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IB Body Systems Final

Total questions: 82

Worksheet time: 5hrs 6mins

Name
Class
Date
1.

___________ are the building blocks of life.

a)

cells

b)

legos

c)

blocks

d)

blood

2.

In multicellular organisms, tissues are comprised of _______.

a)

organs

b)

systems

c)

cells

d)

blood

3.

A(n) _________ is made of small parts connected together to make a whole.

a)

system

b)

problem

c)

evidence

d)

illustration

4.
Which of the following tissues binds everything together?
a)
Epithelial
b)
Connective
c)
Muscle 
d)
Nervous
5.
Which of the following tissues lines the interior and exterior of organs?
a)
Epithelial
b)
Connective
c)
Muscle 
d)
Nervous
6.
Which part of the blood is responsible for forming blood clots?
a)
Erythrocytes
b)
Leukocytes
c)
Platelets
d)
Plasma
7.
The liquid portion of the blood is referred to as:
a)
Plasma
b)
Erythrocytes
c)
Water
d)
Leukocytes
8.
These have muscular walls:
a)
capillaries
b)
veins
c)
venules
d)
arteries
9.
These have valves that prevent backflow of blood
a)
arteries
b)
veins
c)
arterioles
d)
capillaries
10.
Where material exchange takes place between the cells and blood vessels:
a)
arteries
b)
veins
c)
venules
d)
capillaries
11.
Carry oxygenated blood back to the heart, only type of these to do this:
a)
pulmonary arteries
b)
pulmonary veins
c)
pulmonary capillaries
d)
aorta artery
12.
What is the space between the structure of a blood vessel?
a)
Artery
b)
Lumen
c)
Gap
d)
Loomen
13.

I have muscular walls, and a small lumen.

a)

Artery

b)

Vein

c)

Capillary

d)

Arteriole

14.
These blood cells are the protectors and help fight off disease.
a)
Red blood cells
b)
White blood cells
c)
Plasma
d)
Platelets 
15.
What part of blood is responsible for carrying oxygen and carbon dioxide to or from body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
16.
a)

A = tunica media

b)

A = tunica interna

c)

A = tunica externa

d)

A = lumen

17.
a)

B = tunica interna

b)

B = tunica media

c)

B = tunica externa

d)

B = lumen

18.
a)

A = artery

B = vein

b)

A = artery

B = capilary

c)

A = vein

B = capillary

d)

A = capillary

B = vein

19.

Capillaries are....

a)

up to 10 µm wide

b)

up to 18 mm wide

c)

up to 30 mm wide

d)

up to 5 nm wide

20.

Identify...

a)

Pulmonary veins

b)

Pulmonary artery

c)

Aorta

d)

Vena cava

21.

Identify...

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

22.

Identify...

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

23.

Identify...

a)

Pulmonary veins

b)

Pulmonary artery

c)

Aorta

d)

Superior Vena Cava

24.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
25.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
26.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
27.

The atrioventricular valves are large valves that...

a)

prevent backflow of blood from ventricles to atria

b)

prevent backflow of blood from to atria to ventricles

c)

prevent backflow of blood from the pulmonary artery to ventricles

d)

prevent backflow of blood from the aorta to ventricles

28.

The semilunar valves...

a)

prevent backflow of blood from ventricles to atria

b)

prevent backflow of blood from to atria to ventricles

c)

prevent backflow of blood from the pulmonary artery to ventricles

d)

prevent backflow of blood from the aorta to ventricles

29.
Bile is made by which digestive organ?
a)
Gallbladder
b)
Stomach
c)
Rectum
d)
Liver
30.
Which digestive organ makes digestive juices to help the small intestine absorb nutrients?
a)
Liver
b)
Gallbladder
c)
Pancreas
d)
Esophagus
31.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
32.

Most chemical digestion takes place in which organ?

a)

Stomach

b)

Small intestine

c)

Rectum

d)

Esophagus

33.
Number 3 is pointing to the...
a)
Small intestine
b)
Rectum
c)
Large intestine
d)
Stomach
34.

The enzyme found in saliva and the small intestine that breaks down carbohydrates

a)

Amylase

b)

Protease

c)

Lipase

d)

Lactase

35.

Which substances are found in gastric juices (3)?

a)

pepsin

b)

hydrochloric acid

c)

mucus

d)

lactase

e)

sucrase

36.
a)

A = Villi

b)

A = Epithelial Cells

c)

A = Goblet Cells

d)

A = Mucosa

37.
a)

B = Villi

b)

B = Epithelial Cells

c)

B = Goblet Cells

d)

B = Lacteal

38.
a)

(c) = circular muscles

b)

(c) = epithelial cells

c)

(c) = capillaries

d)

(c) = goblet cells

39.
a)

(b) = epithelial cells

b)

(b) = goblet cells

c)

(b) = mucosa

d)

(b) = lacteal

40.
a)

A = epithelial layer; B = mucosa

C = circular muscle; D = longitudinal muscle

b)

A = mucosa; B = epithelial layer

C = longitudinal muscle; D = circular muscle

c)

A = epithelial layer ; B = villus

C = mucosa; D = longitudinal muscle

d)

A = mucosa ; B = goblet cells

C = longitudinal muscle; D = plasma membrane

41.

Lacteal carries....

a)

monosaccharides to the liver

b)

fatty acids to the lymphatic system

c)

amino acids to the bloodstream

d)

all of the above

42.

The pancreas secretes...... (3)

a)

amylase

b)

endopeptidases

c)

lipases

d)

bile

e)

lactase

43.

The main function of the large intestine is.....

a)

to absorb nutrients from chyme

b)

to absorb water from the remaining food

c)

to masticate the chyme further

d)

to add enzymes such as endopeptidases and amylase to the chyme

44.

What substance emulsifies fats?

a)

lipase

b)

bile

c)

pepsin

d)

amylase

45.

Finger-like projections in the small intestine that serve to increase surface area for better absorption.....

a)

flagellum

b)

villi

c)

cillia

d)

epithelia

46.
What is the correct order of the process which maintains adequate levels of nutrients in order to maintain homeostasis?
a)
Digestion, Ingestion, Absorption, Elimination
b)
Digestion Absorption, Ingestion, Elimination
c)
Ingestion, Digestion, Absorption, Elimination
d)
Ingestion, Absorption, Digestion, Elimination
47.
The villi is where the digestive system connects with the __________________ system.
a)
circulatory
b)
respiratory
c)
muscular
d)
skeletal
48.

Pancreas?

a)
b)
c)
d)
49.

Gall bladder?

a)
b)
c)
d)
50.
How do antigens protect the body from diseases?
a)
They make white blood cells.
b)
They produce mucus, which washes away germs.
c)
They help destroy T cells.
d)
They alert the immune system when pathogens enter the body.
51.
What is an antigen?
a)
A protein produced by white blood cell
b)
A type of white blood cell
c)
A Vaccine
d)
A foreign molecule
52.
Phagocytosis is when:
a)
Allows some things to pass through but not others
b)
Movement of water from high concentration to low concentration
c)
Movement of substances from area of high concentration to area of low concentration
d)
Cell membrane surrounds & engulfs large particles
53.
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 
a)
Positive Feedback Response
b)
Negative Feedback Loop 
54.

The pancreas produces _____ when your blood sugar level is high.

a)

Thyroxin

b)

Melatonin

c)

Glucagon

d)

Insulin

55.
Thyroxine regulates _______. 
a)
sleep patterns
b)
metabolism
c)
blood sugars
d)
sperm production
56.

What is glucagon's major role in the body?

a)

to raise blood sugar

b)

to lower blood sugar

c)

to increase the rate of cellular respiration

d)

to convert glucose into gycogen

57.

Which hormone is involved in biological clock and seasonal activities?

a)

insulin

b)

melatonin

c)

leptin

d)

thyroxin

58.

Where does thyroxine come from?

a)

Thyroid gland

b)

Ovary

c)

Brain

d)

Adrenal gland

59.

What does thyroxin do?

a)

Controls appetite

b)

Controls rate of metabolic processes

c)

Controls heart and blood pressure

d)

Controls sleep patterns

60.

What does insulin affect?

a)

Stomach and intestines

b)

Blood and heart

c)

Liver, muscle and fat tissue

d)

Lungs

61.

Leptin is secreted by......

a)

cells in the adipose tissue

b)

cells in the hypothalamus

c)

cells in the pancreas

d)

cells in the thyroid

62.

Where is an excess in blood glucose levels detected?

a)

pancreas

b)

brain

c)

hypothalamus

d)

pineal gland

63.

Which are TRUE about insulin? (2)

a)

it is secreted by alpha (α) cells in the pancreas

b)

it is secreted by beta (β) cells in the pancreas

c)

it causes an uptake of glucose into cells all over the body

d)

it causes enzymes to convert glycogen and amino acids into glucose

64.

Which are true about glucagon? (2)

a)

it is secreted by α cells in the pancreas

b)

it is secreted by β cells in the pancreas

c)

it causes an uptake of glucose into cells all over the body

d)

it causes enzymes to convert glycogen and amino acids into glucose

65.

Which of the following statements is TRUE regarding the regulation of blood glucose levels?

a)

The hypothalamus monitors blood glucose levels

b)

The beta (β) cells in the pancreatic islets of Langerhans monitor blood glucose levels

c)

Abnormally high levels or concentrations of blood glucose is called hypoglycemia

d)

Abnormally low levels or concentrations of blood glucose is called hyperglycemia

66.

Where does fertilization usually take place?

a)

ovary

b)

oviduct

c)

uterus

d)

vagina

67.
a)

Epididymis

b)

Prostate gland

c)

Bladder

d)

Seminal gland

68.

Which of the following is TRUE about ovulation?

a)

Estrogen levels reach a 'critical' peak, stimulating the secretion of LH

b)

Estrogen levels reach a 'critical' peak, stimulating the secretion of FSH

c)

Progesterone levels reach a 'critical' peak, stimulating the secretion of LH

d)

Progesterone levels reach a 'critical' peak, stimulating the secretion of FSH

69.
a)

oviduct

b)

vagina

c)

cervix

d)

urethra

70.

Which structure produces egg cells and female hormones?

a)

cervix

b)

uterus

c)

Fallopian tubes

d)

ovaries

71.
a)

A - FSH; B - LH; C - Progesterone; D - Estrogen

b)

A - Estrogen; B - Progesterone; C - LH; D - FSH

c)

A - Progesterone; B - Estrogen; C - FSH; D - LH

d)

A - FSH; B - LH; C - Estrogen; D - Progesterone

72.

The following is a good example of a positive (+ve) feedback system.....

a)

Estrogen leading to an increase in FSH receptors in the follicles, increasing estrogen production further

b)

Progesterone inhibiting further secretion of LH & FSH

c)

Estrogen and progesterone inhibiting FSH secretion

d)

Estrogen levels peaking resulting in LH being secreted

73.
The long, fiber like part of a neuron which the cell sends information to receiving neurons
a)
axon 
b)
dendrite
c)
axon terminal
d)
gene
74.
A chemical produced by neurons that carries messages to other neurons
a)
myelin sheath
b)
neurotransmitter
c)
axon
d)
axon terminal
75.
The tiny gap between neurons where nerve impulses are sent from one neuron to another.  It is where communication occurs between an axon and dendrite
a)
synapse
b)
axon terminal
c)
impulse
d)
myelin
76.

In the figure above, what is occurring at step #4?

a)

Neuron receives enough stimulation (15 mV), threshold is reached (-55mV)

b)

Na+ voltage channels open allowing Na+ to diffuse inward, depolarizing the membrane

c)

K+ voltage channels open and Na+ voltage channels open

d)

K+ voltage channels open allowing K+ to diffuse out, repolarizing the membrane.

e)

Hamsters. Massive amounts of hamsters

77.
What is structure labeled H in the picture?
a)
Nucleus
b)
Schwann Cell
c)
Node of Ranvier
d)
Myelin Sheath
78.
What number(s) on the graph represents the Resting Potential?
a)
1 and 2
b)
1 and 5
c)
2 and 3
d)
3 and 4
79.
When a neuron is depolarized, what are the first channels to open?
a)
Sodium
b)
Potassium
c)
Calcium
d)
ACTH
80.
A membrane potential becoming less negative is called
a)
hyperpolarization
b)
depolarization
c)
repolarization
d)
polarization
81.
When a membrane potential reaches +30mV, ________ channels open, ________ occurs, and ________ channels close.
a)
Sodium, depolarization, potassium
b)
Potassium, depoloarization, sodium
c)
sodium, repolarization, potassium
d)
postassium, repolarization, sodium
82.
What number on the graph represents the Depolarization phase?
a)
1
b)
2
c)
3
d)
4

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