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Respiratory and Digestive System Exam 4| Full Set Correct Answers| Verified

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Respiratory and Digestive System Exam 4| Full Set Correct Answers| Verified

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BIO 2452
Course
BIO 2452

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Respiratory and Digestive System Exam
4| Full Set Correct Answers| Verified


What is emulsification? - Ans--the physical breakdown of fats using bile
salts

How many oxygen atoms can hemoglobin carry? - Ans--four

Oxygen and carbon dioxide are exchanged in the lungs and through all cell
membranes by ____________. - Ans--diffusion

Which of the following is NOT a substance produced by the gastric glands of
the stomach? - Ans--brush border enzymes

What does TB stand for? - Ans--Tuberculosis

What does HCO3- represent? - Ans--Bicarbonate ion

Which process involves the exchange of gases between the blood and the
tissue cells? - Ans--internal respiration

Which of the following is NOT used in calculating vital capacity? - Ans--
residual volume

What does VRG stand for? - Ans--ventral respiratory group

During exhalation, which of the following is true? - Ans--Intrapulmonary
pressure increases.

Which of the following is NOT a substance produced by the gastric glands of
the stomach? - Ans--brush border enzymes

What does CF stand for? - Ans--Cystic fibrosis

,Which process involves changing the intrapulmonary pressure by changing
the volume of the lung cavity by contraction and relaxation of the diaphragm
and intercostal muscles? - Ans--pulmonary ventilation

What happens to the density of a lipoprotein as the fat content increases? -
Ans--It decreases.

How many lobes does the left lung have? - Ans--2

What does SIDS stand for? - Ans--Sudden Infant Death Syndrome

Which of the following is the MAIN absorptive site (site of most absorption)?
- Ans--small intestine

Which of the following produces more ATP? - Ans--aerobic respiration

Nitroglycerine is absorbed into the blood in which of the following areas? -
Ans--mouth

Which of the following is a major means of cholesterol excretion? - Ans--bile

Which folds are the true vocal cords? - Ans--the lower vocal folds

Which of the following could affect the length of time that food stays in the GI
tract? - Ans--all of these will affect the length of time

What does HbO2 stand for? - Ans--oxyhemoglobin

What does Hb stand for? - Ans--Hemoglobin

Which of the following covers the surfaces of the digestive organs? - Ans--
visceral peritoneum

Which of the following is the amount of the body's cholesterol that is
acquired from the diet? - Ans--15%

Which of the following is the site of most digestion? - Ans--small intestine

, Organic nutrients that are required in small amounts and are used as
enzymes are ______________. - Ans--vitamins

Which of the following is NOT used in calculating total lung capacity? - Ans--
dead air volume

Which of the following is a primary source of saturated fats? - Ans--red
meats

What controls the basic rhythm of breathing? - Ans--pontine respiratory
area

Before the blood carrying the products of protein digestion reaches the
heart, it first passes through capillary networks of which of the following? -
Ans--liver

Most of the oxygen is carried in the blood by ____________. - Ans--
combines with the heme of red blood cells

What happens to the carbon dioxide that is produced by cells duein cellular
respiration? - Ans--It combines with water to form carbonic acid.

Which primary bronchus is short, wide, and is a common location for inhaled
objects to lodge? - Ans--right

Which of the following is NOT a function of fats? - Ans--All of these are
functions of fats.

Proteins that catalyze or speed up chemical reactions are called ____. -
Ans--enzymes

Which of the following are folds of serous membranes that weave between
the digestive organs? - Ans--mesenteries

If a person's breathing rate and depth are excessive, which of the following
would help? - Ans--They should breathe into a paper bag.

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Institution
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Course
BIO 2452

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