ATI TEAS 7 - Science

Which blood group is the universal donor?

The universal blood donor is type O-

The universal acceptor is type AB+

Blood oxygen levels are most likely low when blood _________.

fills the right atrium

An intracellular chemical signal can be produced in the cell membrane. Once it is produced, where does it go?

To another part of the same cell

After food has been masticated in the oral cavity, where does it go next?

pharynx

The diffusion of nutrients through the walls of the digestive system is critical to homeostasis in the body. Where does the majority of this diffusion take place in the digestive system?

small intestine

As soon as an invader, known as a(n) _____, enters the body, the body begins to fight.

pathogen

Where is skeletal muscle found?

attached to bones

If a person smells something sweet, what form of information is this initially perceived as in the nervous system?

sensory

While hiking, a person is startled after encountering a bear. Her palms get sweaty and her heart starts racing. Which part of her nervous system was directly stimulated?

sympathetic

Which of the following types of tissues include cells of the immune system and of the blood?

connective tissue

Which best describes homeostasis?

A relatively constant environment within the body

Fertilization (the fusing of one sperm and an ovum) results in a(n) _________.

zygote

Which of the following are included in the male reproductive system?

the penis and epididymis

What structure plays a role in air conduction?

trachea

What body system is the skeletal system most closely associated with when hematopoises happens?

Cardiovascular system

What is the final structure through which urine must travel to empty out of the body?

urethra

Which sequence describes the hierarchy level of biological organization?

Kingdom, Phylum, Class, Order, Family, Genus, Species

Which example is part of the scientific method?

A researcher analyzes how many plants respond well to a new fertilizer.

What standard is used to make comparisons in experiments?

control group

Why did it take many years for the cell theory to be developed?

Advancements in microscopy took place slowly.

What organelle is only associated with plant cells?

cell wall

Which of the following is supported by the cell theory?

Cells are alive and recognized as the building blocks for life.

What raw inorganic material would an autotroph most likely use to create chemical energy for growth?

minerals in soil

When would a cell most likely contain the most nucleotides?

G1

What is the correct order of the stages of the cell cycle?

G1, S, G2, M

A student notices a pattern of stripes on five tigers. Each of the five tigers has the same stripe pattern. Using his inductive reasoning, what does he logically assume based on this information?

Each offspring will have the same stripe pattern

A researcher notices a positive correlation between the height of a plant and nutrient concentration over time. Based on this observation, what conclusion does he reach?

When the amount of nutrients available to the plant increases, its height also increases.

Which statement best represents Mendel's experiments with garden peas?

Mendel collaborated with others interested in genetics to develop heredity guidelines we still use today.

Which of the following is a component of a chromosome?

centromere

What solution has a pH of 7?

pure water

Which is classified as a type of acid-based reaction that produces a salt?

Neutralization

Which of the following determines the strength of an acidic solution?

Measured pH value less than 7

What type of bond forms between nitrogen and oxygen, and why?

covalent, because electrons are shared

Which of the following atoms is a cation?

82 protons, 125 neutrons, 78 electrons

Because it has more protons than electrons, this atom has a positive charge and can be classified as a cation.

A spoonful of sugar is added to a hot cup of tea. All the sugar dissolves. How can the resulting solution be described?

Unsaturated and homogeneous

In the following single-replacement reaction, __________ replaces __________.

Cl2+2NaI -> 2NaCl+I2

Chlorine, Iodine

_________ is dependent not only on the temperature, but also on the amount of substance available.

evaporation

During which of the following phase changes will the cohesion between the particles in a substance decrease?

vaporization

In which state of matter are the intermolecular forces between particles in a substance the strongest?

solid

Mendel discovered the pattern associated with _______ after developing a series of rules in genetics.

heredity

The sequence of amino acids in a gene determines.

primary structure of a protein

Which is true regarding the Urinary system? (Select all that apply.)

Kidney helps regulate water balance.

Regulates levels of electrolytes such as sodium and potassium.

Eliminates metabolic waste.

During the aging process, not all hormone levels decrease; some actually increase. Which of the following is a hormone that may increase as a person ages?

luteinizing hormone

What phase is the cell cycle part of?

Interphase

In which state of matter do the particles of iron have the lowest amount of cohesion?

Gaseous iron particles have the lowest amount of cohesion

A person is diagnosed as having acidosis, a condition in which the blood pH is below 7.45. What does the doctor most likely conclude?

Too much carbon dioxide is found in the blood

An atom has 28 protons, 32 neutrons, and 28 electrons. What is the name of this isotope?

Nickel-60

Protons+neurons

The physical appearance or _______of an organism is determined by a set of alleles.

Phenotype

Arrange the path of food through the digestive system.

Oral Cavity

Pharynx

Esophagus

Pyloric Sphincter

Small Intestine

Large Intestine

Colon