HISTOLOGY LECTURE EXAM 1 & 2
QUESTIONS & ANSWERS
Which cell type is round with foamy cytoplasm and produces a film rich in lipoproteins to
keep the alveoli from collapsing. - Correct Answers -Type II pneumocyte
The largest portion of neurohypophysis is the pars distalis - Correct Answers -False
Alveolar pores are small holes found between adjacent alveoli. - Correct Answers -True
Acidophils in the adenohypophysis are thought to produce human growth hormone and
prolactin because they stain heavily with Periodic acid-Schiff reaction. - Correct
Answers -False
During development, the adenohypophysis arises from epithelial tissue forming roof of
mouth. - Correct Answers -True
The pituitary is protected by being set in a saddle-like depression of the occipital bone
called the sella turcica. - Correct Answers -False
The tall columnar cells found in the lining epithelium of the nose which have a well
developed junctional complex attaching them to sensory cells are called: - Correct
Answers -Sustentacular cells
Isolation of granules from basophils of the adenohypophysis shows that prolactin and
human growth hormone associated with them. - Correct Answers -False
The anterior portion of the pituitary is called the neurohypophysis. - Correct Answers -
False
Oxytocin and antidiuretic hormone are both produced by cells of the adenohypophysis. -
Correct Answers -False
Gas exchange takes place only in the alveolar sac area of the lung lobule. - Correct
Answers -False
Olfactory cells are bipolar nerve cells. - Correct Answers -True
The lungs are only organs of respiration. - Correct Answers -False
,The proximal end of olfactory cells has a bulbous head called the olfactory vesicle which
has from 6 - 8 olfactory cilia attached to it. - Correct Answers -False
The respiratory unit is the lung lobule. - Correct Answers -True
The chromophil cells of the adenohypophysis are divided into acidophils and basophils
dependent upon their staining characteristics. - Correct Answers -True
In addition to the alveoli, gas exchange also takes place in the bronchi. - Correct
Answers -False
Which item below is not considered part of the conducting pathway of the respiratory
tract. - Correct Answers -Alveoli
The hypophyseal portal system functions to permit the hypothalamus to control and
inhibit the release of hormones by the pituitary. - Correct Answers -True
Throughout neurohypophysis are found round structures of varying size called Herring
bodies. - Correct Answers -True
The respiratory pathway provides a way for gaseous exchange between the body mass
and the air. - Correct Answers -True
Alveolar macrophages absorb foreign particles breathed into the lungs. - Correct
Answers -True
Which type of epithelium lines the inner cavity of the nose? - Correct Answers -
Pseudostratified columnar
The first cell type which an oxygen molecule would have to pass through to get to a
blood capillary would be a: - Correct Answers -Type II pneumocyte
Bulk of neurohypophysis is made up of many unmyelinated nerve fibers which make up
what is called the hypothalamo-hypophyseal tract. - Correct Answers -True
Which cell types are present in the pancreatic Islets of Langerhans. - Correct Answers -
Alpha and Beta and Delta cells
The pancreas is an endocrine gland because it secretes pancreozymine. - Correct
Answers -False
The liver receives venous blood by way of the: - Correct Answers -Portal vein
One function of insulin is: - Correct Answers -Decrease blood glucose by making cell
membranes more permeable to glucose
, One function of somatostatin is: - Correct Answers -Release growth hormone by
pituitary
When chyme enters the intestine from the stomach, the intestinal wall secretes what
hormone which causes the pancreas to secrete large amounts of sodium bicarbonate to
neutralize the acidic chyme. - Correct Answers -Secretin
The liver is an essential human organ which means that humans cannot live long
without a liver. - Correct Answers -True
Why is the Greek mythological story about Promethius important to understanding the
functioning of the liver. - Correct Answers -Promethius was punished by having an
vulture eat his liver every day and then it grew back the next day.
The Delta cells of the pancreatic Islets of Langerhans produce: - Correct Answers -
Somatostatin
The classical liver lobule is easily observed in human liver sections. - Correct Answers -
False
Rough endoplasmic reticulum in liver hepatocytes detoxifies barbiturates - Correct
Answers -False
How does the liver act like an exocrine gland? - Correct Answers -Secretes bile
Bile salts and bilirubin secreted into the intestine perform no major function there. -
Correct Answers -False
One function of glucagon is - Correct Answers -Increase blood glucose by increasing
breakdown of glycogen to glucose
In acute pancreatitus, the pancreatic digestive enzymes become active while they are
still in the zygomatic granules and destroy the pancrease by digesting it. - Correct
Answers -True
The Beta cells of the pancreatic Islets of Langerhans produce: - Correct Answers -
Insulin
The liver receives arterial blood from the: - Correct Answers -Hepatic artery
The Alpha cells of the pancreatic Islets of Langerhans produce: - Correct Answers -
Glucagon
The portal liver lobule is designed based on the function of the liver in producing bile -
Correct Answers -True
QUESTIONS & ANSWERS
Which cell type is round with foamy cytoplasm and produces a film rich in lipoproteins to
keep the alveoli from collapsing. - Correct Answers -Type II pneumocyte
The largest portion of neurohypophysis is the pars distalis - Correct Answers -False
Alveolar pores are small holes found between adjacent alveoli. - Correct Answers -True
Acidophils in the adenohypophysis are thought to produce human growth hormone and
prolactin because they stain heavily with Periodic acid-Schiff reaction. - Correct
Answers -False
During development, the adenohypophysis arises from epithelial tissue forming roof of
mouth. - Correct Answers -True
The pituitary is protected by being set in a saddle-like depression of the occipital bone
called the sella turcica. - Correct Answers -False
The tall columnar cells found in the lining epithelium of the nose which have a well
developed junctional complex attaching them to sensory cells are called: - Correct
Answers -Sustentacular cells
Isolation of granules from basophils of the adenohypophysis shows that prolactin and
human growth hormone associated with them. - Correct Answers -False
The anterior portion of the pituitary is called the neurohypophysis. - Correct Answers -
False
Oxytocin and antidiuretic hormone are both produced by cells of the adenohypophysis. -
Correct Answers -False
Gas exchange takes place only in the alveolar sac area of the lung lobule. - Correct
Answers -False
Olfactory cells are bipolar nerve cells. - Correct Answers -True
The lungs are only organs of respiration. - Correct Answers -False
,The proximal end of olfactory cells has a bulbous head called the olfactory vesicle which
has from 6 - 8 olfactory cilia attached to it. - Correct Answers -False
The respiratory unit is the lung lobule. - Correct Answers -True
The chromophil cells of the adenohypophysis are divided into acidophils and basophils
dependent upon their staining characteristics. - Correct Answers -True
In addition to the alveoli, gas exchange also takes place in the bronchi. - Correct
Answers -False
Which item below is not considered part of the conducting pathway of the respiratory
tract. - Correct Answers -Alveoli
The hypophyseal portal system functions to permit the hypothalamus to control and
inhibit the release of hormones by the pituitary. - Correct Answers -True
Throughout neurohypophysis are found round structures of varying size called Herring
bodies. - Correct Answers -True
The respiratory pathway provides a way for gaseous exchange between the body mass
and the air. - Correct Answers -True
Alveolar macrophages absorb foreign particles breathed into the lungs. - Correct
Answers -True
Which type of epithelium lines the inner cavity of the nose? - Correct Answers -
Pseudostratified columnar
The first cell type which an oxygen molecule would have to pass through to get to a
blood capillary would be a: - Correct Answers -Type II pneumocyte
Bulk of neurohypophysis is made up of many unmyelinated nerve fibers which make up
what is called the hypothalamo-hypophyseal tract. - Correct Answers -True
Which cell types are present in the pancreatic Islets of Langerhans. - Correct Answers -
Alpha and Beta and Delta cells
The pancreas is an endocrine gland because it secretes pancreozymine. - Correct
Answers -False
The liver receives venous blood by way of the: - Correct Answers -Portal vein
One function of insulin is: - Correct Answers -Decrease blood glucose by making cell
membranes more permeable to glucose
, One function of somatostatin is: - Correct Answers -Release growth hormone by
pituitary
When chyme enters the intestine from the stomach, the intestinal wall secretes what
hormone which causes the pancreas to secrete large amounts of sodium bicarbonate to
neutralize the acidic chyme. - Correct Answers -Secretin
The liver is an essential human organ which means that humans cannot live long
without a liver. - Correct Answers -True
Why is the Greek mythological story about Promethius important to understanding the
functioning of the liver. - Correct Answers -Promethius was punished by having an
vulture eat his liver every day and then it grew back the next day.
The Delta cells of the pancreatic Islets of Langerhans produce: - Correct Answers -
Somatostatin
The classical liver lobule is easily observed in human liver sections. - Correct Answers -
False
Rough endoplasmic reticulum in liver hepatocytes detoxifies barbiturates - Correct
Answers -False
How does the liver act like an exocrine gland? - Correct Answers -Secretes bile
Bile salts and bilirubin secreted into the intestine perform no major function there. -
Correct Answers -False
One function of glucagon is - Correct Answers -Increase blood glucose by increasing
breakdown of glycogen to glucose
In acute pancreatitus, the pancreatic digestive enzymes become active while they are
still in the zygomatic granules and destroy the pancrease by digesting it. - Correct
Answers -True
The Beta cells of the pancreatic Islets of Langerhans produce: - Correct Answers -
Insulin
The liver receives arterial blood from the: - Correct Answers -Hepatic artery
The Alpha cells of the pancreatic Islets of Langerhans produce: - Correct Answers -
Glucagon
The portal liver lobule is designed based on the function of the liver in producing bile -
Correct Answers -True
