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TEAS Test > sciences > Flashcards

sciences Flashcards

1
Q

which of the following describes the primary function of the respiratory system?

A

to take oxygen into the body while removing carbon dioxide.

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2
Q

which of the following is the first step of the scientific method?

A

make observation

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3
Q

the process of organisms with an advantageous trait surviving more often and producing more offspring than organisms without the advantage traits describes which of the following basic mechanisms of evolution?

A

natural selection

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4
Q

which of the following is the group of basophils that produces follicle-stimulating hormone (FSH) and luteinizing hormone (LH)?

A

gonadotrophs

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5
Q

which of the following are considered the basic units of the female reproductive system, each containing a single immature egg cell that is released during ovulation?

A

follicles

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6
Q

which of the following describes the muscular organ that processes food material into increasingly smaller pieces, mixes it with saliva to create a bolus, and creates a barrier to transport food into the esophagus?

A

tounge

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7
Q

which of the following chambers of the heart receives blood returning from the lungs during pulmonary circulation?

A

left atrium

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8
Q

which of the following is the lobe in the cerebral cortex primarily responsible for processing and integrating sensory information received from the rest of the body?

A

parietal lobe

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9
Q

which of the following is an example of adaptive, or specific, immunity?

A

humoral

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10
Q

which of the following describes a situation in which research results are consistent with every subsequent experiment, but the test used in the experiment does not measure what it claims to measure?

A

reliable, but not valid

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11
Q

which of the following Mendellian laws describe how pairs of alleles within genes separate and recombine separately from other genes?

A

law of independent assortment

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12
Q

which of the following describes how atomic radius varies across the periodic table?

A

atomic radius increase from top to bottom and right to left on the periodic table.

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13
Q

which of the following is NOT a tissue layer found in skeletal bone?

A

enamel

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14
Q

which of the following sets of valves is primarily responsible for preventing blood flow from major blood vessels to the heart?

A

semilunar valves

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15
Q

bone is composed primarily of which of the following inorganic materials?

A

calcium

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16
Q

which of the following is the primary physical barrier the body uses to prevent infection?

A

skin

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17
Q

which of the following is the connective area where nerve impulses send neurotransmitter across a synapse to a muscle contraction?

A

neuromuscular junction

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18
Q

which of the following istheregion of the brain that controls and regulates autonomic functions such as respiration, digestion, and heart rate?

A

medulla oblongata

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19
Q

which of the following describes the primary function of the pyloric sphincter?

A

to regulate the movement of digested food material from the stomach to the duodenum

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20
Q

which of the following is the location of fertilization in the female?

A

fallopian tubes

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21
Q

the pineal glands is located in which of the following areas in the body?

A

at the center of the brain hemispheres

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22
Q

which of the following processes aids scientists in observing a population sample in order to answer questions about the whole population?

A

inferential statistics

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23
Q

which of the following biological macromolecules is non-soluble, composed of hydrocarbons, and acts as an important source of energy storage for the body?

A

lipids

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24
Q

which of the following is specialized tissue in the right atrium that acts as the heart’s natural pacemaker by generating the electrical signal for the heartbeat?

A

sinoatrial node

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25
Q

which of the following is a dense, interconnected mass of nerve cells located outside of the central nervous system?

A

ganglion

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26
Q

which of the following is the primary cell found in the tract of the small intestine?

A

surface absorptive cells

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27
Q

which of the following describes the general function of cytokines in the immune system?

A

they communicate between cells to instigate an immune response.

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28
Q

which of the following describes the path through which air moves during inhalation?

A

mouth/nose > pharynx >larynx >trachea > bronchi > bronchioles > alveoli

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29
Q

which of the following is not a function of the progesterone on the female reproductive system?

A

expression of secondary sexual characteristic, such as enlarged breast.

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30
Q

which of the following layers if the skin acts as an energy reserve by storing adipocytes and releasing them into circulation when energy is needed?

A

hypodermis

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31
Q

neurotransmitter send chemical messages across the gap between one neuron and another in which of the following structures?

A

synapse

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32
Q

Hund’s rule states witch of the following?

A

electrons fill orbitals singly and with similar spin before pairing

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33
Q

which of the following is the primary function of the large intestine?

A

absorbing water and compacting material into solid waste

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34
Q

which of the following is a type of white blood cells that plays a key role in adaptive immunity by seeking out, attacking, and destroying targeted pathogens?

A

T cells

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35
Q

which of the following are the blood vessels that transport blood to the heart?

A

veins

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36
Q

which of the following cells organelles are the site of lipids synthesis?

A

smooth endoplasmic reticulum

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37
Q

which of the following describe a series of measurements that produces exact results on a consistent basis?

A

precise

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38
Q

chromatids divide into identical chromosomes and migrates to opposite ends of the cell in which of the following phases of mitosis?

A

anaphase

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39
Q

a series of muscle contraction that transports food down the digestive tract in a wave- like fashion describes which of the following?

A

peristalsis

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40
Q

which of the following is NOT a function of the liver

A

insulin production and blood sugar

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41
Q

which of the following are regions of the digestive system in which amylase is produced?

A

pancreas and salivary glands

42
Q

which of the following describes a cells reaction to being placed in a hypertonic solution

A

the cell shrinks as water is pulled out of the cell to equalize the concentrations inside and outside of the cell

43
Q

which of the following are the two major zones of the respiratory system

A

conducting and respiratory

44
Q

which of the following is not one of the major tissue layers of the alimenttary canal

A

duodenum

45
Q

which of the following distinguishes the isotopes of an element

A

isotopes are atoms of the same element that have different numbers of neutrons

46
Q

which of the following is the cartilaginous flap that protects the larynx from water or food while still allowing the flow of air

A

epigottis

47
Q

which of the following describes the function of the fascia in muscle tissue

A

to enclose, protect, support, and separate muscle tissue

48
Q

which of the following correctly describes a strong acid

A

a strong acid completely ionizes in water

49
Q

the process by which blood circulates oxygen from the lungs to the bodys tissues is an example of which of the following

A

internal respiration

50
Q

which of the following is the material that is secreted into hair follicles to waterproof and lubricate the skin

A

sebum

51
Q

which of the following are the connective tissues that attach bone to bone and help strengthen joints

A

ligaments

52
Q

which of the following is NOT a nucleobase of DNA

A

uracil

53
Q

which of the following materials is the primary structure protein of the epidermis, nail, and skin

A

keratin

54
Q

which of the following correctly describes atomic number

A

the atomic number is the number of protons in a atom

55
Q

which of the following is a descriptive, generalized body of scientific observations

A

law

56
Q

which of the following types of cells are the main transporters of oxygen through the body

A

red blood cells

57
Q

which of the following is the general term for chemical substance that the body produces and transports through the blood to stimulate a cellular response

A

hormones

58
Q

which of the following is NOT a function of hair

A

protecting soft tissue from injury

59
Q

which of the following is NOT one of the functions of proteins found in the phospholipid bilyer of a cell membrane

A

to break down material that enters through the cell membrane

60
Q

which of the following is the muscular action that moves a part of the body away from its median plane

A

abduction

61
Q

which of the following does NOT distinguish quantitative data collection from qualitative data collection methods

A

qualitative methods do not need to be valid or reliable as quantitative methods

62
Q

which of the following is an example of a birthmark, caused by an increased volume of capillaries close to the surface of the skin

A

vascular nevis

63
Q

which of the following correctly describes the valence shell of an atom

A

the valence shell is the outermost- occupied electron orbital energy level

64
Q

which of the following describes how skeletal muscles and bones work together to stimulate movement

A

muscles contract and exert forces on the bone, which acts as a lever to stimulate movement

65
Q

which of the following describes the correct order of stage of the cell cycle

A

interphase> mitosis>cytokinesis

66
Q

which of the following occurs due to a hypersensitivity in the immmune system that causes a major inflammatory response to a common material

A

allergies

67
Q

which of the following is one of the primary muscles that drives ventilation

A

diaphragm

68
Q

white blood cells develop from stem cells located in which of the following organs

A

bone marrow

69
Q

which of the following describes a gene in which one allele takes a different form from another

A

heterozygous

70
Q

which of the following molecules have london dispersion forces

A

all atoms and molecules have london dispersion forces

71
Q

which of the following are the two proteins found in muscle tissue that cause muscle contraction as they slide past one another

A

actin and myosin

72
Q

which of the following is NOT s hormone-producing gland of the endocrine system

A

steroid

73
Q

which of the following is the process in which pathogens are eaten or obsorbed and digested by white blood cells as part of an immune response

A

phagocytosis

74
Q

which of the following describe the relationship between correlation and causation

A

correlation does not imply causation

75
Q

the exchange of gases and blood happens in which of the following parts of the respiratory zones

A

alveoli

76
Q

which of the following glands provides nourishment for sperm, as well as the majority of the fluids that combines with sperm to form semen

A

seminal vesicles

77
Q

which of the following is the largest branch of the abdominal aorta, which supplies oxygenated blood to the upper digestive tract

A

celiac artery

78
Q

which of the following is NOT a phase of spermatogenesis, or the final stage of sperm formation

A

fertilization

79
Q

blood is metabolized in the liver as is passes through which of the following types of blood vessels

A

sinusoidal capillaries

80
Q

which of the following is a heterogeneous mixture

A

a mixture in which the atoms or molecules are distributed unevenly

81
Q

hormones can be classified into one of four basic groups based on their chemical source. which of the following groups is derived from cholesterol

A

steroids

82
Q

which of the following is a definition of adaptation, in the context of evolution

A

a biological feature or behavior in a population of organisms that improves its chances for survival in the environment

83
Q

which of the following is the element of blood that comprises most of its total volume

A

plasma

84
Q

which of the following is NOT true for enzyme-catalyzed reactions

A

the reaction will speed up without limit as the temperature increases

85
Q

which of the following is the molecule found in red blood cells that binds to up to four oxygen molecules

A

hemoglobin

86
Q

which of the following is NOT a reason why randomization is critical in experimental designs, especially in experiments with human subjects

A

to give humans no choice but to participate

87
Q

which of the following is the division of the nervous system primarily responsible for regulating all involuntary and subconscious muscle functions

A

autonomic nervous system

88
Q

which of the following is an appendage of neuron that sends electrical signals away from the neuron cell

A

axon

89
Q

which of the following is the definition of action potential in a neuron

A

an electrical impulse that is transported down a neuron in response to a stimulus

90
Q

which of the following are the three major portions of the brain

A

cerebrum, cerebellum, brain stem

91
Q

which of the following describes how a catalyst speeds up a reaction

A

a catalyst lowers the activation energy by providing an alternate route for the reaction

92
Q

which of the following is the final vessel through which semen must pass before being expelled from the body

A

penile urethra

93
Q

which of the following groups of bone are part of the axial skeleton

A

rib cage

94
Q

which of the following types of variables is changed in a scientific experiment

A

independent variables

95
Q

the vertebral column consists of thirty- three vertebrae and is divided into several group. which of the following describes the lumbar vertebrae

A

five vertebrae located in the lower back, which support most of the body’s weight

96
Q

which of the hypothesis assumes no relationship between two variables

A

null hypothesis

97
Q

which of the following describes the applicability of a research conclusion to situations outside the experiment

A

external validity

98
Q

which of the following is NOT one of the three types of muscles found in the human body

A

soft

99
Q

which of the following is the structure of the male reproductive system that stores spermatozoa during the maturation process

A

epididymis

100
Q

which of the following types of hormones stimulates a chemical response to a target cell by diffusing through the cell membrane to bind to the receptors inside the cell

A

fat-soluble hormones

101
Q

which of the following is an example of human error in an experiment

A

contaminating a sterile sample by breathing on it

102
Q

specialized cells called osteoblast form new bone tissue through deposition of calcium in which of the following processes

A

ossification

TEAS Test (4 decks)

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