Teas Science Flashcards

1
Q

Which of the following parts of the central nervous system releases chemicals that
regulate the pituitary gland?

A

Hypothalamus

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2
Q

The shortening of a sarcomere in skeletal muscle is directly due to the interactional of
which of the following?

A

Myosin and actin

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3
Q

Mutations in which of the following types of cells can be inherited by offspring?

A

Ovarian

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4
Q

Which of the following describes the function of tendons?

A

Tendons attach skeletal muscles to bones

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5
Q

Which of the following substances is excreted by sweet glands in response to the
breakdown of protein and the formation of ammonia?

A

Urea

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6
Q

Which of the following terms describes the removal of metabolic waste from the
body?

A

excretion

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7
Q

A cell is placed in a hypertonic solution. Which of the following describes the
resulting osmosis?

A

There is a net flow of water out of the cell

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8
Q

The following equation summarizes the carbonic acid-bicarbonate ion buffer system
of the blood CO2+H2O H2CO3  HCO3- +H+
Which of the following equations shows the reaction that takes place when there are
excessive H+ ions?

A

HCO3- + H+  H2CO3

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9
Q

Which of the following is an example of active transport?

A

Movement of sodium and potassium across the cell membrane against the
concentration gradient

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10
Q

Which of the following vessels is responsible for carrying blood from the upper body
to the right atrium of the heart?

A

Superior Vena cava

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11
Q

Carbohydrates are composed of which of the following?

A

Monosaccharides

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12
Q

At the end of the experiment, she finds that the IR treated plants are scorched, the UV
treated plants have wilted, but the white light created plants are growing normally.
Which of the following statements is most likely to be correct?

A

Wavelength of lights the only variable that has been changed between groups

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13
Q

Which of the following is a weakness of a correlational study?

A

Cannot determine causation

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14
Q

A vasectomy is a procedure in which the vas deferens are cut. Which of the following
describes why a vasectomy leads to infertility?

A

The vasectomy blocks the movement of sperm from the epididymis into
urethra

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15
Q

Lifelong protection after exposure to a virus such as chickenpox is due to which of the
following types of immunity?

A

Active

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16
Q

An equal mass of which of the following states of matter could completely fill either a
100 ml or 500 ml container?

A

Gas

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17
Q

Carbon has an atomic number of 6. Which of the following is true about isotope C-12

A

C-12 possesses 6 neutrons and 6 protons in its nucleus

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18
Q

Permanent damage to which of the following types of tissues in the spinal cord will
cause paralysis

A

Nervous tissue

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19
Q

Which of the following statements about COVID-19 vaccine initiation is supported
by the data below? There is a graph not included

A

The daily rate for December 29 and January 5 are similar

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20
Q

How many times larger is the volume of a cube that is 4 mm on all sides compared to
the volume of a cube that is 2 mm on all sides (round the answer to the nearest whole
number)

A

8 times

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21
Q

A researcher collects high-resolution photographs of the earth taken from outer space
at annual intervals for the last decades. This data would be most useful to analyse
which of the following?

A

Weather patterns during hurricanes

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22
Q

Identify the pathway of blood trough the components of the cardiovascular system,
starting with the blood entering the heart through the superior vena cava. (move the
options into the box on the right, placing them in the selected order. use all options)

A

Correct order: Right atrium, right ventricle, pulmonic valve,
pulmonary artery, lungs

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23
Q

Which of the following body systems develop from the same origin tissue as lungs?

A

Gastrointestinal

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24
Q

A scientist predicts that germinating beans will use more oxygen than non-
germinating beans. This prediction is referred to as which of the following?

A

A hypothesis

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25
Q

Which of the following processes causes most of the carbon dioxide from the blood to
move into alveoli?

A

Diffusion down a concentration gradient

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26
Q

Which of the following is a property of water?

A

Water dissolves polar ionic compounds

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27
Q

Which of the following elements has the smallest atomic radius

A

C

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28
Q

Which of the following pancreatic secretions digests starch into disaccharides

A

Amylase

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29
Q

Which of the following units is used to indicate mass?

A

Mg

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30
Q

Histones are proteins associated with which of the following?

A

DNA

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31
Q

When an ionic salt is dissolved in water, the ions CO3 and K+ are formed. Which is
the formula for the salt?

A

K2CO3

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32
Q

A researcher is gathering large amounts of data about patients who have a common
disease and the effectiveness of various medications in comparison to a placebo.
Which of the following types of graphs is the best way for the researcher to present
the data?

A

Line Graph

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33
Q

Which of the following describes why water has a concave, or downward-curving
meniscus when poured in a glass beaker?

A

The adhesive forces with the glass are greater than the cohesive forces

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34
Q

Which of the following statements correctly describes the change in coat coloring of
an arctic for from brown in summer to white in winter?

A

The fox’s phenotype changes, but the genotype does not

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35
Q

Which of the following best describes adaptive immunity?

A

A response to specific traits of specific pathogens.

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36
Q

If a portion of a strand of DNA bases reads 5’AGCTAGCGT 3’. What would the
sequence of bases on the complementary strand read?

A

3’TCGATCGCA5’

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37
Q

Which of the following is a function of a catalyst?

A

To increase the rate of reaction

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38
Q

Which of the following describes the process by which solid carbon dioxide (dry ice)
turns directly into carbon dioxide gas?

A

Sublimation

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39
Q

Which of the following occurs during inhalation?

A

The diaphragm moves downwards

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40
Q

Which of the following body cavities is subdivided into the thoracic and
abdominopelvic cavities?

A

Ventral

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41
Q

Which of the following layers of kin contains glands and hair follicles?

A

Dermis

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42
Q

Which of the following structures is present in both prokaryotic and eukaryotic cells?

A

Cell membrane

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43
Q

Which of the following is true if Koch’s postulates are met regarding a disease?

A

The disease is caused by a microorganism

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44
Q

Which of the following is a part of pulmonary circuit?

A

Pulmonary Vein

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45
Q

Which of the following is the appropriate threshold value for mammalian neurons?

A

-55 mV

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46
Q

In a certain plant, red flowers are dominant over white flowers. A plant heterozygous
for red flowers and a plant with white flowers are crossed. Which of the following is
the expected proportion of phenotypes in the next generation?

A

2 red, 2 white

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47
Q

Which of the following structures is present in both prokarayotic cells?

A

Cell Membrane

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48
Q

Which of the following can lead to a tsunami?

A

Earthquakes

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49
Q

Which of the following are used to determine a person’s DNA sequence?

A

Genes

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50
Q

Which of the following organic molecules contain both an amine and carboxyl group?

A

Proteins

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51
Q

Osteoporosis results from which of the following

A

A decline in osteoblast activity while osteoblast activity continues at expected levels

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52
Q

Which of the following is released by one type of immune cell to directly activate
type of immune cell?

A

Cytokines

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53
Q

The measurement indicated by the line across the centre of the cell is best referred to
as which of the following?

A

Diameter

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54
Q

Which of the following properties of water explains its solvent abilities for certain
substances?

A

Polarity of water molecules

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55
Q

Which of the following vessels caries oxygenated blood?

A

Pulmonary vein

56
Q

Which of the following is a mass with the ovary that secretes hormones to maintain
the uterine lining during pregnancy?

A

Corpus luteum

57
Q

To separate genomic DNA fragments by size, which of these laboratory methods is
most useful?

A

Electrophoresis

58
Q

In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the
following crosses will produce only offspring with smooth leaves?

59
Q

Which of the following physiological responses is caused by the release of anti-
diuretic hormones?

A

Increase in water reabsorption in the collecting duct

60
Q

Which of the following is the atomic number that has 12 protons and 12 neutrons?

61
Q

Which of the following glands synthesizes antidiuretic hormone?

A

Hypothalamus

62
Q

Which of the following is the process in which an ovarian follicle matures and
releases a reproductive egg?

63
Q

Which of the following reasons explains why it is important for new scientific
findings to be published?

A

Other scientists can validate or disapprove the findings

64
Q

Which of the following substances is responsible for donating H+ ions to act as a

A

Carbonic acid

65
Q

Which of the following is the structure through which blood exits the glomerulus?

A

Efferent arteriole

66
Q

Which of the following is the function of totipotent cell?

A

Develops into any kind of cell

67
Q

Which of the following statements best supports the hypothesis that viruses can cause
cancer?

A

Genes that regulate cell division are found in some viruses

68
Q

In a phase diagram, which of the following is the term used for a substance held at
temperature and pressure where the solid, liquid, and gaseous states of a substance
exist simultaneously?

A

Triple point

69
Q

Which of the following microorganisms lack their own metabolic pathways and can
reproduce inside a host cell?

70
Q

If a portion of a strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the
sequence of bases on the complementary stand read?

A

3’ TCGATCGCA 5’

71
Q

In a phase diagram, which of the following is the term used for a substance held at a
temperature and pressure the liquid and gaseous phases of a substance merge together
into a single phase?

A

Critical point

72
Q

Which of the following indicates the function of sodium bicarbonate released by the
pancreas?

A

Sodium bicarbonate neutralizes the acidity of chime

73
Q

Which of the following types of cells produce and release antibodies?

A

Plasma B cells

74
Q

The cytoskeleton of a cell is comprised of which of the following macromolecules?

75
Q

Which of the following summarizes a change that takes place as a solid turns into a
liquid?

A

Particles become less ordered

76
Q

Which of the following are specific immune response (select all that apply)?

A

T lymphocyte activation and clonal expansion

The formation of memory B cells

Complement proteins binding to and destroying bacteria

77
Q

Which of the following is the main function of centrosomes in animal cells?

A

Microtubule organization

78
Q

Testosterone is categorized as which of the following types of hormone?

79
Q

Hiker who found a human body at high altitude in the Italian Alps thought the man
had died recently, but tests indicate that he was shot with an arrow more than 5,000
years ago. Which of the following would be the best reason for prolonged
preservation of the body?

A

The body was frozen in the cold temperature of the Alps shortly after he died and
remained frozen until it was found

79
Q

Which of the following are the two major parts of the nervous system?

A

Peripheral nervous system and central nervous system

80
Q

Nitrogen gas is an extremely stable because its structure contain which of the
following?

A

Triple covalent bonds

82
Q

Which of the following best describes the result of using a catalyst in a chemical
reaction?

A

The reaction is completed in a shorter amount of time.

83
Q

Which of the following substances protect the skin from ultraviolet radiation?

84
Q

In a hypertonic solution, water flows through aquaporins embedded in the plasma
membrane of the cell. This type of transport is best known as which of the following?

85
Q

Which of the following is a group that can be measured against the experimental
group?

86
Q

A myocardial infarction affects which of the following blood vessels of the heart?

A

Coronary artery

87
Q

Which of the following processes caused most of the carbon dioxide from the blood
to most into alveoli?

A

Diffusion down a concertation gradient

88
Q

Which of the following substances is excreted by sweat glands in response to the
breakdown of proteins and the formation of ammonia?

89
Q

Lithium has an atomic number of 3 and a mass of 7, which of the following is the
number of protons in a lithium atom

90
Q

Which of the following allows the AIDS virus, which contains RNA to insert viral
DNA into the DNA of a host T-cells after the AIDS virus enters the cells?

A

Receptor proteins located on the surface of the virus

91
Q

A patient’s urine output was 800 ml/hr. following a treatment, the patient’s urine
output increased to 1200 ml/hr. What is the percentage change in the urine output?
(round the answer to the nearest whole number)

92
Q

Carbon has an atomic number of 6. Which of the following is true about isotope C-12?

A

C-12 possesses 6 neutrons and 6 protons in its nucleus

93
Q

Which of the following best describes adaptive immunity?

A

A response to specific traits of specific pathogens.

94
Q

Which of the following describes why water has a concave, or downward-curving
meniscus when poured in a glass beaker?

A

The adhesive forces with the glass are greater than the cohesive forces

95
Q

The following diagram summaries the carbonic acid-bicarbonate ion buffer system of
the blood CO2+H2O H2CO3  HCO3- +H+
Which of the following equations shows the reaction that takes place when there are
excessive H+ ions?

A

HCO3- + H+  H2CO3

96
Q

At the end of the experiment, she finds that the IR treated plants are scorched, the UV
treated plants have wilted, but the white light created plants are growing normally.

Which of the following statements is most likely to be correct?

A

Wavelength of lights the only variable that has been changed between groups

97
Q

Which of the following is a property of water?

A

Water dissolves polar iconic compounds

98
Q

Lifelong protection after exposure to a virus such as chickenpox is due to which of the
following types of immunity?

99
Q

Which of the following is an example of active transport?

A

Movement of a sodium and potassium across the cell membrane against their
CONCENTRATION GRADIENT.

100
Q

Which of the following body cavities is subdivided into the thoracic and
abdominopelvic cavities?

101
Q

Mutations in which of the following types of cells can be inherited by offspring?

102
Q

Which of the following pancreatic secretions digests starch into disaccharides

103
Q

A cell is placed in a hypertonic solution. Which of the following describes the
resulting osmosis?

A

There is a net flow of water out of the cell

104
Q

When an ionic salt is dissolved in water, the ions CO3 and K+ are formed. Which is
the formula for the salt?

105
Q

Which of the following elements has the smallest atomic radius

106
Q

Which of the following structures is a flap of cartilage that prevents the movement of
food into the trachea?

A

Epiglottis

107
Q

Which of the following structures is present in both prokaryotic and eukaryotic cells?

A

Cell membrane

108
Q

Which of the following is a part of pulmonary circuit

A

Pulmonary vein

109
Q

Carbohydrates are composed of which of the following?

A

Monosaccharides

110
Q

Histones are proteins associated with which of the following?

111
Q

Which of the following layers of skin contains glands and hair follicles

112
Q

Which of the following describes the function of tendons?

A

Tendons attach skeletal muscles to bones

113
Q

Which of the following actions does a hydrophilic hormone take to activate a target
cell?

A

The hormone binds to cell-surface receptors of the target cells

114
Q

Which of the following is a weakness of a correlational study?

A

Cannot determine causation

115
Q

During muscle contraction, myosin is directly responsible for which of the following?

A

Forming cross bridges with actin molecules

116
Q

Which of the following vessels is responsible for carrying blood from the upper body
to the right atrium of the heart?

A

Superior vena cava

117
Q

How many times larger is the volume of a cube that is 4 mm on all sides compared to the
volume of a cube that is 2 mm on all sides

A

(round the answer to the nearest whole number). 8= 4 3 divided by 2

118
Q

Which of the following statements correctly describes the change in coat colouring of
an arctic for from brown in summer to white in winter?

A

The fox’s phenotype changes, but the genotype does not

119
Q

Permanent damage to which of the following types of tissues in the spinal cord will
cause paralysis

A

Nervous tissue

120
Q

The shortening of a sarcomere in skeletal muscle is directly due to the interactional of
which of the following?

A

Myosin and actin

121
Q

Which of the following terms describes the removal of metabolic waste from the
body?

122
Q

Which of the following substances is excreted by sweet glands in response to the
breakdown of protein and the formation of ammonia?

123
Q

Identify the pathway of blood trough the components of the cardiovascular system,
starting with the blood entering the heart through the superior vena cava. (select
options in the correct order. use all options)

A

Correct order: Right atrium, right ventricle, pulmonic valve,
pulmonary artery, lungs.

124
Q

A vasectomy is a procedure in which the vas deferens are cut. Which of the following
describes why a vasectomy leads to infertility?

A

The vasectomy blocks the movement of sperm from the epididymis into
urethra

125
Q

Which of the following occurs during inhalation?

A

The diaphragm moves downwards

126
Q

A scientist predicts that germinating beans will use more oxygen than non-
germinating beans. This prediction is referred to as which of the following?

A

A hypothesis

127
Q

Which of the following describes the process by which solid carbon dioxide (dry ice)
turns directly into carbon dioxide gas?

A

Sublimation

128
Q

An equal mass of which of the following states of matter could completely fill either a
100 ml or 500 ml container?

129
Q
  1. Which of the following parts of the central nervous system releases chemicals that
    regulate the pituitary gland?
A

Hypothalamus

130
Q

Which of the following allows the AIDS virus, which contains RNA to insert viral
DNA into the DNA of a host T-cells after the AIDS virus enters the cells

A

Receptor proteins located on the surface of the virus

131
Q

If a portion of a strand of DNA bases reads 5’AGCTAGCGT 3’. What would the
sequence of bases on the complementary strand read?

A

3’TCGATCGCA5’

132
Q

Which of the following processes causes most of the carbon dioxide from the blood to
move into alveoli

A

Diffusion down a concentration gradient

133
Q

Which of the following units is used to indicate mass?

134
Q

Which of the following body systems develop from the same origin tissue as lungs?

A

Gastrointestinal

135
Q

A researcher is gathering large amounts of data about patients who have a common
disease and the effectiveness of various medications in comparison to a placebo.
Which of the following types of graphs is the best way for the researcher to present
the data?

A

Line Graph

136
Q

A researcher collects high-resolution photographs of the earth taken from outer space
at annual intervals for the last decades.

This data would be most useful to analyse
which of the following?

A

Weather patterns during hurricanes