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List two organs contained in the abdominal cavity. - Correct
Answers ✅The abdominal cavity contains the stomach,
intestines, spleen and liver
True or False?
a. Cellular respiration occurs in the mitochondria. (T or F)
b. The purpose of cellular respiration is to produce ATP. (T or
F)
c. Integral proteins are only found on the inner surface of a
cell membrane. (T or F)
d. Endocytosis is the process that occurs to eject
biomacromolecules from the cell. (T or F)
e. Pinocytosis uses a signaling molecule from another cell,
binding to the cell membrane to bring about changes within
the cell proteins. (T or F) - Correct Answers ✅a. True
b. True
c. False
d. False
e. False
You are observing two cells under the microscope. They are
the same type of eukaryotic cell but one appears much
larger. Based on appearance alone, which one would you
expect to be carrying out respiration at a more active rate,
the larger or smaller cell? Explain why. - Correct Answers
,Portage Learning A&P I Final Exam
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✅I believe it is the smaller cell that will breathe at a more
active rate because in order for respiration to occur efficiently
and more actively the surface area to volume ratio is very
critical; also, if the larger surface area is present then the
diffusion of gases occur at a higher rate; so, larger cells will
have a smaller surface to volume ratio and diffusion that will
occur at a slower rate creating a less active respiration; and,
on the other hand smaller cells will have a larger surface area
to volume ratio and an improved diffusion rate, so the higher
rate and more active respiration.
The smaller cell. Cells need to remain relatively small
because as a cell expands the amount of surface area
relative to the volume of the cell decreases. The smaller cell
is more active because relative to its volume, its surface area
is larger than a bigger cell. With a larger surface area
(relative to its volume) this allows the metabolic processes to
occur faster.
Note: Essay answers must clearly be in your own words.
Explain what happens to the epiglottis during swallowing.
Why? - Correct Answers ✅During swallowing the epiglottis
moves inferiorly to close off and prevent aspiration by
covering the trachea and creating a passage for liquid, food,
or bolus into the esophagus; and, preventing these things
from entering into the lungs.
,Portage Learning A&P I Final Exam
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Air and food pass in which one of the following areas: -
Correct Answers ✅Oropharynx
Label the following five items from the diagram:
Label B- ___________
Label D- __________
Label E- __________
Label F- __________
Label G- __________ - Correct Answers ✅B - Oral Cavity
D - Epiglottis
E - Glottis
F - Trachea
G - Esophagus
From widest to narrowest, the branches of the bronchial tree
are: - Correct Answers ✅Primary bronchi, secondary
bronchi, tertiary bronchi, bronchioles
Explain why someone who has hypergastrinemia (excessive
secretion of gastrin) might develop gastric/stomach ulcers. -
Correct Answers ✅Hypergastrinemia leads to excess
secretion of the gastrin hormone, which induces excess
secretion of hydrochloric acid in the stomach; and, the excess
, Portage Learning A&P I Final Exam
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acid then acts as a protective mucousa layer causing
disruption that can lead to those ulcers.
Gastrin stimulates the secretions of pepsinogens and
hydrochloric acid. Excess amounts would lead to erosion of
the stomach lining.
Look carefully at the diagram below. Label the following 5
organs of the digestive system.
To receive credit for the intestines you must label the specific
region.
3: ___________
4: ___________
7: ___________
9: ___________
10: ___________ - Correct Answers ✅3. Stomach
4. Gallbladder
7. Jejunum
9. Appendix
10. Rectum
Note: Essay answers must clearly be in your own words.
Answer the following essay question: