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Review For Science Test Flashcards

1
Q

A chemical messenger is a

A

Hormone

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2
Q

Within 5 minutes, all of your blood is filtered by your kidneys. Without properly functioning kidneys, what would occur?

A

Homeostasis would not be maintained

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3
Q

Endothermic creatures maintain fairly consistent body temperatures. Ectothermic creatures do not. What are the best animal Classes to represent “endothermic” and “ectothermic” animals?

A

Avian and Osteichthyes

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4
Q

Human enzymes work best at the body temperature which is

A

98.6°F/37°C

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5
Q

The body system that consists of the skin, hair, and nails, and sweat glands and provides protection and regulates body temperature is the

A

Integumentary system

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6
Q

Which of the following animals has a body temperature that doesn’t change depending on the weather outside?
Flamingo? Fish? Shark? Frog?

A

Flamingo

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7
Q

What happens when you are too hot?

A

Hair lies flat
Sweat is produced
Blood vessels widen

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8
Q

What usually results when an organism fails to maintain homeostasis?

A

The organism becomes ill or may die

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9
Q

No matter what the temperature of the air around you, your internal body temperature will be close to

A

37°C/98.6°F

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10
Q

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

A

Homeostasis

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11
Q

What might happen if you didn’t run a fever when you got sick?

A

Your body wouldn’t fight off the infection as efficiently as it could

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12
Q

Shivering and sweating are part of which feedback?

A

Negative feedback

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13
Q

Your body temperature during an illness is controlled by which feedback

A

Positive feedback

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14
Q

What from the list below is controlled by positive feedback?

Carbon dioxide/oxygen levels? Water balance? Blood pH? Blood sugar? All of these? None of these?

A

None of these

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15
Q

Your normal body temperature is controlled by which feedback?

A

Negative feedback

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16
Q

What from the list below is controlled by homeostasis?

Carbon dioxide/oxygen levels? Water balance? Blood pH? Blood sugar? All of these? None of these?

A

All of these

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17
Q

Which part of the brain monitors the body’s sugar levels, temperature and water content?

A

Hypothalamus

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18
Q

What is the major difference between positive and negative feedback?

A

Positive feedback causes bodily processes to continue; negative feedback causes bodily processes to start or stop

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19
Q

What is the process of keeping the body at a constant temperature?

A

Thermoregulation

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20
Q

Lateral means

A

Towards the side of the body or farther from the midline

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21
Q

Distal means

A

Further away from the attachment of the body

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22
Q

The closer the appendage is to the point of attachment the more ________ it is.

A

Proximal

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23
Q

Your forehead is _______ to your chin.

A

Superior

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24
Q

Your knee is _________ to your chin.

A

Inferior

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25
Q

Anterior may also be called _____ in humans.

A

Ventral

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26
Q

The frontal plane

A

Segments the body into the front and back

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27
Q

Match the element with its atomic symbol

Hydrogen

A

H

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28
Q

Match the element with its atomic symbol

Calcium

A

Ca

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29
Q

Match the element with its atomic symbol

Chlorine

A

Cl

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30
Q

Match the element with its atomic symbol

Carbon

A

C

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31
Q

Match the element with its atomic symbol

Sodium

A

Na

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32
Q

Match the element with its atomic symbol

Iron

A

Fe

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33
Q

In a molecule of glucose like the one below, how many atoms of carbon are there?

C6H12O6

A

6

34
Q

Using the formula of glucose like the one below, how many molecules are there?

3C6H12O6

A

3

35
Q

Using the formula of glucose like the one below, how many atoms of oxygen are there?

3C6H12O6

A

18

36
Q

What unit do measurement does the graduated cylinder use?

A

mL

37
Q

NaCl is

A

Ordinary table salt, a molecule, is made of sodium and chlorine, made of two different elements

38
Q

What unit of organization is represented by a nervous tissue?

A

Tissue

39
Q

What organ system supports the body, protects the vital organs, and makes blood vessels?

A

The skeletal system

40
Q

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

A

Homeostasis

41
Q

What are the correct 4 kingdoms?

A

Animalia, plantae, fungi, and protista

42
Q

Which system delivers oxygen and nutrients to the body parts that need them?

A

The circulatory system

43
Q

How does the urinary system get rid of chemical waste?

A

By flushing them out of the body

44
Q

The human body’s systems are interrelated. In other words:

A

They depend on each other

45
Q

Messages are carried back and fourth between the brain and other parts of the body by

A

The nervous system

46
Q

The brain, spinal cord, and nerves are made up of what type of tissue?

A

Nervous tissue

47
Q

What is the main function of the excretory system?

A

To collect and remove waste from the body

48
Q

What might happen if your respiratory center malfunctioned?

A

The oxygen level in your blood might go out of balance

49
Q

What might happen if your endocrine system weren’t functioning properly?

A

Your body might grow or mature properly

50
Q

What has a nucleus, may be unicellular or multicellular, and some organisms have specialized cells?

A

Eukarya

51
Q

The smallest structure capable of carrying out all life processes is the

A

Cell

52
Q

True or False

Movement is a characteristic of life

A

False

53
Q

What does your circulatory system have in common with your nervous system?

A

They’re both networks that stretch throughout your entire body

54
Q

Which system breaks down food so that nutrients and water can be used by the body?

A

Digestive system

55
Q

What might happen if your kidney’s malfunctioned?

A

The water in your blood might go out of balance

56
Q

A cold blooded animal is

A

An ectotherm

57
Q

The study of tissues is

A

Histology

58
Q

Vertebrates are a part of which taxa?

A

Eukarya, chordata, and animalia

59
Q

Heart and blood vessels are organs of what system?

A

The circulatory system

60
Q

List the levels of organization from most complex to least complex.

A

Organism, organ system, organ, tissue, cell, organelle, molecule, and atom

61
Q

Which bodily system is the easiest to see without an x-ray or body scanner?

A

The integumentary system

62
Q

Neurons and glial are cells of ____ tissue.

A

Nervous

63
Q

Smooth, cardiac, and skeletal are kinds of _____ tissue.

A

Muscle

64
Q

What are the 4 major types of tissues?

A

Connective, muscle, nervous, Epithelium

65
Q

Organisms that have a back bone are said to be

A

Vertebrates

66
Q

The outside boundary of an animal cell is the

A

Cell membrane

67
Q

To say epithelial tissue is simple means

A

The tissue is one cell layer thick

68
Q

Match the phyla with the organism.

Porifera

A

Sponge

69
Q

Match the phyla with the organism.

Echinodermata

A

Starfish

70
Q

Match the phyla with the organism.

Mollusca

A

Bivalve

71
Q

Match the phyla with the organism.

Arthropod

A

Insects

72
Q

Match the phyla with the organism.

Chordata

A

Fish

73
Q

Match the phyla with the organism.

Platyhelminthes

A

Tapeworm

74
Q

Match the phyla with the organism.

Nematoda

A

Roundworm

75
Q

Match the phyla with the organism.

Annelida

A

Earthworm

76
Q

Which class of animals makes up the most of the vertebrates?

A

Bony fish

77
Q

Define what each class means.

Osteichthyes

A

Bony fish

78
Q

Define what each class means.

Amphibian

A

Amphibians

79
Q

Define what each class means.

Aves

A

Birds

80
Q

Define what each class means.

Mammalia

A

Mammals

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