ATI TEAS Practice Test A Questions
Study online at https://quizlet.com/_8kppoo
1. Which of the following cell types provides a water- B. Keratinocytes
proofing function for the outer layers of skin?
Keratinocytes contain the pro-
A. Melanocytes tein keratin. They are pro-
B. Keratinocytes duced in the epidermis and
C. Merkel cells migrate upwards. The tight
D. Langerhans cells junctions between cells pre-
vent water entry. They eventu-
ally form a layer of dead cells
on the skin surface, which
produces a waterproofing ef-
fect.
2. A person is suddenly frightened. Which of the follow- D. Liver cells release glucose
ing reactions occurs next? into the blood stream.
A. Liver cells absorb glucose from the blood stream. Epinephrine causes liver cells
B. Blood vessels supplying skeletal muscles con- to break down glycogen,
strict. which causes an increase in
C. Blood vessels supplying the intestines dilate. sugar in the blood stream.
D. Liver cells release glucose into the blood stream.
3. Kidneys remove which of the following from the B. Salts
blood?
Salts are removed by the kid-
A. Platelets neys.
B. Salts
C. Oxygen
D. Fat
4. Which of the following structures within a human B. Lysosome
cell is responsible for recycling the materials no
longer functional or needed within the cell? Lysosomes are specialized
1/6
, ATI TEAS Practice Test A Questions
Study online at https://quizlet.com/_8kppoo
vacuoles containing digestive
A. Ribosome enzymes.
B. Lysosome
C. Mitochondrion
D. Nucleolus
5. Which of the following are sesamoid bones? B. Patellae
A. Phalanges Patellae are sesamoid bones,
B. Patellae which develop in response to
C. Scapulae strain. Patellae are also con-
D. Metatarsals sidered short bones.
6. Which of the following chemical compounds pre- B. Surfactant
vents the lungs from collapsing?
Surfactants are lipopolysac-
A. Mucus charides that have a hy-
B. Surfactant drophobic and hydrophilic
C. Enzymes layer. They keep the lungs in-
D. Buffers flated.
7. The use of an electron would most benefit the study B. the structure of cellular or-
of ganelles
A. the structure of atoms. Electron microscopy has sig-
B. the structure of cellular organelles. nificantly improved the abili-
C. the structure of skeletal joints. ty to see and understand the
D. chemical bones in molecules. workings of these organelles
because electron wavelengths
are short enough to resolve
the structure of organelles,
which are around 100x larg-
2/6
Study online at https://quizlet.com/_8kppoo
1. Which of the following cell types provides a water- B. Keratinocytes
proofing function for the outer layers of skin?
Keratinocytes contain the pro-
A. Melanocytes tein keratin. They are pro-
B. Keratinocytes duced in the epidermis and
C. Merkel cells migrate upwards. The tight
D. Langerhans cells junctions between cells pre-
vent water entry. They eventu-
ally form a layer of dead cells
on the skin surface, which
produces a waterproofing ef-
fect.
2. A person is suddenly frightened. Which of the follow- D. Liver cells release glucose
ing reactions occurs next? into the blood stream.
A. Liver cells absorb glucose from the blood stream. Epinephrine causes liver cells
B. Blood vessels supplying skeletal muscles con- to break down glycogen,
strict. which causes an increase in
C. Blood vessels supplying the intestines dilate. sugar in the blood stream.
D. Liver cells release glucose into the blood stream.
3. Kidneys remove which of the following from the B. Salts
blood?
Salts are removed by the kid-
A. Platelets neys.
B. Salts
C. Oxygen
D. Fat
4. Which of the following structures within a human B. Lysosome
cell is responsible for recycling the materials no
longer functional or needed within the cell? Lysosomes are specialized
1/6
, ATI TEAS Practice Test A Questions
Study online at https://quizlet.com/_8kppoo
vacuoles containing digestive
A. Ribosome enzymes.
B. Lysosome
C. Mitochondrion
D. Nucleolus
5. Which of the following are sesamoid bones? B. Patellae
A. Phalanges Patellae are sesamoid bones,
B. Patellae which develop in response to
C. Scapulae strain. Patellae are also con-
D. Metatarsals sidered short bones.
6. Which of the following chemical compounds pre- B. Surfactant
vents the lungs from collapsing?
Surfactants are lipopolysac-
A. Mucus charides that have a hy-
B. Surfactant drophobic and hydrophilic
C. Enzymes layer. They keep the lungs in-
D. Buffers flated.
7. The use of an electron would most benefit the study B. the structure of cellular or-
of ganelles
A. the structure of atoms. Electron microscopy has sig-
B. the structure of cellular organelles. nificantly improved the abili-
C. the structure of skeletal joints. ty to see and understand the
D. chemical bones in molecules. workings of these organelles
because electron wavelengths
are short enough to resolve
the structure of organelles,
which are around 100x larg-
2/6
