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Teas Test > Science Pre-Test > Flashcards

Science Pre-Test Flashcards

1
Q

Inflammation, production of interferon, and ingestion of pathogens by phagocytes are nonspecific cellular responses by which of the following?

A : The internal aspect of adaptive immune system

B : Antibody-mediated immunity

C : The internal aspect of the innate immune system

D : Passive immunity

A

The internal aspect of the innate system

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2
Q

What feature of the adaptive immune system decreases the amount of time it takes for the body to respond to a particular antigen?

A : Unbroken skin

B : Memory cells

C : Cytotoxic T-Cells

D : Inflammation

A

Memory cells

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3
Q

Which of the following occurs in the cardiac cycle of the impulse triggered at the sinoatrial node never reaches the Purkinje fibers of the heart?

A : The Atria will not contract

B : There will be an absence of systole

C : The ventricles will not contract

D : Diastole will shorten in duration

A

The ventricles will not contract

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4
Q

Which of the following describes the link between damaged villi and malnutrition?

A : Damaged villi decrease the nutrient absorbing surface area in the gastrointestinal tract

B : if villi are damaged, the surface area of the stomach is decreased

C : Peristalsis of the large intestine will be diminished

D : Damaged villi cause gastric reflux disease

A

Damaged villi decease the nutrient-absorbing surface area in the gastrointestinal tract

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5
Q

Which of the following organs is responsible for the majority of the chemical digestión and absorption of nutrients in the digestive system?

A : large intestine

B : small intestine

C : liver

D : pancreas

A

Small intestine

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6
Q

Contraction occurs when the thin ____ filaments slide past the thicker _____ filaments, causing the sarcomere unit to shorten or contract.

A : actin ; myosin

B : myosin; axon

C : axon ; actin

D : dendrite; axon

A

Actin, myosin

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7
Q

The endocrine system is a collection of ductless glands that produce which of the following responses ?

A : A quickly initiating but prolonged response on our body systems

B : A slowly initiating and short response on our body systems

C : A quickly initiating and short response on other body systems

D : A slowly initiating but prolonged response on other body systems

A

A slowly initiating but prolonged response on other body systems

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8
Q

Which of the following glands has an exocrine function and aids in the regulation of blood glucose?

A : adrenal

B : pancreas

C : thyroid

D : pituitary

A

Páncreas

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9
Q

Which of the following terms refers to the middle layer of the skin that is made of connective tissue

A : hypodermis

B : keratin

C : dermis

D : epidermis

A

Dermis

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10
Q

Which of the following is produced by the skin when a cholesterol based precursor is modified by the presence of ultraviolet radiation?

A : renin

B : vitamin d

C : sweat

D : keratin

A

Vitamin D

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11
Q

Which of the following types of bone cells perform mineral resorption?

A : osteons

B : osteocytes

C : osteoblasts

D : Osteoclasts

A

Osteoclasts

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12
Q

Inside of adult long bones, yellow bone marrow is located within which of the following ?

A : lamellae

B : medullary cavity

C : osteon

D : spongy bone

A

Medullary cavity

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13
Q

Which of the following types of tissue serves to fasten and support body parts?

A : connective

B : nervous

C : epithelial

D : muscle

A

Connective

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14
Q

Which of the following leaves the body vía vas deferens ?

A : gametes

B : follicles

C : zygotes

D : corpora lutea

A

Gametes

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15
Q

Which of the following reproductive organs produces Sperm in males and ova in females?

A : follicles

B : prostate

C : scrotum

D : gonads

A

Gonads

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16
Q

Which of the following is the term used to describe an action potential jumping from node to node in an axon ?

A : reverberation

B : temporal summation

C : saltatory conduction

D : ricocheting

A

Saltatory conduction

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17
Q

A polysaccharide can be described as which of the following

A : a carbohydrate that is made of many sugar molecules

B : a molecule that is made up of many amino acid monomers

C : a macromolecule that makes up many lipid molecules

D : a polymer made up of many fatty acids bonded together

A

A carbohydrate that is made of many sugar molecules

18
Q

Which of the following is a chemical reaction between two molecules in which water molecule is released and a covalent bond forms?

A : hydrolysis reaction

B : dehydration reaction

C : exothermic reaction

D : ionic reaction

A

Dehydration reaction

19
Q

If a DNA segment of GGA TAC ATA is used as a template for RNA, what will the sequence of bases be in the complementary codons?

A : CCT ATG TAT

B : GGA TAC ATA

C : CCU AUG UAU

D : CCG AGU GAG

A

CCU AUG UAU

20
Q

Which of the following is a triplet of nitrogenous bases that codes for an amino acid?

A : complementary strand

B : template strand

C : nucleotide

D : codon

A

Codon

21
Q

Inheritance can be described as which of the following ?

A : spontaneous development of new traits in offspring

B : transmission of characteristics to offspring

C : sharing of characteristics with siblings

D : transmission of characteristics to parents

A

Transmission of characteristics to offspring

22
Q

Genetic information describing the characteristics of an organisms is found in which of the following ?

A : ribosome

B : nucleus

C : lysosome

D : mitochondrion

A

Nucleus

23
Q

Which of the following best describes the result of mitosis?

A : new body cells that replace damaged body cells

B : reproductive cells that can lead to new offspring

C : secretion of keratin used in nail and bar production

D : new proteins that can be used to build structures in the cell

A

New body cells that replace damaged body cells

24
Q

Which of the following statements describes the function of ribosomes?

A : they are used by cells to protect strands of dna

B : they maintain lipid production and storage

C : the facilitate protein synthesis

D : they convert food energy into cell energy

A

They facilitate protein synthesis

25
Q

Which for the following statements correctly describes a major metabolic pathway?

A : photosynthesis is a reductive, degradative pathway

B : respiration is an oxidative, degradative pathway

C : photosynthesis is an oxidative, synthetic pathway

D : respiration is a reductive, synthetic pathway

A

Respiration is an oxidative, degradative pathway

26
Q

Atomic mass has a decimal because it is the average ____ of all the isotopes for a particular element. The atomic number of an element is the number of _____ in its nucleus.

A : number of electrons, protons

B : mass; protons

C : mass; neutrons

D : protons ; neutrons

A

Mass, protons

27
Q

An atom that has lost an electron becomes _____ in charge and is called a _____

A : positive ; anion

B : negative ; cation

C : negative ; anion

D : positive; cation

A

Positive,cation

28
Q

Which of the following statements is true about protons?

A : they can travel around the nucleus of an atom

B : they can be shared with another atom in a covalent bond

C : they can be transferred to another atom in an ionic bond

D : they are located in the nucleus of an atom

A

They are located in nucleus of an atom

29
Q

Which of the following is characteristic of a graph displaying the physical stages of substance under varying temperature and pressure?

A : showing the “critical point” combination of temperature and pressure where a substance can exist in all three phases

B : showing the relationship between temperature and the energy change of a substance (in Kj)

C : having temperature and pressure as it’s axes and is called a boiling point diagram

D : having temperature and pressure as it’s axes and a phase diagram

A

Having temperature and pressure as it’s axes and is called a phase diagram

30
Q

Each elements atomic number is determined by the number of which of the following types of particles in each atom ?

A : protons

B : electrons

C : neutrons

D : ions

A

Protons

31
Q

The number of which of the following particles will differ for each isotope of the same element?

A : electrons orbiting its nucleus

B : ions that it can produce

C : neutrons in its nucleus

D : neutrons orbiting its nucleus

A

Neutrons in its nucleus

32
Q

Which of the following best describes the mass of an object?

A: A chemical and intensive property

B: An extensive property and physical property

C: A physical property and intensive property

D: An intensive and extensive property

A

An extensive property and physically property

33
Q

Which of the following characteristics applies to the bonds holding together nonpolar covalent molecules?

A : they share electrons between atoms and result in a balanced distribution of charges throughout the molecule

B : they share electrons between oxygen atoms of two different water Molecule

C : They hold water molecules in hydrogen bind associations that increase in number as temperature decreases

D : They are made from the joining of oppositely charged ions that develop with electron transfer

A

They share electrons between atoms and result in a balanced distribution of charges throughout the molecule

34
Q

Which of the following is the appropriate prefix to measure the amount of space taken up by a penny ?

A : kilo

B : milli

C : micro

D : deca

A

Milli

35
Q

Which of the following is a true statement about SI units ?

A : The term “SI UNIT” is an abbreviation for the phase scientific instrument units

B : SI UNITS are part of a standard system of measurement that is sued in science

C : When using SI UNITS, indicating magnitude may include conversion between yards and miles

D : Prefixes used with SI UNITS that are unique to whether magnitude is being indicated for mass, length, or volume

A

SI units are part of a standard system of measurement that is used in science

36
Q

In which of the following scenarios is empirical date being collected ?

A : Nina discovers that she has cut out too many green square pieces of fabric for the quilt she is working on

B : Camille imagines that it will be best for her to grow tomatoes in the front garden this year

C : ian writes down his conclusion about why he is able to hide his bike faster than his sister

D : Samantha counts the number of school busses that pass her house on Monday between 2:00 pm and 3:00 pm

A

Samantha counts the number of school busses that pass her house on Monday between 2:00 pm and 3:00 pm

37
Q

Which of the following is a requirement in order to develop a sound conclusion?

A : data collection that is both accurate and biased

B : data that reflects the effect ( of lack of effect) of the dependent variable

C : data that is collected from a scientific experiment instead of a correlation study

D : data that is collected from an experiment that includes a control

A

Data that is collected from an experiment that includes a control

38
Q

Which of the following statements is true about understanding magnitude when describing relationships?

A : unit of scale is insignificant when describing the relative quantity

B : a micrometer is smaller than a centimeter and a centimeter is smaller than a kilometer

C : it is reasonable to omit units of measure when describing quantitative relationships

D : magnitude is characteristic of qualitative data

A

A micrometer is smaller than a centimeter, and a centimeter is smaller than a kilometer

39
Q

Which of the following is an example of a hypothesis

A : as the dog ran around the tree he continued to bark

B : one cup of soda was added to each of the plants in one group

C : there are ten kinds of birds outside my kitchen window

D : if a plant is watered with acid rain it grow more slowly

A

If a plant is watered with acid rain, it will grow more slowly

40
Q

Students are designing an experiment to test the effect of drinking lemonade on the number of sit-ups they are able to perform. Which of the following is the dependent variable ?

A : drinking lemonade

B : drinking water

C : number of sit ups

D : time between sit ups

A

Number of sit-ups

41
Q

Which of the following options correctly matches the SI unit with an appropriate measurement device ?

A : a graduated pipette measures gram

B : a beaker measures ounces

C : an analytical balance measures meter

D : a thermometer measures kelvins

A

A thermometer measures kelvin

42
Q

Which of the following variables is manipulated during an experiment?

A : control

B : independent

C : dependent

D : extraneous

A

Independent

Teas Test (29 decks)

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