Bio 163 Exam 3 Review | Questions nd Answers|
Updated !!
What are the accessory digestive organs ** Answ** liver, gallbladder, pancreas
order the layers from lumen to outermost ** Answ** Serosa/Advntitia, Mucosa -
Muscularis, Submusosa, Muscularis Externa, Mucosa - Lamina Propria, Mucosa -
Epithelium
pyloric sphincter ** Answ** control passage into the duodenum
lower esophageal sphincter ** Answ** controls passage into the stomach
ileocecal valve ** Answ** controls passage into the large intestines
upper esophageal sphincter ** Answ** controls passage from the pharynx into the
esophagus
Stratified squamous epithelium is found in which of the following regions ** Answ**
pharynx, mouth, anus
mechanical digestion occurs in the ** Answ** mouth and stomach
Layers of the go tract (inner to outer) ** Answ** lumen, mucosa, sub-mucosa,
muscularis, serosa
The central chemoreceptors, which are the most important ones for regulating
respiration, are located in the __________ and respond mainly to elevated levels of
__________. ** Answ** medula, CO2
A patient is breathing excessively slowly as a result of an opiate overdose. You would
expect their blood CO2 levels to be __________, while their pH would be __________.
** Answ** increased, decreased
what occurs during exhalation ** Answ** the volume of the thoracic cavity
decreases, causing the pressure in the lungs to increases
Most of the oxygen in the blood is carried in what form? ** Answ** attached to
hemoglobin
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, The alveoli are lined by which of the following types of epithelia? ** Answ** simple
squamous
Chemoreceptors that monitor CO2 levels in the blood will ____________ their rate of
firing when CO2 levels rise. ** Answ** increase
If CO2 levels in the blood decrease, which of the following will happen as a result **
Answ** blood pH will increase, diaphragm contraction will slow
The partial pressure of oxygen in the alveoli is 100 mmHg, while the partial pressure of
oxygen in the capillaries surrounding the alveoli is 40 mmHg ** Answ** Oxygen will
flow out of the alveoli, and this is an example of external respiration
During inhalation, intrapulmonary pressure is lower than atmospheric pressure. **
Answ** true
Blood in the aorta has a partial pressure of oxygen of about 100 mmHg. In this blood,
about how many oxygen molecules would be carried by the average hemoglobin
molecule? ** Answ** 4
A patient with restrictive lung disease has a respiratory minute volume of 6000 mL/min
and a respiratory rate of 10. What is this person's tidal volume? ** Answ** 600
pepsinogen ** Answ** proteins
pancreatic amylase ** Answ** carbohydrates
Pancreatic nuclease ** Answ** nucleic acids
bile salts ** Answ** lipids
The cells of the pancreas that produce pancreatic juice are: ** Answ** acinar cells
The release of secretin occurs during which phase of digestion? ** Answ** intestinal
Secretin has which of the following functions? ** Answ** Stimulates production of
pancreatic juice by the pancreas, slows stomach mortality, and Increases production of
bile by the liver
What two tissue types make up anatomical membranes, like the mucous membrane of
the respiratory tract, in our body? ** Answ** Epithelial and loose connective
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Updated !!
What are the accessory digestive organs ** Answ** liver, gallbladder, pancreas
order the layers from lumen to outermost ** Answ** Serosa/Advntitia, Mucosa -
Muscularis, Submusosa, Muscularis Externa, Mucosa - Lamina Propria, Mucosa -
Epithelium
pyloric sphincter ** Answ** control passage into the duodenum
lower esophageal sphincter ** Answ** controls passage into the stomach
ileocecal valve ** Answ** controls passage into the large intestines
upper esophageal sphincter ** Answ** controls passage from the pharynx into the
esophagus
Stratified squamous epithelium is found in which of the following regions ** Answ**
pharynx, mouth, anus
mechanical digestion occurs in the ** Answ** mouth and stomach
Layers of the go tract (inner to outer) ** Answ** lumen, mucosa, sub-mucosa,
muscularis, serosa
The central chemoreceptors, which are the most important ones for regulating
respiration, are located in the __________ and respond mainly to elevated levels of
__________. ** Answ** medula, CO2
A patient is breathing excessively slowly as a result of an opiate overdose. You would
expect their blood CO2 levels to be __________, while their pH would be __________.
** Answ** increased, decreased
what occurs during exhalation ** Answ** the volume of the thoracic cavity
decreases, causing the pressure in the lungs to increases
Most of the oxygen in the blood is carried in what form? ** Answ** attached to
hemoglobin
For assistance with assignments contact
, The alveoli are lined by which of the following types of epithelia? ** Answ** simple
squamous
Chemoreceptors that monitor CO2 levels in the blood will ____________ their rate of
firing when CO2 levels rise. ** Answ** increase
If CO2 levels in the blood decrease, which of the following will happen as a result **
Answ** blood pH will increase, diaphragm contraction will slow
The partial pressure of oxygen in the alveoli is 100 mmHg, while the partial pressure of
oxygen in the capillaries surrounding the alveoli is 40 mmHg ** Answ** Oxygen will
flow out of the alveoli, and this is an example of external respiration
During inhalation, intrapulmonary pressure is lower than atmospheric pressure. **
Answ** true
Blood in the aorta has a partial pressure of oxygen of about 100 mmHg. In this blood,
about how many oxygen molecules would be carried by the average hemoglobin
molecule? ** Answ** 4
A patient with restrictive lung disease has a respiratory minute volume of 6000 mL/min
and a respiratory rate of 10. What is this person's tidal volume? ** Answ** 600
pepsinogen ** Answ** proteins
pancreatic amylase ** Answ** carbohydrates
Pancreatic nuclease ** Answ** nucleic acids
bile salts ** Answ** lipids
The cells of the pancreas that produce pancreatic juice are: ** Answ** acinar cells
The release of secretin occurs during which phase of digestion? ** Answ** intestinal
Secretin has which of the following functions? ** Answ** Stimulates production of
pancreatic juice by the pancreas, slows stomach mortality, and Increases production of
bile by the liver
What two tissue types make up anatomical membranes, like the mucous membrane of
the respiratory tract, in our body? ** Answ** Epithelial and loose connective
For assistance with assignments contact
