Biology 255 Final Exam Questions With
Verified Solutions
The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on
The presence of the appropriate receptors on or in the target tissue or organ cells.
.
Growth hormone
Promotes long bone growth during the formative years.
Thyroid hormones (T3 and T4) are made by thyroid gland
Follicles
Which hormone does the placenta make? (It is used to detect pregnancy)
Chorionic gonadotropin
Which part of the adrenal gland makes gonadocorticoids (mostly androgens)?
Zona reticularis
Leptin is secreted by
Adipocytes
The thyroid gland is derived from the
Endoderm
When small molecules are taken from the lumen of the gastrointestinal tract into the mucosal cells,
this is called
Absorbtion
Important peritoneal folds do NOT include the
Round ligament
Which is NOT a blood vessel of the splanchnic circulation?
Saphenous artery
If, after opening the peritoneal cavity, an incision was made in the small intestine to remove an
obstruction, the first layer of tissue to be cut would be
Serosa
Which is the median fold of tissue joining the internal lips to the gums?
Labial frenulum
The calcified connective tissue that comprises the MAJORITY of a toot is called
Dentin
, Which of the following tongue papillae contain taste buds?
Fungiform and circumvallate
The gradual demineralization of tooth enamel and dentin by bacterial action is called
Caries
The primary function of the gastroesophageal (AKA lower esophageal or cardiac) sphincter is to
Prevent reflux of food and acid from the stomach
Gastin, histamine, endorphins, serotonin, cholecystokinin, and somatostatin are hormones released
directly into the lamina propria. Which of the following cell types synthesize and secrete these
products?
Enteroendocrine cells
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the
mucosal lining. Which of the following accomplish this task?
Plicae circulates and intestinal villi
The _________ contains lobules with sinusoids (lined with macrophages) that lead to a central venous
structure.
Liver
Which is an exocrine product of the pancreas?
Lipase enzyme
The terminal portion of the small intestine is known as the
Ileum
The tenia coli of the large intestine are
Longitudinal smooth muscle fibers
Which is NOT a function of the normal bacterial flora of the colon?
Emulsification of lipids for better vitamin K absorption
Hydrolysis of proteins to supply amino acids
The oral cavity develops from
The stomodeum and ectodermal invagination
Urine passes through the
Pelvis of kidney > ureter > urinary bladder > urethra
Which type of nephron has a long loop of Henle and produces concentrated urine
Juxtamedullary
Verified Solutions
The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on
The presence of the appropriate receptors on or in the target tissue or organ cells.
.
Growth hormone
Promotes long bone growth during the formative years.
Thyroid hormones (T3 and T4) are made by thyroid gland
Follicles
Which hormone does the placenta make? (It is used to detect pregnancy)
Chorionic gonadotropin
Which part of the adrenal gland makes gonadocorticoids (mostly androgens)?
Zona reticularis
Leptin is secreted by
Adipocytes
The thyroid gland is derived from the
Endoderm
When small molecules are taken from the lumen of the gastrointestinal tract into the mucosal cells,
this is called
Absorbtion
Important peritoneal folds do NOT include the
Round ligament
Which is NOT a blood vessel of the splanchnic circulation?
Saphenous artery
If, after opening the peritoneal cavity, an incision was made in the small intestine to remove an
obstruction, the first layer of tissue to be cut would be
Serosa
Which is the median fold of tissue joining the internal lips to the gums?
Labial frenulum
The calcified connective tissue that comprises the MAJORITY of a toot is called
Dentin
, Which of the following tongue papillae contain taste buds?
Fungiform and circumvallate
The gradual demineralization of tooth enamel and dentin by bacterial action is called
Caries
The primary function of the gastroesophageal (AKA lower esophageal or cardiac) sphincter is to
Prevent reflux of food and acid from the stomach
Gastin, histamine, endorphins, serotonin, cholecystokinin, and somatostatin are hormones released
directly into the lamina propria. Which of the following cell types synthesize and secrete these
products?
Enteroendocrine cells
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the
mucosal lining. Which of the following accomplish this task?
Plicae circulates and intestinal villi
The _________ contains lobules with sinusoids (lined with macrophages) that lead to a central venous
structure.
Liver
Which is an exocrine product of the pancreas?
Lipase enzyme
The terminal portion of the small intestine is known as the
Ileum
The tenia coli of the large intestine are
Longitudinal smooth muscle fibers
Which is NOT a function of the normal bacterial flora of the colon?
Emulsification of lipids for better vitamin K absorption
Hydrolysis of proteins to supply amino acids
The oral cavity develops from
The stomodeum and ectodermal invagination
Urine passes through the
Pelvis of kidney > ureter > urinary bladder > urethra
Which type of nephron has a long loop of Henle and produces concentrated urine
Juxtamedullary
