ATI TEAS 7: Science Questions And
Answers With Verified Solutions 100%
Correct!!!
Which of the following uses skeletal muscles and voluntary nerve signals?
A) Sweating
B) Texting
C) Breathing
D) Digesting
ANSWER✔✔ B) Texting
Which of the following ejects waste created during digestion?
A) Small intestine
B) Large intestine
C) Esophagus
D) Rectum
ANSWER✔✔ D) Rectum
Which structure alters the volume of the chest cavity?
A) Trachea
B) Lungs
C) Diaphragm
D) Alveoli
ANSWER✔✔ C) Diaphragm
Which of the following structures is the smallest?
A) Gene
B) Nucleotide
C) DNA
D) Chromosome
ANSWER✔✔ B) Nucleotide
Which of the following statements correctly explains the sagittal
anatomical plane?
A) It divides the body into left and right sides
B) It divides the body into unequal left and right sides
C) It divides the body's into anterior and posterior sections
D) It divides the body into upper and lower sections
ANSWER✔✔ A) It divides the body into left and right sides
A 6kg box is placed on a surface. Two students investigate how different
types of forces can affect its motion. The text box shows the steps for the
investigation.
, A) 1,6,5,4,3,2
B) 6,3,2,1,5,4
C) 2,6,1,3,4,5
D) 4,6,2,5,3,1
ANSWER✔✔ C) 2,6,1,3,4,5
Which of the following structures is directly stimulated by messages from
the hypothalamus?
A) Spinal cord
B) Pancreas
C) Gonads
D) Pituitary gland
ANSWER✔✔ D) Pituitary gland
D
Which of the following explains the relationship between chromosomes and
genes?
A) Several chromosomes makeup one strand of a gene.
B) Many genes can be found on a single chromosome. ✔✔
C) Chromosomes and genes are similar in length, but one expresses a
protein and one does not.
D) Chromosomes are the outer membrane in charge of protecting all the
genes.
The disassociation of hydrogen molecules into hydrogen atoms is a reversible
reaction. The equilibrium constant of the reaction is 10^(-36) at 25 and
6x10^(-5) at 5,000°C. Which of the following statements is true about
equilibrium at two temperatures?
A) Most of the hydrogen gas is undissociated at 5,000°C, and the
equilibrium lies towards the reactants.
B) Most of the hydrogen gas is dissociated at 25°C, and the equilibrium lies
towards the products.
C) Most of the hydrogen gas is dissociated at 5,000°C, and the equilibrium
lies towards the products. ✔✔
D) Most of the hydrogen gas is undissociated at 25°C, and the equilibrium
lies towards the products.
,Which of the following options distinguishes the active and passive transport
mechanisms?
A) Active transport: Lower to Higher concentration; Passive transport:
Higher to lower concentration
B) Active transport: Lower to Higher concentration; Passive transport:
Higher to lower concentration ✔✔
C) Active transport: Higher to Lower concentration; Passive transport:
Higher to lower concentration
D) Active transport: Higher to lower concentration; Passive transport: Lower
to Higher concentration
Which of the following organs absorbs water and salt from digested food?
A) Mouth
B) Stomach
C) Liver
D) Large intestine ✔✔
Lung cancer is found more often in people who have a history of smoking.
Scientists believe this is because lung cells are damaged over time. Which of
the following pieces of evidence supports the explanation?
A) A group of non-smokers are studied and have the same rates of lung
cancer as do those with smoking backgrounds
B) Studies have found that smoking can cause other life-threatening
conditions, such as chronic bronchitis and emphysema
C) Chemicals found in cigarettes have shown to damage parts of cells that
can lead to cancer ✔✔
D) 87% of lung cancer deaths are due to smoking
Which of the following is the enzyme in tears that destroys microorganisms?
A) Granzyme
B) Lysozyme ✔✔
C) Pyrogen
D) Cytokine
Which of the following structures sends out electrical impulses signaling the
muscle fibers of the atria to contract?
A) Sinoatrial node ✔✔
B) Arteries
C) Atrioventricular node
, D) Veins
Which of the following statements can be concluded about the standard
anatomical position?
A) It gives a standard point of reference for describing different functions of
the human body
B) It gives a standard point of reference for describing the number of
muscles in the human body
C) It gives a standard point of reference for describing different
measurements of the human body
D) It gives a standard point of reference for describing anatomical positions
and terms of the human body ✔✔
Which of the following describes the function of glucagon?
A) Stimulates fullness
B) Stimulates the uptake of glucose by cells
C) Stimulates the breakdown of glycogen ✔✔
D) Digests protein
Which of the following describes a neutron?
A) Positively charged subatomic particle
B) Negatively charged subatomic particle
C) Neutral subatomic particle ✔✔
D) Negatively charged atom
Which of the following structures is a valve present between the stomach and
the small intestine?
A) Antrum
B) Cardiac sphincter
C) GE junction
D) Pyloric sphincter ✔✔
Which of the following statements is correct about a neutralization reaction?
A) It is a reaction between a metal and a base to form salt and water
B) It is a reaction between an acid and a base to form salt and water ✔✔
C) It is a reaction between an acid and a base to form salt and hydrogen
D) It is a reaction between a metal and an acid to form salt and hydrogen
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