A&P II Quiz 3

Question 1 of 50

1

This structure prevents food from entering the airway

Select one of the following:

vestibular folds
uvula
laryngopharynx
epiglottis

Explanation

Question 2 of 50

1

Surfactant decreases the _________________ in the alveoli

Select one of the following:

surface tension
pressure
compliance
volume

Explanation

Question 3 of 50

1

The amount of air that can be forcefully inhaled after a normal tidal volume inspiration is termed the __________________.

Select one of the following:

vital capacity
expiratory reserve volum
inspiratory reserve volume
inspiratory capacity

Explanation

Question 4 of 50

1

Which of the following statements is FALSE in regard to inspiration?

Select one of the following:

the rib cage is elevated
the diaphragm is relaxed
volume in the thoracic cavity has increased
intrapulmonary pressure has decreased

Explanation

Question 5 of 50

1

Which of the following is responsible for keeping the lungs from collapsing?

Select one of the following:

surfactant
intrapulmonary pressure
transpulmonary pressure
intrapleural pressure

Explanation

Question 6 of 50

1

The chloride shift refers to _______________________.

Select one of the following:

chloride ions binding to hemoglobin
chloride ions moving into our out of the red blood cells
chloride ions combining with bicarbonate ions
chloride ions being released from hemoglobin

Explanation

Question 7 of 50

1

When holding our breath for a long time we get the urge to breathe because of __________.

Select one of the following:

a decrease in N2
a decrease in 02
a increase in C02
an increase in PH

Explanation

Question 8 of 50

1

The majority of carbon dioxide is transported _____________

Select one of the following:

bound to hemoglobin
dissolved in the plasma
as bicarbonate ions
as carbonic acid

Explanation

Question 9 of 50

1

which is not one of the 3 main factors that influence external respiration

Select one of the following:

partial pressure gradients
ventilation perfusion coupling
temperature of the respiratory membrane
gas solubilities

Explanation

Question 10 of 50

1

Bacteria or other particulate debris contained within inspired air are removed or destroyed by __________.

Select one of the following:

mucus
vibrissae
conchae
all of the above

Explanation

Question 11 of 50

1

People who have their adenoids removed to cut down on snoring are having their _________removed

Select one of the following:

nasal septum
choanae
conchae
pharyngeal tonsils

Explanation

Question 12 of 50

1

Loss of lung elasticity and destruction of alveolar walls is termed:

Select one of the following:

asthma
emphysema
chronic bronchitis
dyspnea

Explanation

Question 13 of 50

1

___________________ is the most potent chemical influencing respiration.

Select one of the following:

oxygen
nitrogen
water
carbon dioxide

Explanation

Question 14 of 50

1

_____ is produced by the _ in response to low blood oxygen levels

Select one of the following:

growth hormone; pituitary gland
hematopoietin; bone marrow
erthropoeietin; kidneys
hematopoietin; lungs

Explanation

Question 15 of 50

1

Why is it possible to deliver more oxygen to vigorously working cells without increasing respiration rate or cardiac output?

Select one of the following:

it isn't a small decrese in p02 has very little effect on hemoglobin uploading
Because once one molecule of oxygen is bound to hemoglobin, the other molecules bind much more rapidly.
Because between a pO2 of zero and a pO2 of 40, hemoglobin saturation changes very rapidly and a greater degree of uploading will occur with even small changes in pO2.
Because carbon dioxide released from the vigorously working cells enhances oxygen binding to hemoglobin

Explanation

Question 16 of 50

1

Why is the rate of CO2 exchange roughly equivalent to that of O2 despite its less steep pressure gradient

Select one of the following:

CO2 diffuses much more rapidly out of the cells.
CO2 binds to O2 and moves across the respiratory membrane simultaneously.
CO2 is more soluble in water than is O2
CO2 is actively transported into the alveoli.

Explanation

Question 17 of 50

1

During an asthma attack, bronchioles become severely __. Taking epinephrine cause them to _.

Select one of the following:

constricted; dilated
dilated; constrict
mucus-filled; empty of mucus
both a and c

Explanation

Question 18 of 50

1

The majority of absorption occurs in the _____________.

Select one of the following:

stomach
small intestine
large intestine
mouth

Explanation

Question 19 of 50

1

The majority of _______________ occurs in the mouth, stomach and small intestine.

Select one of the following:

ingestion
chemical digestion
mechanical digestion
absorption

Explanation

Question 20 of 50

1

In terms of gastrointestinal function, the large intestine’s greatest contribution is:

Select one of the following:

exposing the chyme to the rich assortment of pancreas
Absorption of all primary nutrients
absorption of water.
Regulation of gastric motility.

Explanation

Question 21 of 50

1

Cirrhosis of the liver would most severely impact digestion of _____________.

Select one of the following:

carbohydrates
amino acids
proteins
lipids

Explanation

Question 22 of 50

1

_____________ stimulates the gallbladder to contract

Select one of the following:

secretin
CCK
gastrin
fatty chyme

Explanation

Question 23 of 50

1

Why is the small intestine well adapted for nutrient absorption?

Select one of the following:

acid secretions from the stomach are neutralized in the duodenum
cck is released from the duodenum to promote liver and pancreatic secretion
large surface area due to the presence of plicae circulares, villi and microvilli
the small intestine is very long and thin

Explanation

Question 24 of 50

1

Which is true of intestinal juice?

Select one of the following:

2-4 liters are produced daily
pH range is 7.4 to 7.8
it is hypotonic to blood plasma
it is composed mostly of bicarbonate ions

Explanation

Question 25 of 50

1

The __________________ cells are responsible for HCl production

Select one of the following:

goblet
mucous
parietal
chief

Explanation

Question 26 of 50

1

Meals high in protein ___________________ gastrin secretion from the gastric glands.

Select one of the following:

increase
decrease
have no effect upon
delay

Explanation

Question 27 of 50

1

When your stomach growls in response to an ad on TV for food, the ___________ phase of gastric secretion is initiated

Select one of the following:

cephalic
gastric
intestinal
gastrin

Explanation

Question 28 of 50

1

Which of the following types of epithelial tissues is most predominant throughout the digestive tract?

Select one of the following:

simple squamous
stratified squamous
simple columnar
simple cuboidal

Explanation

Question 29 of 50

1

Digestion of which of the following might be inhibited if a patient chronically consumes an antacid?

Select one of the following:

lipid
carbohydrate
sugar
protein

Explanation

Question 30 of 50

1

A patient with a low RBC count receives vitamin b12 injections every two weeks. Why?

Select one of the following:

this patient is training for a triathalon
this patient is anemic and has low iron
parietal cells in this patient's stomach have ceased producing intrinsic factor
this patient's parietal cells have stopped secreting hcl

Explanation

Question 31 of 50

1

Choose the answer that lists the four layers of the wall of the alimentary canal in the appropriate order from innermost to outermost

Select one of the following:

mucosa, submucosa, musularitis externa, serosa
submucosa, mucosa, serosa, muscularis externa
serosa mucosa muscularis externa, submucosa
muscularis externa, submucosa serosa mucosa

Explanation

Question 32 of 50

1

amylase allows us to digest

Select one of the following:

carbohydrates
proteins
fats
all of the above

Explanation

Question 33 of 50

1

Which of the following is NOT an enzyme produced by the pancreas?

Select one of the following:

amylase
lipase
nuclease
glucogonase

Explanation

Question 34 of 50

1

The gastric cells that secrete pepsinogen are the _________________.

Select one of the following:

mucous neck cells
parietal cells
chief cells
enteroendocrine cells

Explanation

Question 35 of 50

1

What is a good source of unsaturated fats?

Select one of the following:

nuts
meats
margarine
dairy

Explanation

Question 36 of 50

1

It is possible for vegetarians to obtain complete proteins by combining _ and ________.

Select one of the following:

bread; vitamins
fats; pasta
legumes; cereal grains
milk; sugar

Explanation

Question 37 of 50

1

The major metabolic function for most vitamins is that they assist enzymes by serving as _____________.

Select one of the following:

Sources of ATP
active sites
substrates
coenzymes

Explanation

Question 38 of 50

1

The basal metabolic rate can most effectively be defined as the _____________.

Select one of the following:

lowest point of energy used by the body
amount of energy needed to maintain life
maximal energy used by the body
energy required to digest a meal

Explanation

Question 39 of 50

1

Which of the following structure is responsible for feeding behavior?

Select one of the following:

pituitary
medulla
pons
hypothalamus

Explanation

Question 40 of 50

1

What is the primary objective during the post absorptive state?

Select one of the following:

To collect and remove glucose from the blood and deposit it in cells
to convert fat to protein
to maintain blood glucose at around 70-110 mg/100 ml blood
to elevate blood glucose to the highest possible level to ensure adequate delivery to the brain

Explanation

Question 41 of 50

1

A negative nitrogen balance would be present in which situation?

Select one of the following:

pregnancy
growth
starvation
all of the above

Explanation

Question 42 of 50

1

the nutrient used almost exclusively for ATP production is

Select one of the following:

amino acids
fatty acids
fructose
glucose

Explanation

Question 43 of 50

1

in general metabolic terms, food digestion is a form of

Select one of the following:

metabolism; cellular respiration
anabolism, catabolism
cellular respiration; metabolism
catabolism anabolism

Explanation

Question 44 of 50

1

the liver produces about _________ of blood cholesterol

Select one of the following:

15%
20%
80%
85%

Explanation

Question 45 of 50

1

which of the following is an essential fatty acid

Select one of the following:

triglyceride
linoleic acid
c. leucine
tyrosine

Explanation

Question 46 of 50

1

What is the true function of molecular oxygen acquired by the lungs?

Select one of the following:

oxygen catalyzes the breaking of bonds in the glucose molecules
Oxygen catalyzes the synthesis of ATP
Oxygen serves as the final electron acceptor for the oxidation of food molecules
Oxygen drives energy dependent processes in our cell.

Explanation

Question 47 of 50

1

Which of the following is a lipid that is NOT used for energy?

Select one of the following:

triglyceride
fatty acid
cholesterol
saturated fat

Explanation

Question 48 of 50

1

Which vitamin in extreme excess causes liver damage?

Select one of the following:

biotin
niacin
ascorbic acid
tocopherol

Explanation

Question 49 of 50

1

	Created by Julie Joyce over 6 years ago

Quiz on A&P II Quiz 3 , created by Julie Joyce on 31/03/2018.

A&P II Quiz 3

Question 1 of 50

This structure prevents food from entering the airway

Select one of the following:

Explanation

Question 2 of 50

Surfactant decreases the _________________ in the alveoli

Select one of the following:

Explanation

Question 3 of 50

The amount of air that can be forcefully inhaled after a normal tidal volume inspiration is termed the __________________.

Select one of the following:

Explanation

Question 4 of 50

Which of the following statements is FALSE in regard to inspiration?

Select one of the following:

Explanation

Question 5 of 50

Which of the following is responsible for keeping the lungs from collapsing?

Select one of the following:

Explanation

Question 6 of 50

The chloride shift refers to _______________________.

Select one of the following:

Explanation

Question 7 of 50

When holding our breath for a long time we get the urge to breathe because of __________.

Select one of the following:

Explanation

Question 8 of 50

The majority of carbon dioxide is transported _____________

Select one of the following:

Explanation

Question 9 of 50

which is not one of the 3 main factors that influence external respiration

Select one of the following:

Explanation

Question 10 of 50

Bacteria or other particulate debris contained within inspired air are removed or destroyed by __________.

Select one of the following:

Explanation

Question 11 of 50

People who have their adenoids removed to cut down on snoring are having their _________removed

Select one of the following:

Explanation

Question 12 of 50

Loss of lung elasticity and destruction of alveolar walls is termed:

Select one of the following:

Explanation

Question 13 of 50

___________________ is the most potent chemical influencing respiration.

Select one of the following:

Explanation

Question 14 of 50

_______________ is produced by the ___________ in response to low blood oxygen levels

Select one of the following:

Explanation

Question 15 of 50

Why is it possible to deliver more oxygen to vigorously working cells without increasing respiration rate or cardiac output?

Select one of the following:

Explanation

Question 16 of 50

Why is the rate of CO2 exchange roughly equivalent to that of O2 despite its less steep pressure gradient

Select one of the following:

Explanation

Question 17 of 50

During an asthma attack, bronchioles become severely ______________. Taking epinephrine cause them to _____________.

Select one of the following:

Explanation

Question 18 of 50

The majority of absorption occurs in the _____________.

Select one of the following:

Explanation

Question 19 of 50

The majority of _______________ occurs in the mouth, stomach and small intestine.

Select one of the following:

Explanation

Question 20 of 50

In terms of gastrointestinal function, the large intestine’s greatest contribution is:

_____ is produced by the _ in response to low blood oxygen levels

During an asthma attack, bronchioles become severely __. Taking epinephrine cause them to _.

It is possible for vegetarians to obtain complete proteins by combining _ and ________.