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Biology 30 Unit A Review

Total questions: 113

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

The main function of the nervous system

a)

send messages to and from the brain and spinal cord to and from the body

b)

break down food to be used by the body

c)

remove wastes from the body

d)

all of these

2.

The part of the brain in charge of involuntary actions such as breathing and heartbeat.

a)

cerebrum

b)

medulla

c)

cerebellum

d)

neuron

3.

The part of the brain in charge of thinking and memory.

a)

cerebrum

b)

medulla

c)

cerebellum

d)

neuron

4.

Which part of the neuron transmits impulses to other neurons?

a)

axon

b)

cell body

c)

dendrite

d)

node

5.

Which of the following is a function of the nervous system?

a)

gathers information

b)

processes information

c)

transmits information

d)

all of the above

6.

The major set of large set of nerves running down the spinal column or vertebrae.

a)

axon

b)

spinal cord

c)

dendrite

d)

cell body

7.

The part of the body that integrates the information it receives from all over the body in order to make decisions is called the __________________

a)

peripheral nervous system

b)

sympathetic nervous system

c)

central nervous system

d)

parasympathetic nervous system

8.
What is the central nervous system (CNS) made of?
a)
brain and spinal cord
b)
brain and cranial nerves
c)
spinal cord and spinal nerves
d)
cranial nerves and spinal nerves
9.
What are the 2 major divisions of the peripheral nervous system (PNS)?
a)
Sensory & Motor
b)
Peripheral & Central
c)
Somatic & Autonomic
d)
Brain & Spinal Cord
10.
What is the purpose of the myelin sheath on the axon?
a)
To maintain temperature
b)
To improve conductivity
c)
To protect the axon
d)
To release neurotransmitters
11.
Sensory neurons carry nerve impulses from the sense organs and internal organs (like your stomach) to the
a)
peripheral nervous system (PNS)
b)
central nervous system (CNS)
c)
muscles
d)
sense organs
12.
What is NOT part of the peripheral nervous system (PNS)?
a)
axons
b)
sensory receptors
c)
spinal cord
d)
motor neurons
13.
a signal molecule that transmits nerve impulses across synapses
a)
neuron
b)
neurotransmitter
c)
nerve
d)
action potential
14.
part of a neuron that receives information from other neurons
a)
axon
b)
dendrites
c)
myelin sheath
d)
synapse
15.
Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called __________.
a)
myelin sheath
b)
axon
c)
threshold
d)
synapse
16.
Label the Neuron-What does the letter "H" represent?
a)
Myelin Sheath
b)
Axon
c)
Axon Terminal
d)
Dendrite
17.
Label the Neuron-What does the letter "F" represent?
a)
Myelin Sheath
b)
Axon
c)
Axon Terminal
d)
Dendrite
18.
Label the Neuron-What does the letter "C" represent?
a)
Dendrite
b)
Axon
c)
Axon Terminal
d)
Cell Body
19.
Label the Neuron-What does the letter "A" represent?
a)
Dendrite
b)
Axon
c)
Myelin Sheath
d)
Node of Ranvier
20.
These carry signals from tissues and organs to the brain and spinal cord
a)
Sensory Neurons
b)
Motor Neurons
c)
Efferent Neurons
d)
Glial Cells
21.
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
22.
This part of the nervous system regulates involuntary actions such as heart function, blood pressure, breathing, digestion.
a)
Autonomic Nervous System
b)
Sensory Nervous System
c)
Motor Nervous System
d)
Peripheral Nervous System
23.

The pink structure is the.....

a)

frontal lobe

b)

occipital lobe

c)

parietal lobe

d)

temporal lobe

24.

The part of your brain that senses pain is the....

a)

blue lobe

b)

yellow lobe

c)

green lobe

d)

pink lobe

25.

What number structure regulates hormones?

a)

1

b)

3

c)

4

d)

5

26.

Neurotransmitters are ______________ that travel across the ______________ to another cell.

a)

electrical signals; receptors

b)

electrical signals; synapse

c)

chemicals; receptors

d)

chemicals; synapse

27.

Dopamine and Serotonin are examples of _______________

a)

Axon

b)

Neurotransmitters

c)

Somatic Nerves

d)

Autonomic Nerves

28.

The ____________ is part of the peripheral nervous system and controls our senses.

a)

Systemic

b)

Autonomic

c)

Somatic

d)

Autonomous

29.

The ______________ is the largest part of the brain

a)

cerebrum

b)

cerebellum

c)

thalamus

d)

hypothalamus

30.

This part of the brain coordinates movement and balance.

a)

Cerebrum

b)

Cerebellum

c)

Brain stem

d)

Spinal Cord

31.

The function of the thalamus is ______.

a)

a balance center

b)

a thermostat

c)

a relay station to other brain parts

d)

to regulate sleep

32.

This structure allows the left and right hemisphere of the brain to communicate.

a)

thalamus

b)

cerebral cortex

c)

hypothalamus

d)

corpus callosum

33.
What part of the brain is Letter C pointing to?
a)
Frontal Lobe
b)
Parietal Lobe
c)
Occipital Lobe
d)
Temporal Lobe
34.
What part of the brain is Letter G pointing to?
a)
Frontal Lobe
b)
Parietal Lobe
c)
Occipital Lobe
d)
Temporal Lobe
35.
What part of the brain is Letter A pointing to?
a)
Temporal Lobe
b)
Parietal Lobe
c)
Occipital Lobe
d)
Frontal Lobe
36.
What part of the brain is Letter E pointing to?
a)
Temporal Lobe
b)
Cerebellum
c)
Medulla Oblongata
d)
Parietal Lobe
37.

Which part of the brain controls feelings, personality, and complex thought?

a)

Cerebellum

b)

Frontal Lobe

c)

Brain Stem

d)

Parietal Lobe

38.

Which part of the brain connects to the spinal cord?

a)

Brain Stem

b)

Cerebrum

c)

Cerebellum

d)

Occipital Lobe

39.

This part of the brain makes us unique and is our control information processing center?

a)

Cerebellum

b)

Corpus Collosum

c)

Cerebrum

d)

Hypothalamus

40.

It is the transparent, curved front of the eye which helps to converge the light rays which enter the eye

a)

Retina

b)

Cornea

c)

Sclera

d)

Pupil

41.

Has a network of blood vessels to supply nutrients to the cells and remove waste products. It is pigmented that makes the retina appear black, thus preventing reflection of light within the eyeball.

a)

Retina

b)

Choroid

c)

Sclera

d)

Fovea

42.

Is a pigmented muscular structure consisting of an inner ring of circular muscle and an outer layer of radial muscle. Its function is to help control the amount of light entering the eye so that:

- too much light does not enter the eye which would damage the retina


- enough light enters to allow a person to see

a)

Iris

b)

Pupil

c)

Lens

d)

Retina

43.

Is a hole in the middle of the iris where light is allowed to continue its passage. In bright light it is constricted and in dim light it is dilated

a)

Cornea

b)

Iris

c)

Pupil

d)

Fovea

44.

Is a transparent, flexible, curved structure. Its function is to focus incoming light rays onto the retina using its refractive properties

a)

Lens

b)

Cornea

c)

Fovea

d)

Ciliary body

45.

A part of the retina that is directly opposite the pupil and contains only cone cells (photoreceptors responsible for colour vision). It is responsible for good visual acuity (good resolution)

a)

Blind spot

b)

Fovea

c)

Choroid

d)

Vitreous humour

46.

Is where the bundle of sensory fibres form the optic nerve; it contains no light-sensitive receptors

a)

Brain

b)

Blind spot

c)

Spinal Cord

d)

Central nervous system (CNS)

47.

Is a transparent, jelly-like mass located behind the lens. It acts as a ‘suspension’ for the lens so that the delicate lens is not damaged. It helps to maintain the shape of the posterior chamber of the eyeball.

a)

Anterior Humour

b)

Posterior Humour

c)

Aqueous Humour

d)

Vitreous humour

48.

Helps to maintain the shape of the anterior chamber of the eyeball

a)

Aqueous Humour

b)

Posterior humour

c)

Vitreous Humour

d)

Anterior humour

49.
Which of the following is the correct order in which light travels through the eye?  
a)
Cornea, Lens, Retina, Pupil, Optic Nerve
b)
Pupil, Cornea, Lens, Retina, Optic Nerve
c)
Cornea, Retina, Lens, Pupil, Optic Nerve
d)
Cornea, Pupil, Lens, Retina, Optic Nerve
50.

The thick, tough, white outer covering of the eyeball is called the __________________.

a)

sclera

b)

lens

c)

pupil

d)

cornea

51.

The outer ear consists of ...

a)

cochlea and pinna

b)

auditory nerve and ear drum

c)

ear canal and pinna

d)

ear canal and ear drum

52.

The function of pinna is ...

a)

to collects sound

b)

to keep the body balance

c)

pathway for the sound to reach the ear drum

d)

to deliver the sound to the brain

53.

The part of ear pointed by number 5 is called …

a)

pinna

b)

ear drum

c)

cochlea

d)

ear canal

54.

A part of ear that can deliver the sound to the brain is ...

a)

auditory nerve

b)

cochlea

c)

ear drum

d)

semicircular canal

55.

Based on the parts of ear above, the function of number 1 is …

a)

To collect sound

b)

To help keep the body balance

c)

The place where the auditory nerves are attached

d)

A pathway for the sound to reach the ear drum

56.

The part of ear pointed by number 2 is called …

a)

pinna

b)

ear canal

c)

ear drum

d)

cochlea

57.

What else does our ears do besides help us to hear?

a)

Smell

b)

Balance

c)

Sight

d)

Fight off sickness

58.

What do the sound waves vibrate?

a)

Ear canal, eardrum, ossicles

b)

Ossicles, Eardrum

c)

Eardrum

d)

Eardrum, ossicles, Cochlea

59.

What turns the sound waves into neural signals ?

a)

Cochlea

b)

The movement of the liquid

c)

Movement of the cilia

d)

The Nerve

60.

Hammer, Anvil, and stirrup are all called....

a)

Three bones

b)

Ossicles

c)

Ear bones

d)

Occulars

61.

What part of the ear vibrates when sound waves hit it?

a)

Pinna

b)

Ear Drum

c)

Auditory Nerve

d)

Semicircular Canals

e)

Cochlea

62.

What part of your ear helps with balance?

a)

cochlea

b)

semicircular canals

c)

Eustachian tube

d)

auditory nerve

e)

pinna

63.

What part of your ear helps with regulating pressure between the air outside of your body and inside?

a)

cochlea

b)

semicircular canals

c)

Eustachian tube

d)

auditory nerve

e)

pinna

64.

Which of the following is the function of the endocrine system?

a)

Control all the other body systems

b)

Exchange carbon dioxide and oxygen

c)

Transport nutrients, hormones and wastes through the body

d)

Help the nervous system maintain homeostasis in the body.

65.

Endocrine glands secrete _

a)

Hormones

b)

Neurotransmitters

c)

A wide range of chemical substances

66.

What is the main function of the endocrine system?

a)

It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

b)

It creates electrical messages that are sent around the body to maintain homeostasis.

c)

It maintains the correct level of oxygen in the body to maintain homeostasis.

d)

It releases waste from the body to maintain homeostasis.

67.
An organ that produces secretions called hormones is known as a :
a)
chemical
b)
gland
c)
hormone
d)
duct
68.
This gland is located between the lungs behind the sternum and secretes thymosin that helps mature WBC's in our bodies when we are children. 
a)
thyroid
b)
parathyroid
c)
thymus
d)
brain stem
69.
What is gland #3?
a)
Adrenal Gland
b)
Pancreas
c)
Ovaries
d)
Testes
70.
Letter H is pointing to
a)
Thymus
b)
Pancreas
c)
Pituitary
d)
Pineal
71.

The gland labeled 4 in the diagram is?

a)

the thymus gland

b)

the thyroid gland

c)

the parathyroid glands

d)

the adrenal glands

72.

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.

a)

Positive Feedback

b)

Negative Feedback

c)

Homeostasis

d)

Targeted Cells

73.

What structure(s) shown in the picture above the kidneys?

a)

Thyroids

b)

Adrenal glands

c)

Testes

d)

Parathyroids

74.

What structure is this?

a)

Pancreas

b)

Thyroid

c)

Parathyroid

d)

Adrenal glands

75.
Negative Feedback Loops:
a)
amplify processes
b)
prevent small changes from getting larger
c)
are initiated during childbirth
d)
are found only in plants
76.

Cells that have receptors for a particular hormone.

a)

gland cells

b)

neurons

c)

hormones

d)

target cells

77.

This structure releases what hormones?

a)

insulin and glucagon

b)

calcitonin and estrogen

c)

Parathyroid hormone and antidiuretic hormone

d)

epinephrine and testosterone

78.
Adrenocorticotropic hormone (ACTH) from the pituitary stimulates the __________ glands to release _________.
a)
Pineal, cortisol
b)
Adrenal, cortisol
c)
Pineal, TSH
d)
Adrenal, TSH
79.

What is the function of the Thyroid gland

a)

Hormones that are used to change the metabolic rate of a person's body

b)

Hormones that are used to help you run

c)

Hormones to help you swallow

d)

Penguin

80.
What hormone raises blood calcium levels?
a)
Epinephrine
b)
Calcitonin
c)
PTH
d)
T3 and T4
81.

The Adrenal gland secretes the following except:

a)

cortisol

b)

ADH

c)

epinephrine

d)

aldosterone

82.

The Adrenal gland is located:

a)

in the throat

b)

in the brain

c)

inferior to the uterus

d)

on top of the kidneys

83.

In times of stress, the adrenal gland releases:

a)

epinephrine

b)

glucagon

c)

aldosterone

d)

PTH

84.

Cortisol can be released in response to:

a)

low blood LH levels

b)

high blood salt levels

c)

low blood glucose levels

d)

low blood calcium levels

85.

Which of the following does NOT deal with glucose in some form or another?

a)

Insulin

b)

Cortisol

c)

Epinephrine

d)

Aldosterone

86.

Insulin is released in response to:

a)

low blood glucose levels

b)

low blood calcium levels

c)

high blood glucose levels

d)

high blood calcium levels

87.

Glucagon targets:

a)

the pancreas

b)

all cells of the body

c)

the liver

d)

mostly fat cells

88.

Together, both glucagon and insulin help:

a)

maintain homeostasis

b)

maintain blood glucose levels

c)

keep the body from an energy crisis

d)

All of the above

89.
What is the name of the structure that connects the pituitary gland to the brain/central nervous system?
a)
Hypophysis
b)
Hypothalamus
c)
Pancreas
d)
Adrenal glands
90.
Diabetes type I (mellitus) is caused by a lack of what pancreatic hormone:
a)
ADH
b)
Glucocorticoids
c)
Insulin
d)
Glucagon
91.
Name the two hormones produced by the thyroid gland.
a)
Epinephrine and norepinephrine
b)
ADH and oxytocin
c)
Calcitonin and thyroxine
d)
Growth hormone and cortisol
92.
What usually causes hypothyroidism?
a)
Increased secretion of the thyroxine hormone
b)
No secretion of the thyroxine hormone by the thyroid
c)
Increased secretion of the growth hormone by the pituitary gland
93.
Name of the hormone that increases the levels of calcium in the blood:
a)
Calcitonin
b)
Calcium
c)
Phosphatase
d)
Parathyroid
94.
Hormone that maintains/reabsorbs the water in the body.
a)
Norepinephrine
b)
Adrenaline
c)
Melatonin
d)
ADH
95.
The adrenal medulla functions as part of the___
a)
Circulatory system
b)
Autonomic nervous system
c)
Muscle-skeletal system
d)
Immune system
96.

Which gland secretes aldosterone?

a)

Adrenal cortex

b)

Adrenal medulla

c)

Anterior pituitary

d)

Posterior pituitary

97.

Which gland secretes adrenaline?

a)

Adrenal cortex

b)

Adrenal medulla

c)

Anterior pituitary

d)

Posterior pituitary

98.

Which hormone is responsible for targeting the kidney tubules to absorb water?

a)

Adrenlaine

b)

Aldosterone

c)

Antidiuretic hormone

d)

Adrenocorticotrophic hormone

99.

What part is the arrow pointing to?

a)

olfactory bulb

b)

olfactory nerve

c)

olfactory epithelium

d)

nasal cavity

100.

What part is the arrow pointing to?

a)

nasal conchae

b)

nasal cavity

c)

palate

d)

ciliated mucous membrane

101.

Which structure of the nose is pointed by #4?

a)

olfactory nerve

b)

olfactory bulb

c)

olfactory epithelium

d)

nasal cavity

102.
the sense of smell is made possible by
a)
taste receptors
b)
nasal receptors
c)
olfactory receptors
d)
sense receptors
103.
What is 4?
a)
lens
b)
optic disc
c)
cornea
d)
iris
104.
What is 5?
a)
retina
b)
cornea
c)
iris
d)
optic disc
105.
What number is the pupil?
a)
3
b)
2
c)
1
d)
4
106.

All of the following are sensory receptor types EXCEPT

a)

chemoreceptors

b)

neuroreceptors

c)

mechanoreceptors

d)

photoreceptors

107.

An example of a chemoreceptor is

a)

hair cells

b)

rods and cones

c)

taste buds

d)

Pacinian corpuscles

108.

Touch sensory receptors respond to all of the following types of stimuli EXCEPT

a)

pain

b)

light pressure

c)

deep pressure

d)

vibration

e)

All of the above are stimuli touch receptors respond to.

109.

All of the following are a type of chemical our taste buds can detect EXCEPT

a)

sweet

b)

salty

c)

umami

d)

fruity

e)

bitter

110.

The cochlea of the inner ear is lined with ______ to create an electrical signal which travels to the brain.

a)

photoreceptors

b)

chemoreceptors

c)

neuroreceptors

d)

mechanoreceptors

111.

Our sense of where we are in the world and our body orientation is known as

a)

vestibularception

b)

equilibrium

c)

proprioception

d)

awareness

112.

The papillae are:

a)

The bumps on the tongue that contain the taste buds.

b)

The taste buds.

c)

Receptors which are found in the nose.

d)

Receptors in the back of the eye which detect light.

113.

Taste perception processes begin when __________ energy is changed into _________ energy.

a)

chemical; electrochemical

b)

electromagnetic; electrochemical

c)

electromagnetic; chemical

d)

electrochemical; electromagnetic

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