Deck 10: Endocrine System

Question 1

The catecholamines norepinephrine and epinephrine are secreted by:

A) Beta cells of the islets of Langerhans
B) Basophil cells of the anterior pituitary gland
C) Chief cells of the parathyroid gland
D) Chromaffin cells of the adrenal medulla
E) Pituicytes of the posterior pituitary gland

Answer 1

D

Question 2

Cells with many lipid droplets are present in the:

A) Anterior pituitary gland
B) Cortex of the adrenal gland
C) Islets of Langerhans
D) Parathyroid gland
E) Thyroid gland

Answer 2

B

Question 3

Dark,intensely stained,membrane-bound secretory granules are visible in electron micrographs of the cytoplasm of which cell type?

A) Cells of the zona fasciculata of the adrenal cortex
B) Follicle cells of the thyroid gland
C) Norepinephrine-containing chromaffin cells of the adrenal medulla
D) Oxyphil cells of the parathyroid gland
E) Pituicytes of the posterior pituitary gland

Answer 3

C

Question 4

During embryogenesis of the pituitary gland,the anterior lobe develops from which epithelial process?

A) Infundibular process
B) Median eminence
C) Pars intermedia
D) Rathke's pouch
E) Zona reticularis

Question 5

The parafollicular cells of the thyroid gland secrete:

A) Calcitonin
B) Epinephrine
C) Parathyroid hormone
D) Thyroglobulin
E) Thyroid stimulating hormone (TSH)

Question 6

Unusually large numbers of mitochondria are present in the cytoplasm of:

A) Anterior pituitary acidophil cells
B) Anterior pituitary basophil cells
C) Delta cells of the islets of Langerhans
D) Oxyphil cells of the parathyroid gland
E) Parafollicular cells of the thyroid gland

Question 7

Beta cells of the pancreas secrete:

A) Catecholamines
B) Cortisol
C) Digestive enzymes
D) Enkephalin
E) Insulin

Question 8

The presence of Herring bodies is an identifying characteristic of the:

A) Adrenal cortex
B) Adrenal medulla
C) Islets of Langerhans
D) Parathyroid gland
E) Posterior pituitary gland

Question 9

Anterior pituitary acidophil cells secrete:

A) Cortisol
B) Growth hormone
C) Insulin
D) Luteinizing hormone
E) Vasopressin