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Unit 5 Biology

Total questions: 70

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
2.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
3.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
4.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
5.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
6.
What do the terms hydrophobic and hydrophilic mean?
a)
loves water and hates water
b)
 loves hydrogen and hates hydrogen
c)
hates hydrogen and loves hydrogen
d)
 hates water and loves water
7.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
8.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
9.
Solutes move against the concentration gradient, therefore energy is needed. 
a)
Passive Transport
b)
Active Transport
10.
This uses energy
a)
endocytosis
b)
exocytosis
c)
both
11.
Water has diffused ___________ of this cell.
a)
into 
b)
in and out of
c)
out of
12.
If the sodium concentration inside a cell is greater than outside the cell, how can a cell take in more sodium?
a)
osmosis
b)
diffusion
c)
active transport
d)
passive transport
13.
if you put a plant in salt water it will ...
a)
swell because water diffuses into the cells
b)
swell because water diffuses out of the cell
c)
shrivel because water diffuses out of the cell
14.

Which type of biological macromolecule is the main component of the plasma membrane?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

15.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

a)

the phosphate "head"

b)

the lipid "tails"

16.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHILIC?

a)

the phosphate "head"

b)

the lipid "tails"

17.

Where can carbohydrates be found when part of a plasma membrane?

a)

On the outside of the membrane

b)

On the inside of the membrane

c)

Embedded part of the way into the membrane

d)

Embedded the whole way through the membrane

e)

All of the above

18.
Which of the following is a synonym for the circulatory system?
a)
respiratory system
b)
digestive system
c)
nervous system
d)
cardiovascular system
19.
These cells, in the blood, carry oxygen and give the blood its color.
a)
white blood cells
b)
plasma
c)
platelets
d)
red blood cells
20.
This type of vessel carries blood TO the heart:
a)
vein
b)
nerve
c)
muscle
d)
artery
21.
When oxygen-rich blood is carried AWAY from the heart, it travels through an...
a)
artery
b)
neuron
c)
vein
d)
straw
22.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
23.
Veins have special ________________ to stop blood from flowing backward.
a)
gravity
b)
valves
c)
arteries
d)
ventricles
24.
The cells in the blood that help fight germs and illnesses are the...
a)
red blood cells
b)
platelets
c)
white blood cells
d)
axons
25.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
26.

Your heart is an involuntary muscle that is always working.

a)

True

b)

False

27.

The heart is made of which of the following types of muscles?

a)

Cardiac muscle

b)

Striated muscle

c)

Smooth muscle

d)

None of the above

28.

Your heart always pumps at the same rate.

a)

True

b)

False

29.

Electricity cause your muscles to contract.

a)

True

b)

False

30.

Which of the following are chambers of the heart?

a)

Valves

b)

Atrium and ventricle

c)

Arteries and veins

d)

Sinoatrial nerve

31.

The pulmonary artery is the artery that carries the blood to your heart from your lungs.

a)

True

b)

False

32.
Unoxygenated blood enters the right atrium from the top of the heart.
a)
inferior vena cava
b)
superior vena cava
c)
aorta
33.
name of the valve that separates right atrium from right ventricle.
a)
tricuspid
b)
aortic
c)
mitral
34.
Name of the valve that separates left atrium from left ventricle.
a)
mitral valve
b)
tricuspid
c)
pulmonary valve
35.

What is the ECG showing

a)

Atrial Fibrillation

b)

Ventricular Fibrillation

c)

normal

d)

Premature Ventricular Contraction

e)

Heart Block

36.

What is the ECG showing

a)

Atrial Fibrillation

b)

Ventricular Fibrillation

c)

normal

d)

Premature Ventricular Contraction

e)

Heart Block

37.

This ECG strip illustrates ____________.

a)

Premature Atrial Contraction

b)

Premature Ventricular Contraction

c)

Atrial Fibrulation

d)

Tachycardia

38.

Cardiac output คือ ข้อใด?

a)

Stroke volume X Heart rate

b)

Stroke volume + Heart rate

c)

Stroke volume - Heart rate

39.

A structure that carries blood throughout the body?

a)

Blood Vessel

b)

Pulse

c)

Plaque

d)

Stroke

40.

The pressure you feel if you press on your arteries is called ______

a)

Pulse

b)

Heart Rate

c)

Hypertension

d)

Atherosclerosis

41.

Atherosclerosis is a leading cause of other cardiovascular disease (CVD) and it happens when arteries become clogged by _______

a)

sugar

b)

plaque

c)

blood pressure

d)

insulin

42.

If a blood clot prevents blood from reaching the heart, we call this a ________

a)

stroke

b)

pulse

c)

heart attack

d)

hypertension

43.

If a blood clot prevents blood from reaching the brain, we call this a _______

a)

stroke

b)

heart attack

c)

tumor

d)

hernia

44.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

45.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

46.

What is function of the dome-shaped diaphragm muscle?

a)

This is where gas exchange happens.

b)

Air passes through the diaphragm on the way to the lungs.

c)

It attaches to the lungs and contracts and relaxes to help in breathing.

47.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
48.
What is the function of the bronchi?
a)
Transport air from nose to lungs
b)
Transport air from trachea to lungs
c)
Transport air from lungs to alveoli
d)
Transport air from alveoli to blood
49.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
50.

When we breath in the diaphragm...

a)

Contracts

b)

Relaxes

51.
A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.
a)
asthma 
b)
cold
c)
influenza 
d)
bronchitis 
52.

graphic picture of the heart's electrical activity

a)

Electrocardiogram

b)

Electrocardiograph

c)

Electrolyte

d)

Electrode

53.

ECG pattern that shows atrial contraction originating at the SA node

a)

T wave

b)

U wave

c)

P wave

d)

PR segment

54.

ECG pattern that shows when the impulse moves through the ventricles and reaches the Purkinje fibers, depicting contraction of both ventricles

a)

QRS complex

b)

QT interval

c)

segment

d)

Standardization

55.

outer section of structure

a)

medulla

b)

cortex

c)

renal pelvis

d)

nephron

56.

center section of the kidney

a)

medulla

b)

cortex

c)

renal pelvis

d)

nephron

57.

innermost section and filters blood and urine

a)

medulla

b)

cortex

c)

renal pelvis

d)

nephron

58.

job of filtering, reabsorbing, absorbing

a)

medulla

b)

cortex

c)

renal pelvis

d)

nephron

59.

Urine leaves the Kidney via the _____________ to be stored

a)

URETERS

b)

BLADDER

c)

URETHRA

60.

Where urine is stored

a)

URETERS

b)

BLADDER

c)

URETHRA

61.

Urine is excreted from the body via the ___________

a)

URETERS

b)

BLADDER

c)

URETHRA

62.

the last part of the nephron

a)

Proximal Convoluted Tubule

b)

Loop of Henle

c)

Distal Conboluted Tubule

d)

Collecting Ducts

63.

In homeostasis, the kidney regulates the _______

a)

levels of electrolytes

b)

amount of water in the body

c)

pH

d)

all of the above

64.

Choose the CORRECT order for Nephrons

a)

Proximal convoluted tubule - Collecting duct - Distal convoluted tubule - Loop of Henle

b)

Distal convoluted tubule - Loop of Henle - Proximal convoluted tubule - Collecting duct

c)

Proximal convoluted tubule - Loop of Henle - Distal convoluted tubule - Collecting duct

d)

Collecting duct - Proximal convoluted tubule - Loop of Henle - Distal convoluted tubule

65.

ADH

a)

Inhibits the absorption of water in the proximal convoluted tubule

b)

Inhibits the absorption of water in the distal convoluted tubule

c)

Increases the absorption of water in the proximal convoluted tubule

d)

Increases the absorption of water in the distal convoluted tubule

66.

ADH is created in the:

a)

Hypothalamus

b)

Posterior Pituitary Gland

c)

Brain

d)

Kidney

67.

ADH is released from the pituitary gland into the:

a)

Circulatory system

b)

Endocrine system

c)

Nervous system

d)

All of the above

68.

When ADH is secreted, urine will:

a)

Be more dilute

b)

Be more concentrated

c)

Have a larger volume

d)

All of the above

69.

When you drink a larger volume of water than is required by your body tissues:

a)

ADH secretion will be increased

b)

ADH secretion will be inhibited

c)

ADH secretion will not be affected

d)

None of the above

70.

Cells that detect high blood concentration are called:

a)

Chemoreceptors

b)

Osmoreceptors

c)

Thermoreceptors

d)

Nociceptors

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