Endocrine / Urninary Flashcards
Which tissue or gland secretes oxytocin?
A. Neurohypophysis
B. Parathyroid gland
C. Adenohypophysis
D. Pineal Gland
A. Neurohypophysis
________________ of anterior pituitary appears bright pink after hematoxylin-eosin staining.
A. Herring bodies
B. Chromophobe cells
C. Acidophil cells
D. Basophil cells
C. Acidophil cells
What tissue is made of nerve fibers and glial cells?
Posterior pituitary
Cells that make up the thyroid follicles are _________________ in shape.
A. Columnar
B. Simple squamous
C. Cuboidal
D. Ciliated Columnar
C. Cuboidal
T/F
Follicular cells produce iodine for making T3-T4.
False
T/F
High Blood levels of T3-T4 result in decreased production of TRH.
True
T/F
Thyroid releasing hormones (TRH) directly stimulates the thyroid.
False
T/F
Parathyroid gland secretes calcitonin.
False
Parafollicular cells secrete calcitonin
_______________ cells secrete calcitonin.
Parafollicular cells of Thyroid
Which part of the the adrenal gland has cells with large lipid filled vesicles?
A. Zona Glomerulosa
B. Zona Fasiculata
C. Zona reticular is
D. Adrenal Medulla
B. Zona Fasiculata
Chromaffin cells are found in _______________ tissue of the endocrine system.
A. Adrenal Cortex
B. Pineal Gland
C. Parathyroid Gland
D. Adrenal Medulla
D. Adrenal Medulla
Immunostaining using anti-insulin antibody will stain which cells of the pancreatic islets?
A. A cells
B. B Cells
C. PP Cells
D. D Cells
B. B Cells
T/F
Thyroid colloid also consists of iodine that is absorbed from the blood.
TRUE
T/F
Chromophobes are dominant non secretory cells of the adenohypophysis.
TRUE
T/F
Follicular cells are the dominant cell type of the thyroid and are also responsible for T3-T4 secretion.
TRUE
T/F
Pituicytes are modified neurons.
FALSE
T/F
Hypothalamus is also Called the master gland of the body.
FALSE
T/F
When a number of glands can signal each other in a sequence, it is called a cluster.
FALSE
What is a number of glands that can signal each other in a sequence called?
Axis
T/F
Most hypothalamus hormones target the pituitary.
TRUE
T/F
Anterior pituitary secretes a lot more hormones compared to the posterior pituitary.
TRUE
What percentage of hormones is secreted by the anterior lobe of the pituitary gland?
75%
T/F
Herring bodies are hormone filled vesicles found in the axon terminals in the neurophypophysis.
FALSE
T/F
Gherlin promotes satiety and discourages food ingestion.
FALSE
What does the hormone ghrelin do?
Stimulates feeding behavior
What hormone promotes satiety and discourages food ingestion?
Pancreatic polypeptide (PP) Cells
Which of the following is not considered to be part of the nephron?
A. Proximal convoluted tubule
B. Collecting Tubule
C. Renal Tubule
D. Distal Convoluted Tubule
B. Collecting Tubule
The apex of the renal pyramid is called the ___________________.
A. Macula Densa
B. Area Cribosa
C. Juxtaglomerular Apparatus
D. Pole Cushion
B. Area Cribosa
T/F
Cortical nephrons do not have a loop of Henle.
FALSE
The parietal layer of Bowman’s capsule is made of ____________________ cells.
A. Cuboidal
B. Cuboidal with micro I’ll
C. Pod otters
D. Squamous
D. Squamous
T/F
DCT is not longer than PCT
TRUE
Which cells are not a part of the juxtaglomerular apparatus?
A. Lacis Cells
B. Macula Densa
C. Mesangial Cells
D. Podocytes
D. Podocytes
Which hormone secreted by the kidney causes increase in blood pressure?
A. Renin
B. Erythropoietin
C. Antidiuretic hormone
D. Calcitriol
A. Renin
Which statement is true about the ureter wall?
A. Epithelium is made of statified squamous cells
B. Submucosa has muscle strands
C. Lamina proprietor is absent
D. Multilayered muscularis (circular and longitudinal fibers)
D. Multilayered muscularis (circular and longitudinal fibers)
Which type of epithelia is not found in the urethra?
A. Stratified columnar
B. Simple Squamous
C. Stratified Squamous
D. Transitional
B. Simple Squamous
Which part of the unitary system is shown in the image?
A collecting Duct
B. Loop of Henle
C. Proximal convoluted tubule
D. Distal convoluted tubule
C. Proximal convoluted tubule
T/F
Erythropoietin is a hormone secreted by the kidneys.
TRUE
T/F
Renal Corpuscles are only found in the renal medulla.
FALSE
Where are Renal Corpuscles found?
Kidney Cortex
T/F
Podocytes form the filtration barrier along with the glomerular capillaries.
True
What forms the filtration barrier (bowman’s capsule)?
Endothelium
Basement Membrane
Podocytes
T/F
Glomerulus is made of sinusoidal capillaries.
FALSE
What kind of capillaries make up the Glomerulus in the vascular pole of the Renal Corpuscle?
fenestrated capillaries
T/F
The urethra has 3 types of epithelia, changing from transitional to stratified squamous.
True
What are the three layers of the epithelium in the erethra?
Transitional
Stratified Columnar
Stratified Squamous
T/F
Macula Densa cells secrete renin to regulate the osmolarity of the blood.
False
What cells secrete Renin to regulate the osmolarity of the blood?
Juxtaglomerular cells
What is the function of the macula Densa?
Monitor the osmolarity, volume and sodium content of the fluid in its lumen.
T/F
B Cells are the insulin secreting cells in the islets of langerhans.
TRUE
T/F
Melatonin also regulates menstrual cycle in women.
True
T/F
Most hypothalamus hormones target the Pituitary.
True
T/F
The main body of urinary bladder is supported by smooth muscles.
True
T/F
A nephron is the anatomofunctional unit of the kidney.
True
T/F
Juxtamedullary nephrons are more efficient in reabsorbing water.
True
T/F
Afferent arterials participates in the juxtaglomerular apparatus.
True
T/F
Juxtaglomerular apparatus is only found in the Juxtamedullary nephrons
False
T/F
Mesangial cells are the same as Podocytes in the glomerulus.
False
T/F
Oxyphils of the parathyroid remain dormant, until there is a need to replace the Chief Cells.
True
T/F
Epinephrine/norepinephrine are eternal cortex hormones.
False
T/F
Pinealocytes are a type of glial cells with unknown function in Pineal gland.
False
T/F
Anterior pituitary secretes a lot more hormones compared to the posterior pituitary.
True
T/F
Ca & Mg concretions do not have an effect on the Pineal gland function.
True
T/F
Spongiocytes are also called the chormaffin cells of the adrenal medulla.
False.