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ATI TEAS Practice Test A Exam Questions and Answers 100% Solved
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ATI TEAS Practice Test A Exam Questions and Answers 100% Solved 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 - B. Keratinocytes Keratinocytes contain the protein keratin....

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  • October 10, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ATI TEAS 7
  • ATI TEAS 7

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©JOSHCLAY 2024/2025. YEAR PUBLISHED, 2024.
ATI TEAS Practice Test A Exam

Questions and Answers 100% Solved


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 - ✔✔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.

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED, 2024.
B. Blood vessels supplying skeletal muscles constrict.

C. Blood vessels supplying the intestines dilate.

D. Liver cells release glucose into the blood stream. - ✔✔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.

Kidneys remove which of the following from the blood?



A. Platelets

B. Salts

C. Oxygen

D. Fat - ✔✔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

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