ATI TEAS - Math & Science

What is the product of 2.50 × 0.25?

0.625

What is the median of the data set 11, 12, 18, 14, 22, 17, 17, 12, 26, 12, 13?

14

A right triangle has one leg 8 ft and hypotenuse 12 ft. What is the length of the other leg (nearest tenth)?

8.9 ft

Translate the phrase “Five less than twice a number” into an algebraic expression.

2x − 5

When cycling speed increases, calories, distance, and energy also rise. Which is the independent variable?

Speed

Which graph best displays counts of apple, orange, lemon, banana, and pear trees?

Bar graph

Estimate a 15 % tip for a $38.40 bill.

About $6.00

Which of the following is greatest: 37 %, 34⁄96, 0.372, or 3⁄8?

3⁄8

How many feet are in 6 yards?

18 ft

What is the probability that a PN or RN is female if 50 PN + 70 RN are female out of 200 total nurses?

3⁄5

Solve 4(x − 5) = 8 for x.

x = 7

If a scatterplot shows test scores decreasing as hours of music increase, what correlation is this?

Negative correlation

A symmetric, single-peak distribution of newborn weights is called .

Bell-shaped (normal)

Estimate the sale price of an $87 sweater marked 25 % off.

≈ $65

An athlete runs 4 mi in 28 min and 4 mi in 32 min. Average minutes per mile overall?

7.5 min/mile

If the rectangle width is x, express the length that is four less than three times the width.

3x − 4

Circle area 49π in². What is its circumference in terms of π?

14π in

What is the ratio of girls to boys in a class of 15 girls and 13 boys?

15 : 13

Mean and range of −5 °C, −2 °C, 3 °C, 4 °C, 5 °C?

Mean = 1 °C; Range = 10 °C

How much ammonia is needed for 120 gal of solution requiring 6 oz per gallon?

720 oz

Cost of 2 syringes if 35 cost $560?

$32

Area of a 16-in-diameter pizza (in terms of π)?

64π in²

Net 4-week pay if weekly gross is $800 and taxes are $200 per week.

$2,400

Correct decimal placement for 1.3 × 0.47.

0.611

Which relationship shows positive correlation?

More water a plant receives → faster plant growth

Solve 2(4x + 3) = 7x + 5.

x = −1

How many milliliters in 3 L?

3,000 mL

Total cargo weight if 1⁄3 weighs 516 lb.

1,548 lb

Which country had the greatest per-capita health-spending increase 2013-2015 (data: Sudan +7, Tanzania +13, etc.)?

Tanzania

How many milliliters are in 0.5 L?

500 mL

5⁄8 expressed as a percentage.

62.5 %

After spending 80 % of $60 and earning an 80 % profit on what’s left, how much money does Lana have?

$21.60

Convert 50 kg to pounds (1 kg = 2.2 lb).

110 lb

Area of a 100 m × 75 m soccer field in hectares (1 ha = 10,000 m²).

0.75 ha

Estimated sum of 452 + 5,017 using the student’s rounding strategy?

5,470

Which viral enzyme lets HIV convert its RNA into DNA inside a host cell?

Reverse transcriptase

Why was a 5,300-year-old body preserved in the Alps?

It remained frozen in cold temperatures

What can a totipotent cell do?

Develop into any type of cell

Which property of water makes it a good solvent?

Polarity of water molecules

Main role of sodium bicarbonate released by the pancreas.

Neutralizes acidic chyme entering the small intestine

Immune-cell chemicals that activate other immune cells are called .

Cytokines

Testosterone belongs to which hormone class?

Androgens

Units used to determine a person’s DNA sequence are called .

Genes

In a phase diagram, the point where solid, liquid, and gas coexist.

Triple point

Water movement through aquaporins in a hypertonic solution is called .

Osmosis (a type of facilitated diffusion)

Which substance donates H⁺ to buffer rising blood pH?

Carbonic acid

Which gland synthesizes antidiuretic hormone (ADH)?

Hypothalamus

Cross Rr (red) × rr (white). Expected phenotype ratio?

2 red : 2 white

The peripheral and central divisions make up which body system?

Nervous system

During which day of a 28-day cycle is a woman most fertile?

Around day 14 (ovulation)

Which ovarian structure secretes hormones to maintain the uterine lining in early pregnancy?

Corpus luteum

A myocardial infarction blocks which heart vessels?

Coronary arteries

In an osmosis experiment, what is the dependent variable if bag mass changes are recorded?

Bag mass change

Line across the center of a spherical cell measures its .

Diameter

Which skin pigment protects against ultraviolet radiation?

Melanin

ADH causes what change in the kidney?

Increased water reabsorption in the collecting duct

Using a catalyst in a reaction generally results in .

A shorter reaction time (lower activation energy)

The shedding blood and tissue during menstruation originates from which organ?

Uterus (endometrium)

Approximate threshold potential for mammalian neurons.

−55 mV

Which vessel carries oxygenated blood from lungs to heart?

Pulmonary vein

The cytoskeleton is primarily made of which macromolecules?

Proteins

Which immune cells secrete antibodies?

Plasma B cells

Laboratory method that separates DNA fragments by size.

Gel electrophoresis

Which cross yields only smooth-leaf (ff) offspring if F is dominant for fuzzy leaves?

ff × ff

Which endocrine gland regulates milk production post-partum?

Pituitary gland (via prolactin)

In an experiment, what is the group measured against the experimental group?

Control group

Atomic number of an atom with 12 protons.

12

Process in which an ovarian follicle releases an egg.

Ovulation

Number of protons in a lithium atom with atomic number 3.

3

Blood exits the glomerulus through the .

Efferent arteriole

Why should new scientific findings be published?

So other scientists can validate or refute the results

Main natural cause of tsunamis.

Earthquakes

Primary function of centrosomes in animal cells.

Microtubule organization

Evidence that viruses can cause cancer.

Some viruses carry genes that regulate cell division

Osteoporosis results from .

Decline in osteoblast activity while osteoclast activity remains

The pleura covers which organ?

Lung

Nitrogen gas (N₂) is very stable because it has .

A triple covalent bond

Which ion binds troponin to initiate muscle contraction?

Calcium (Ca²⁺)

Organic molecules containing both an amine and a carboxyl group.

Proteins (amino acids)

As a solid melts to a liquid, particles become .

Less ordered (more freedom of movement)

In a coffee-filter experiment, how did terminal velocity relate to mass?

Heavier objects (more filters) fell faster (higher terminal velocity)

How much flour is needed to bake 90 cookies if 2 ¼ cups makes 36 cookies?

10 ⅛ cups of flour.

Which soft-drink purchase gives at least 50 drinks for the lowest cost?

Buy 2 packs of Orange (24 each) and 1 pack of Cream Soda (12 each) for 60 drinks at $23.

Minimum ramp length for a 2.5-ft rise with a 1:12 ADA slope?

30 ft.

Most appropriate unit to measure the length of a dollar bill?

Centimeters (cm).

After one friend eats half the pizza, what fraction does each of the remaining three friends receive?

Each receives 1⁄6 of the pizza.

Number of students in respiratory-care if it is 19 % of 800 students?

152 students.

Decimal equivalent of 7⁄25

0.28

Greatest value among 9⁄2, 4.4, 10⁄3, 4.25

9⁄2 (which equals 4.5).

Circumference of a circle whose area is 49π in²

14π in.

Milliliters in 0.5 liters

500 mL.

Mean of the scores 100, 78, 47, 84, 93, 78

80.

Independent variable when studying credit hours vs. tuition, fees, and loans

Number of credit hours.

Best decimal approximation of 10√20

≈ 44.7

Total gallons in a full bucket that is 1⁄3 full with 24⁄5 gal

72⁄5 gal (14.4 gal).

Appropriate unit to measure the weight of a spoon

Grams (g).

Order of operations: simplify 2 (3 + 5 × 3) × (12 + 2)

504 (illustrates PEMDAS).

Median of −3, −2, 0, 5, 10

0

Best estimate of centimeters in a yard

≈ 90 cm.

Decimal form of 87.5 %

0.875