Exam (elaborations)
ATI TEAS Practice Test A Questions and Answers (Science and English)
- Course
- Institution
ATI TEAS Practice Test A Questions and Answers (Science and English)
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
ATI TEAS Practice Test A Questionsand Answers (Science and English)
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.
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
C. Mitochondrion
D. Nucleolus - -B. Lysosome
, Lysosomes are specialized vacuoles containing digestive enzymes.
-Which of the following are sesamoid bones?
A. Phalanges
B. Patellae
C. Scapulae
D. Metatarsals - -B. Patellae
Patellae are sesamoid bones, which develop in response to strain. Patellae
are also considered short bones.
-Which of the following chemical compounds prevents the lungs from
collapsing?
A. Mucus
B. Surfactant
C. Enzymes
D. Buffers - -B. Surfactant
Surfactants are lipopolysaccharides that have a hydrophobic and hydrophilic
layer. They keep the lungs inflated.
-The use of an electron would most benefit the study of
A. the structure of atoms.
B. the structure of cellular organelles.
C. the structure of skeletal joints.
D. chemical bones in molecules. - -B. the structure of cellular organelles
Electron microscopy has significantly improved the ability to see and
understand the workings of these organelles because electron wavelengths
are short enough to resolve the structure of organelles, which are around
100x larger than the wavelengths of an electron.
-Which of the following arteries directly supplies oxygenated blood to the
reproductive system?
A. Common carotid artery
B. Gonadal artery
C. Femoral artery
D. Subclavian artery - -B. Gonadal artery
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now