Teas Science Flashcards

(137 cards)

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
Which of the following processes causes most of the carbon dioxide from the blood to move into alveoli?
Diffusion down a concentration gradient
26
Which of the following is a property of water?
Water dissolves polar ionic compounds
27
Which of the following elements has the smallest atomic radius
C
28
Which of the following pancreatic secretions digests starch into disaccharides
Amylase
29
Which of the following units is used to indicate mass?
Mg
30
Histones are proteins associated with which of the following?
DNA
31
When an ionic salt is dissolved in water, the ions CO3 and K+ are formed. Which is the formula for the salt?
K2CO3
32
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?
Line Graph
33
Which of the following describes why water has a concave, or downward-curving meniscus when poured in a glass beaker?
The adhesive forces with the glass are greater than the cohesive forces
34
Which of the following statements correctly describes the change in coat coloring of an arctic for from brown in summer to white in winter?
The fox’s phenotype changes, but the genotype does not
35
Which of the following best describes adaptive immunity?
A response to specific traits of specific pathogens.
36
If a portion of a strand of DNA bases reads 5’AGCTAGCGT 3’. What would the sequence of bases on the complementary strand read?
3’TCGATCGCA5’
37
Which of the following is a function of a catalyst?
To increase the rate of reaction
38
Which of the following describes the process by which solid carbon dioxide (dry ice) turns directly into carbon dioxide gas?
Sublimation
39
Which of the following occurs during inhalation?
The diaphragm moves downwards
40
Which of the following body cavities is subdivided into the thoracic and abdominopelvic cavities?
Ventral
41
Which of the following layers of kin contains glands and hair follicles?
Dermis
42
Which of the following structures is present in both prokaryotic and eukaryotic cells?
Cell membrane
43
Which of the following is true if Koch’s postulates are met regarding a disease?
The disease is caused by a microorganism
44
Which of the following is a part of pulmonary circuit?
Pulmonary Vein
45
Which of the following is the appropriate threshold value for mammalian neurons?
-55 mV
46
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?
2 red, 2 white
47
Which of the following structures is present in both prokarayotic cells?
Cell Membrane
48
Which of the following can lead to a tsunami?
Earthquakes
49
Which of the following are used to determine a person’s DNA sequence?
Genes
50
Which of the following organic molecules contain both an amine and carboxyl group?
Proteins
51
Osteoporosis results from which of the following
A decline in osteoblast activity while osteoblast activity continues at expected levels
52
Which of the following is released by one type of immune cell to directly activate type of immune cell?
Cytokines
53
The measurement indicated by the line across the centre of the cell is best referred to as which of the following?
Diameter
54
Which of the following properties of water explains its solvent abilities for certain substances?
Polarity of water molecules
55
Which of the following vessels caries oxygenated blood?
Pulmonary vein
56
Which of the following is a mass with the ovary that secretes hormones to maintain the uterine lining during pregnancy?
Corpus luteum
57
To separate genomic DNA fragments by size, which of these laboratory methods is most useful?
Electrophoresis
58
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?
ff x ff
59
Which of the following physiological responses is caused by the release of anti- diuretic hormones?
Increase in water reabsorption in the collecting duct
60
Which of the following is the atomic number that has 12 protons and 12 neutrons?
12
61
Which of the following glands synthesizes antidiuretic hormone?
Hypothalamus
62
Which of the following is the process in which an ovarian follicle matures and releases a reproductive egg?
Ovulation
63
Which of the following reasons explains why it is important for new scientific findings to be published?
Other scientists can validate or disapprove the findings
64
Which of the following substances is responsible for donating H+ ions to act as a
Carbonic acid
65
Which of the following is the structure through which blood exits the glomerulus?
Efferent arteriole
66
Which of the following is the function of totipotent cell?
Develops into any kind of cell
67
Which of the following statements best supports the hypothesis that viruses can cause cancer?
Genes that regulate cell division are found in some viruses
68
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?
Triple point
69
Which of the following microorganisms lack their own metabolic pathways and can reproduce inside a host cell?
Viruses
70
If a portion of a strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the sequence of bases on the complementary stand read?
3’ TCGATCGCA 5’
71
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?
Critical point
72
Which of the following indicates the function of sodium bicarbonate released by the pancreas?
Sodium bicarbonate neutralizes the acidity of chime
73
Which of the following types of cells produce and release antibodies?
Plasma B cells
74
The cytoskeleton of a cell is comprised of which of the following macromolecules?
Proteins
75
Which of the following summarizes a change that takes place as a solid turns into a liquid?
Particles become less ordered
76
Which of the following are specific immune response (select all that apply)?
T lymphocyte activation and clonal expansion The formation of memory B cells Complement proteins binding to and destroying bacteria
77
Which of the following is the main function of centrosomes in animal cells?
Microtubule organization
78
Testosterone is categorized as which of the following types of hormone?
Androgen
79
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?
The body was frozen in the cold temperature of the Alps shortly after he died and remained frozen until it was found
79
Which of the following are the two major parts of the nervous system?
Peripheral nervous system and central nervous system
80
Nitrogen gas is an extremely stable because its structure contain which of the following?
Triple covalent bonds
81
82
Which of the following best describes the result of using a catalyst in a chemical reaction?
The reaction is completed in a shorter amount of time.
83
Which of the following substances protect the skin from ultraviolet radiation?
Melanin
84
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?
Osmosis
85
Which of the following is a group that can be measured against the experimental group?
Control
86
A myocardial infarction affects which of the following blood vessels of the heart?
Coronary artery
87
Which of the following processes caused most of the carbon dioxide from the blood to most into alveoli?
Diffusion down a concertation gradient
88
Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the formation of ammonia?
Urea
89
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
3
90
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?
Receptor proteins located on the surface of the virus
91
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)
50%
92
Carbon has an atomic number of 6. Which of the following is true about isotope C-12?
C-12 possesses 6 neutrons and 6 protons in its nucleus
93
Which of the following best describes adaptive immunity?
A response to specific traits of specific pathogens.
94
Which of the following describes why water has a concave, or downward-curving meniscus when poured in a glass beaker?
The adhesive forces with the glass are greater than the cohesive forces
95
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?
HCO3- + H+  H2CO3
96
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?
Wavelength of lights the only variable that has been changed between groups
97
Which of the following is a property of water?
Water dissolves polar iconic compounds
98
Lifelong protection after exposure to a virus such as chickenpox is due to which of the following types of immunity?
Active
99
Which of the following is an example of active transport?
Movement of a sodium and potassium across the cell membrane against their CONCENTRATION GRADIENT.
100
Which of the following body cavities is subdivided into the thoracic and abdominopelvic cavities?
Ventral
101
Mutations in which of the following types of cells can be inherited by offspring?
Ovarian
102
Which of the following pancreatic secretions digests starch into disaccharides
Amylase
103
A cell is placed in a hypertonic solution. Which of the following describes the resulting osmosis?
There is a net flow of water out of the cell
104
When an ionic salt is dissolved in water, the ions CO3 and K+ are formed. Which is the formula for the salt?
K2CO3
105
Which of the following elements has the smallest atomic radius
C
106
Which of the following structures is a flap of cartilage that prevents the movement of food into the trachea?
Epiglottis
107
Which of the following structures is present in both prokaryotic and eukaryotic cells?
Cell membrane
108
Which of the following is a part of pulmonary circuit
Pulmonary vein
109
Carbohydrates are composed of which of the following?
Monosaccharides
110
Histones are proteins associated with which of the following?
DNA
111
Which of the following layers of skin contains glands and hair follicles
Dermis
112
Which of the following describes the function of tendons?
Tendons attach skeletal muscles to bones
113
Which of the following actions does a hydrophilic hormone take to activate a target cell?
The hormone binds to cell-surface receptors of the target cells
114
Which of the following is a weakness of a correlational study?
Cannot determine causation
115
During muscle contraction, myosin is directly responsible for which of the following?
Forming cross bridges with actin molecules
116
Which of the following vessels is responsible for carrying blood from the upper body to the right atrium of the heart?
Superior vena cava
117
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). 8= 4 3 divided by 2
118
Which of the following statements correctly describes the change in coat colouring of an arctic for from brown in summer to white in winter?
The fox’s phenotype changes, but the genotype does not
119
Permanent damage to which of the following types of tissues in the spinal cord will cause paralysis
Nervous tissue
120
The shortening of a sarcomere in skeletal muscle is directly due to the interactional of which of the following?
Myosin and actin
121
Which of the following terms describes the removal of metabolic waste from the body?
excretion
122
Which of the following substances is excreted by sweet glands in response to the breakdown of protein and the formation of ammonia?
Urea
123
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)
Correct order: Right atrium, right ventricle, pulmonic valve, pulmonary artery, lungs.
124
A vasectomy is a procedure in which the vas deferens are cut. Which of the following describes why a vasectomy leads to infertility?
The vasectomy blocks the movement of sperm from the epididymis into urethra
125
Which of the following occurs during inhalation?
The diaphragm moves downwards
126
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 hypothesis
127
Which of the following describes the process by which solid carbon dioxide (dry ice) turns directly into carbon dioxide gas?
Sublimation
128
An equal mass of which of the following states of matter could completely fill either a 100 ml or 500 ml container?
Gas
129
37. Which of the following parts of the central nervous system releases chemicals that regulate the pituitary gland?
Hypothalamus
130
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
Receptor proteins located on the surface of the virus
131
If a portion of a strand of DNA bases reads 5’AGCTAGCGT 3’. What would the sequence of bases on the complementary strand read?
3’TCGATCGCA5’
132
Which of the following processes causes most of the carbon dioxide from the blood to move into alveoli
Diffusion down a concentration gradient
133
Which of the following units is used to indicate mass?
Mg
134
Which of the following body systems develop from the same origin tissue as lungs?
Gastrointestinal
135
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?
Line Graph
136
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?
Weather patterns during hurricanes