.
What do capillaries, the smallest blood vessels, do?
a)
Exchange O2 only
b)
Exchange CO2 only
c)
exchange nutrients and  oxygen for waste 
d)
break down foods
24.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
25.
What are the other names for white blood cells?
a)
Lymphocytes and phagolymphs
b)
Lymphocytes and phagocytes
c)
Lymphophag and phagolymph
26.

Veins carry blood to your heart.

a)

True

b)

False

27.

In pulmonary circulation blood is taken from...

a)

the heart to the lungs, and back again.

b)

the heart to the rest of the body.

c)

the lungs to the rest of the body.

28.

Which is 2?

a)

Veins

b)

Arteries

c)

Capillaries

29.

what happens in systemic circulation

a)

circulation for the entire body

b)

circulation in the heart only

c)

circulation heart and lungs

d)

circulation to digestion system only

30.

Oxyhaemoglobin gives up O2 when …

a)

CO2 concentrations are high.

b)

Body temperature is lowered.

c)

pH values are high.

d)

O2 concentrations are higher.

31.

The acidity due to the accumulation of H+ in erythrocytes is buffered by …

a)

Haemoglobin.

b)

Plasma proteins.

c)

Carbon dioxide.

d)

Oxygen.

32.

Carbonic anhydrase in the erythrocytes …

a)

Catalyzes the removal of oxygen from the erythrocytes.

b)

Catalyzes the conversion of carbon dioxide into water.

c)

Catalyzes the reaction of carbon dioxide with water to form carbonic acid.

d)

Catalyzes the increase in blood pH.

33.

Which of the following is NOT the structure of haemoglobin?

a)

Each haemoglobin molecule contains 4 haem group

b)

Haemoglobin is a quaternary structure

c)

Every each haem group in haemoglobin can bind with 4 molecule of oxygen

d)

Each haemoglobin has 2 α-chain and 2 β-chain polypeptide subunits

34.
_______ is made mostly of water and makes up about 55% of the blood
a)
Plasma
b)
Platelets 
c)
Red blood cells
d)
White blood cells
35.

The ion found in the haem group is what

a)

Mg2+

b)

O2-

c)

Fe2+

d)

Fe3+

36.

Carbon dioxide and water combine to form

a)

hydrogen carbonate ions

b)

hydrogen ions

c)

carbonic acid

d)

hydrogen bicarbonate

37.

The Bohr Effect/Shift moves the oxygen saturation curve in what direction

a)

up and left

b)

down and right

c)

down and left

d)

up and right

38.

What colour line represents the oxygen saturation curve during intense exercise?

a)

blue

b)

black

c)

red

39.

What are the main things responsible for causing the Bohr Shift?

a)

increased H+ ions

b)

increased carbon dioxide partial pressure

c)

increased oxygen requirements

d)

carbon monoxide's high affinity for haemoglobin

40.

The chamber of the heart with the thickest layer of muscle is

a)

right atrium

b)

left atrium

c)

left ventricle

d)

left atrium

41.

When carbon dioxide binds directly with haemoglobin it forms

a)

carbaminohaemoglobin

b)

carboxyhaemoglobin

c)

carbon diooxyhaemoglobin

d)

carboglobin

42.

The enzyme responsible for catalysing the conversion of water and carbon dioxide into carbonic acid is

a)

carbonyl hydroxylase

b)

carbonic anhydrase

c)

carbonic hydrolase

d)

carbon dioxylase

43.

#1

a)

superior vena cava

b)

inferior vena cava

c)

aorta

d)

pulmonary artery

44.

#14

a)

superior vena cava

b)

inferior vena cava

c)

pulmonary veins

d)

apex

45.

#2

a)

pulmonary artery

b)

pulmonary veins

c)

aorta

d)

superior vena cava

46.

#13

a)

right atrium

b)

left atrium

c)

left ventricle

d)

right ventricle

47.

#8

a)

left ventricle

b)

right ventricle

c)

right atrium

d)

left atrium

48.

#3

a)

pulmonary artery

b)

pulmonary veins

c)

aorta

d)

inferior vena cava

49.

#12

a)

tricuspid valve

b)

mitral/bicuspid valve

c)

aortic valve

d)

pulmonary valve

50.

#7

a)

mitral/bicuspid valve

b)

tricuspid valve

c)

aortic valve

d)

pulmonary valve

51.

#4

a)

pulmonary valve

b)

aortic valve

c)

mitral/bicuspid valve

d)

tricuspid valve

52.

#9

a)

left ventricle

b)

right ventricle

c)

septum

d)

apex

53.

#10

a)

right ventricle

b)

apex

c)

septum

d)

left ventricle

54.

#15

a)

superior vena cava

b)

inferior vena cava

c)

aorta

d)

septum

55.

#5

a)

right ventricle

b)

left ventricle

c)

right atrium

d)

left atrium

56.

#11

a)

right ventricle

b)

left ventricle

c)

left atrium

d)

right atrium

57.

#6

a)

pulmonary valve

b)

aortic valve

c)

mitral/bicuspid valve

d)

tricuspid valve

58.

In the diagram below, which part of the tracing represents the contraction of the atria?

a)

P

b)

T

c)

R

d)

S

59.
The emptying of the atria is controlled by the:
a)
SA node
b)
AV node
c)
Purkinje fibres
d)
Bundle of His
60.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
61.
What fibres allow the ventricles to contract?
a)
SA
b)
AV
c)
Purkinje
d)
Bundle of His
62.
Which letter/s of the ECG shows the ventricles contracting.....
a)
P
b)
QRS
c)
ST
63.
The t-wave correlates with which event?
a)
atrium contraction /signals moving from SA node to AV node
b)
ventricle contraction
c)
ventricle repolarization
d)
both atrial and ventricle contraction
64.

The innermost layer of a blood vessel is called ___________.

a)

tunica intima

b)

tunica media

c)

tunica adventitia

d)

tunica externa

65.

The middle layer of a blood vessel is called ___________.

a)

tunica intima

b)

tunica media

c)

tunica adventitia

d)

tunica externa

66.

The outer layer of a blood vessel is called ___________.

a)

tunica intima

b)

tunica media

c)

tunica adventitia

d)

tunica externa

67.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
68.

Identify the leukocyte

a)

eosinophil

b)

basophil

c)

monocyte

d)

lymphocyte

69.

What type of leukocyte is this?

a)

eosinophil

b)

neutrophil

c)

lymphocyte

d)

monocyte

70.
a)

neutrophil

b)

basophil

c)

eosinophil

d)

lymphocyte

71.
a)

bacteria

b)

platelets

c)

megakaryocytes

d)

basophils

72.

These cells eventually become macrophages that engulf pathogens

a)

monocytes

b)

erythrocytes

c)

lymphocytes

d)

eosinophils

73.

These cells release histamines and other chemicals that increase inflammation

a)

monocytes

b)

basophils

c)

lymphocytes

d)

platelets

74.
Most common WBC; serve as phagocytes
a)
neutrophils
b)
monocyte
c)
lymphocyte
d)
basophil
75.

What type of blood cell is this?

a)

Basophil

b)

Neutrophil

c)

Monocyte

d)

Eosinophil

76.

fight allergic reactions, parasitic infections and inflammation in the body.

a)

Basophil

b)

Monocyte

c)

Lymphocyte

d)

Eosinophil

e)

Neutrophil

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