questions on TEAS

When blood leaves the left ventricle of the heart, which of the following structures does it enter next?

aorta

the "gray matter" of the brain is largely made up of which of the following?

neuron cell bodies

the hip is an example of which of the following type of joints?

ball and socket

which of the following structures drains oxygen-depleted blood from the kidneys?

renal vein

use the table below to answer the question. (object mass, time of fall) which of the following conclusions is supported by the data?

air resistance is greater for A than for B

experiments cannot validate hypothesis, only falsify them. The statement above can be restated in which of the following ways?

a hypothesis that has not been falsified remains provisional

which of the following respiratory structures is affected by a disease that disrupts gas exchange, such as emphysema

alveoli

in order to determine the effects of energy drinks on women's running speed, researchers gave 300 women an energy drink and then recorded the time it took each of them to run 2 miles. After collecting the results, researchers concluded that energy drinks increase the speed of running in women.

Which of the following further tests would best help to support this conclusion?

repeat the same experiment, using 300 men.

which of the following organs removes nitrogenous waste from the body?

kidneys

which of the following contains a human's hereditary information?

chromatin

which of the following nucleotides is only found in RNA?

uracil

which of the following is correct regarding the PH scale?

a substance with a PH of 3 is 10 times more acidic than a substance with a PH of 4

the vermiform appendix extends from the region of the large intestine known as which of the following?

cecum

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

diffusion down a concentration gradient

the component of an atom that possesses relatively little mass, thus being negligible in calculating the atomic mass number, is the

electron

which of the following would result in an increase in the rate of chemical reaction?

using a mortar and pestle to grind a solid reactant to a powder

which of the following cells transfers pigment granules to adjacent epidermal cells?

melanocytes

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

cell membrane

which of the following hormones regulates blood calcium levels?

parathyroid hormone

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' TCGATCGCA 5'

which of the following distinguishes endocrine and exocrine glands from one another?

the presence or absence of ducts

which of the following pathways best represents the expected flow of blood from the human heart to an organ?

blood pumped from the heart first enters arteries that then narrow to form arterioles that deliver blood to capillaries of the organ.

which of the following tissues lines the interior surfaces of the heart?

endocardium

which of the following atoms is most likely to become a cation?

Fluorine, atomic number 9

an experienced mountaineer decides to climb mount everest, taking the same route in the same season and with similar materials and equipment used in a fatal 1924 expedition. which of the following is the scientific purpose of such a climb?

to assess why the earlier expedition failed

which of the following endocrine organs in the diagram below is involved in regulating milk production following childbirth?

pituitary gland

which of the following molecules contains the fewest covalent bonds?

chlorine molecule (Cl2)

water molecules enter cells by which of the following transport mechanisms?

facilitated diffusion

using the equation PH=-log[H+], a solution with a [H+] =10^-9 M has a ph of which of the following?

9

in pea plants, green pod color (G) is dominant to yellow pod color (g). A cross was done between a plant with green pods and a plant with yellow pods. Of the resulting offspring, 50% had green pods and 50% had yellow pods. Which of the following were the genotypes of both parent plants?

Gg x gg

Which of the following tools can be used to measure the turbidity of liquid by measuring the transmission of light through the sample?

spectrophotometer

Which of the following functions does the myelin sheath perform for a nerve cell?

insulation

to accurately measure the density of a series of small irregular solids made of plastic, wood, fiberglass, and glass, a student will need which of the following laboratory tools?

graduated cylinder, water, weighing balance

which of the following classes of biological molecules includes enzymes?

proteins

a patient goes to the doctor with a cold and sore throat and asks for antibiotics. The doctor refuses to prescribe antibiotics to the patient because the illness is caused by which of the following pathogens?

virus

in which of the following regions of the body are the tibia and fibula

crural

which of the following actions allows for repolarization of a neuron?

the opening of potassium channels, allowing potassium to leave the neuron

Which of the following properties does soap, an emulsifier, have that make it useful for washing dirt off one's hands with water?

soap's dual polar and nonpolar nature helps bond oil and water

Which of the following is an efferent neuron that is responsible for releasing a neurotransmitter that stimulates a muscle cell to contract?

motor neuron

Which of the following describes a genetic mutation that results in uncontrolled division of a single cell within the body?

cancer

Which of the following correctly orders structures from simple to complex?

atoms, cells, tissues, organs

the mitochondrial inner membrane carries out the same function in cellular respiration as the ____ membrane of chloroplasts in photosynthesis.

thylakoid

the covalent bonds between the monomers of an enzyme macromolecule are

peptide bonds

Which of the following layers of skin lack blood vessels?

epidermis

which of the following growth curves shows a population that is at its carrying capacity? (millions, years)

B

a researcher wants to gather data on the average wing strength of all birds found in the American Northwest. The researcher only has one small net, so all large birds were excluded from the study. The researcher's results were different than expected, but he believes his data include enough birds to estimate the strength of all birds. For which of the following reasons should this data be rejected?

data are biased by the methodology

what is the unit used to indicate mass?

Mg

which of the following occurs during inhalation

the diaphram moves downwards

what is the largest organ in the human body by surface area?

skin

which of the following body systems develop from the same origin tissues as lungs?

gastrotestinal

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

myosin and actin

Carbohydrates are composed of which of the following?

monosaccharides

Contraction of the diaphragm and the external intercostal muscles results in which of the following?

a decrease in alveolar pressure

which of the following is a part of the pulmonary circuit?

pulmonary vein