ATI TEAS Practice Test A Questions and
Answers latest update 2024
Which of the following cell types provides a waterproofing
function for the outer layers of skin?
A. Melanocytes
B. Keratinocytes
C. Merkel cells
D. Langerhans cells - correct answers✅✅B. Keratinocytes
Keratinocytes contain the protein keratin. They are produced in
the epidermis and migrate upwards. The tight junctions between
cells prevent water entry. They eventually form a layer of dead
cells on the skin surface, which produces a waterproofing effect.
A person is suddenly frightened. Which of the following reactions
occurs next?
A. Liver cells absorb glucose from the blood stream.
B. Blood vessels supplying skeletal muscles constrict.
C. Blood vessels supplying the intestines dilate.
D. Liver cells release glucose into the blood stream. - correct
answers✅✅D. Liver cells release glucose into the blood stream.
Epinephrine causes liver cells to break down glycogen, which
causes an increase in sugar in the blood stream.
, ATI TEAS Practice Test A Questions and
Answers latest update 2024
Kidneys remove which of the following from the blood?
A. Platelets
B. Salts
C. Oxygen
D. Fat - correct answers✅✅B. Salts
Salts are removed by the kidneys.
Which of the following structures within a human cell is
responsible for recycling the materials no longer functional or
needed within the cell?
A. Ribosome
B. Lysosome
C. Mitochondrion
D. Nucleolus - correct answers✅✅B. Lysosome
Lysosomes are specialized vacuoles containing digestive
enzymes.
Which of the following are sesamoid bones?
A. Phalanges
Answers latest update 2024
Which of the following cell types provides a waterproofing
function for the outer layers of skin?
A. Melanocytes
B. Keratinocytes
C. Merkel cells
D. Langerhans cells - correct answers✅✅B. Keratinocytes
Keratinocytes contain the protein keratin. They are produced in
the epidermis and migrate upwards. The tight junctions between
cells prevent water entry. They eventually form a layer of dead
cells on the skin surface, which produces a waterproofing effect.
A person is suddenly frightened. Which of the following reactions
occurs next?
A. Liver cells absorb glucose from the blood stream.
B. Blood vessels supplying skeletal muscles constrict.
C. Blood vessels supplying the intestines dilate.
D. Liver cells release glucose into the blood stream. - correct
answers✅✅D. Liver cells release glucose into the blood stream.
Epinephrine causes liver cells to break down glycogen, which
causes an increase in sugar in the blood stream.
, ATI TEAS Practice Test A Questions and
Answers latest update 2024
Kidneys remove which of the following from the blood?
A. Platelets
B. Salts
C. Oxygen
D. Fat - correct answers✅✅B. Salts
Salts are removed by the kidneys.
Which of the following structures within a human cell is
responsible for recycling the materials no longer functional or
needed within the cell?
A. Ribosome
B. Lysosome
C. Mitochondrion
D. Nucleolus - correct answers✅✅B. Lysosome
Lysosomes are specialized vacuoles containing digestive
enzymes.
Which of the following are sesamoid bones?
A. Phalanges
