ATI TEAS 7: Science ACTUAL
QUESTIONS AND CORRECT ANSWERS
What are the three types of salivary glands and where are they located in the
mouth? - CORRECT ANSWERS - Parotid, sublingual, and
submandibular glands located in the roof of the mouth, cheeks, and under the
jawbone, respectively.
Which of the following substances is excreted by the kidneys to regulate blood
pressure? - CORRECT ANSWERS - Renin
What is the chemical formula for water? - CORRECT ANSWERS - H20
Which of the following units is used to indicate length? - CORRECT
ANSWERS M
researcher collects data on the number of cars passing through a busy
intersection at different times of the day for a month. This data would be most
useful to analyze which of the following: - CORRECT ANSWERS -
traffic patterns during rush hour
What is the largest organ in the human body by surface area? - CORRECT
ANSWERS - Skin
Which of the following describes the function of ligaments? - CORRECT
ANSWERS - Ligaments attach two bones
What is the difference between innate and adaptive immunity? - CORRECT
ANSWERS - Innate immunity is present at birth while adaptive
immunity is acquired after exposure to pathogens.
,Which of the following is responsible for carrying amino acids to ribosomes
during protein synthesis? - CORRECT ANSWERS - tRNA
What are the steps involved in the scientific method? - CORRECT ANSWERS
- Observation, hypothesis, prediction, experimentation, analysis,
conclusion.
What is the difference between a solid and a liquid? - CORRECT ANSWERS
- Solids have a definite shape and volume while liquids have a definite
volume but no fixed shape.
Which part of the respiratory system is responsible for regulating breathing rate
and depth? - CORRECT ANSWERS - Diaphragm
What is the difference between a monosaccharide and a disaccharide? -
CORRECT ANSWERS - Monosaccharides are simple sugars that cannot
be further broken down into simpler sugars while disaccharides are composed
of two simple sugars.
Which of the following is the process by which DNA is copied into RNA? -
CORRECT ANSWERS - Transcription
What is the role of calcium in muscle contraction? - CORRECT ANSWERS
- Calcium is released from the sarcoplasmic reticulum to initiate the
sliding of actin and myosin filaments.
What is the name of the dome-shaped muscle that plays a key role in breathing?
- CORRECT ANSWERS - Diaphragm
,What is the role of the epididymis in sperm maturation? - CORRECT
ANSWERS - The epididymis stores and protects sperm cells until
ejaculation.
1. Which of the following is a function of the respiratory system? - CORRECT
ANSWERS - Exchange of gases between the body and the environment
1. What is the difference between isotonic and isometric muscle contractions? -
CORRECT ANSWERS - Isotonic contractions produce movement while
isometric contractions produce no movement.
Which of the following is a characteristic of innate immunity - CORRECT
ANSWERS - It provides immediate, non-specific protection.
1. Which of the following is NOT one of the four primary tissue types found in
the human body? - CORRECT ANSWERS - Exocrine glandular
1. Which of the following is a type of genetic mutation that involves the
insertion or deletion of one or more nucleotides in a DNA sequence? -
CORRECT ANSWERS - Frameshift mutation
1. Which of the following describes the process of osmosis? - CORRECT
ANSWERS - Movement of water molecules from an area of high
concentration to an area of low concentration through a selectively permeable
membrane.
1. Which of the following is a chemical property of a substance? - CORRECT
ANSWERS - Reactivity with acid
1. Which statement best defines the difference between a physical change and a
chemical change? - CORRECT ANSWERS - A physical change involves
, the rearrangement of atoms and molecules while a chemical change involves the
formation of new substances with different chemical properties.
1. During embryonic development, which of the following germ layers forms
the nervous system? - CORRECT ANSWERS - Ectoderm
1. What is the primary pigment responsible for photosynthesis in plants? -
CORRECT ANSWERS - Chlorophyll a
1. Which of the following is an example of an exothermic reaction? -
CORRECT ANSWERS - Burning wood
1. Which of the following statements is true regarding vaccines? - CORRECT
ANSWERS - Vaccines work by exposing the individual to a weakened or
inactivated form of the pathogen
1. What is the function of ribosomes in a cell? - CORRECT ANSWERS -
To synthesize proteins in the cell
1. Which of the following is an example of a double-blind study? - CORRECT
ANSWERS - Both participants and researchers do not know which group
participants are assigned to
1. What is the name of the hormone that regulates blood sugar levels in the
human body? - CORRECT ANSWERS - Insulin
1. What is the primary physiological function of erythrocytes in the human
circulatory system? - CORRECT ANSWERS - Transportation of oxygen
to body tissues
QUESTIONS AND CORRECT ANSWERS
What are the three types of salivary glands and where are they located in the
mouth? - CORRECT ANSWERS - Parotid, sublingual, and
submandibular glands located in the roof of the mouth, cheeks, and under the
jawbone, respectively.
Which of the following substances is excreted by the kidneys to regulate blood
pressure? - CORRECT ANSWERS - Renin
What is the chemical formula for water? - CORRECT ANSWERS - H20
Which of the following units is used to indicate length? - CORRECT
ANSWERS M
researcher collects data on the number of cars passing through a busy
intersection at different times of the day for a month. This data would be most
useful to analyze which of the following: - CORRECT ANSWERS -
traffic patterns during rush hour
What is the largest organ in the human body by surface area? - CORRECT
ANSWERS - Skin
Which of the following describes the function of ligaments? - CORRECT
ANSWERS - Ligaments attach two bones
What is the difference between innate and adaptive immunity? - CORRECT
ANSWERS - Innate immunity is present at birth while adaptive
immunity is acquired after exposure to pathogens.
,Which of the following is responsible for carrying amino acids to ribosomes
during protein synthesis? - CORRECT ANSWERS - tRNA
What are the steps involved in the scientific method? - CORRECT ANSWERS
- Observation, hypothesis, prediction, experimentation, analysis,
conclusion.
What is the difference between a solid and a liquid? - CORRECT ANSWERS
- Solids have a definite shape and volume while liquids have a definite
volume but no fixed shape.
Which part of the respiratory system is responsible for regulating breathing rate
and depth? - CORRECT ANSWERS - Diaphragm
What is the difference between a monosaccharide and a disaccharide? -
CORRECT ANSWERS - Monosaccharides are simple sugars that cannot
be further broken down into simpler sugars while disaccharides are composed
of two simple sugars.
Which of the following is the process by which DNA is copied into RNA? -
CORRECT ANSWERS - Transcription
What is the role of calcium in muscle contraction? - CORRECT ANSWERS
- Calcium is released from the sarcoplasmic reticulum to initiate the
sliding of actin and myosin filaments.
What is the name of the dome-shaped muscle that plays a key role in breathing?
- CORRECT ANSWERS - Diaphragm
,What is the role of the epididymis in sperm maturation? - CORRECT
ANSWERS - The epididymis stores and protects sperm cells until
ejaculation.
1. Which of the following is a function of the respiratory system? - CORRECT
ANSWERS - Exchange of gases between the body and the environment
1. What is the difference between isotonic and isometric muscle contractions? -
CORRECT ANSWERS - Isotonic contractions produce movement while
isometric contractions produce no movement.
Which of the following is a characteristic of innate immunity - CORRECT
ANSWERS - It provides immediate, non-specific protection.
1. Which of the following is NOT one of the four primary tissue types found in
the human body? - CORRECT ANSWERS - Exocrine glandular
1. Which of the following is a type of genetic mutation that involves the
insertion or deletion of one or more nucleotides in a DNA sequence? -
CORRECT ANSWERS - Frameshift mutation
1. Which of the following describes the process of osmosis? - CORRECT
ANSWERS - Movement of water molecules from an area of high
concentration to an area of low concentration through a selectively permeable
membrane.
1. Which of the following is a chemical property of a substance? - CORRECT
ANSWERS - Reactivity with acid
1. Which statement best defines the difference between a physical change and a
chemical change? - CORRECT ANSWERS - A physical change involves
, the rearrangement of atoms and molecules while a chemical change involves the
formation of new substances with different chemical properties.
1. During embryonic development, which of the following germ layers forms
the nervous system? - CORRECT ANSWERS - Ectoderm
1. What is the primary pigment responsible for photosynthesis in plants? -
CORRECT ANSWERS - Chlorophyll a
1. Which of the following is an example of an exothermic reaction? -
CORRECT ANSWERS - Burning wood
1. Which of the following statements is true regarding vaccines? - CORRECT
ANSWERS - Vaccines work by exposing the individual to a weakened or
inactivated form of the pathogen
1. What is the function of ribosomes in a cell? - CORRECT ANSWERS -
To synthesize proteins in the cell
1. Which of the following is an example of a double-blind study? - CORRECT
ANSWERS - Both participants and researchers do not know which group
participants are assigned to
1. What is the name of the hormone that regulates blood sugar levels in the
human body? - CORRECT ANSWERS - Insulin
1. What is the primary physiological function of erythrocytes in the human
circulatory system? - CORRECT ANSWERS - Transportation of oxygen
to body tissues
