ATI TEAS 7 SCIENCE UNIT EXAM
QUESTIONS WITH CORRECT ANSWERS
Which of the following terms is used to describe the amount of air in a normal inhalation
or exhalation?
a. perfusion
b. tidal volume
c. ventilation
d. residual volume - Answer-b. tidal volume
tidal volume is the amount of air in a normal inhalation and exhalation
Which of the following blood vessels carries deoxygenated blood from the heart to the
lungs?
a. pulmonary vein
b. pulmonary artery
c. aorta
d. vena cava - Answer-b pulmonary artery
the pulmonary artery is part of pulmonary circulation
the the pulmonary artery carries deoxygenated blood from the right ventricle, divides to
the left and right pulmonary arteries, and delivers deoxygenated blood to the left and
right lung
In which of the following actions is the autonomic nervous system engaged?
a. lifting weights
b. holding your breath
c. walking
d. digestion - Answer-d. digestion
digestion is an involuntary action that the autonomic nervous system controls
During inhalation, where would you expect to find a higher concentration of oxygen?
a. in the capillaries
b. in the alveolar air space
c. in the pulmonary artery
d. In the heart - Answer-b. in the alveolar air space
during inhalation, the lungs fill with oxygenated air from the environment. tHerefore the
alveolar air space will have the higher concentration of oxygen
, Where does blood flow next after being oxygenated in the lungs?
a. pulmonary artery
b. pulmonary vein
c. inferior vena cava
d. aorta - Answer-b. pulmonary veins
pulmonary veins carries blood back from the lungs, because the blood recently visited
the lungs, it is now oxygenated
Which of the following is the name of the structure that releases an enzyme that breaks
down starch in the stomach?
a. salivary gland
b, pancreas
c. liver
d. gallbladder - Answer-a salivary gland
the salivary glands secrete amylase, an enzyme that breaks down starch
Which type of tissue would you find in the heart?
a. skeletal muscles
b. non-striated muscle
c. smooth muscles
d. cardiac muscles - Answer-d. cardiac muscles
the term "cardiac" refers to the heart.
The heart is made up muscle and connective tissue.
The muscle found in the heart is known as "cardiac muscle" and contracts involuntary.
When it contracts, it pushes blood throughout the body
According to the graph, which of the following identifies when fertilization is most likely?
a. between day 0 to 7
b. after luteinizing hormone (LH) levels peak and begin to decline
c. before ovulation
d. when estrogen levels are hightest - Answer-b. after luteinizing hormone (LH) levels
peak to begin to decline
luteinizing hormone (LH) levels peak right before ovulation, or the release of a mature
egg. After ovulation, LH levels begin to decline. Because ovulation happens an egg will
be in the fallopian tubes and able to be fertilized.
What is the name for the hormone responsible for male secondary sex characteristics?
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 biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.