Module 7 - Endocrine System
Which organ produces hormones that control blood electrolytes levels?
A
Which structure releases epinephrine?
A
Which of the following best describes a hormone?
A chemical messenger transported by the bloodstream that stimulates target cells in another organ often a good distance away
The _______ secrete(s) _________, which promotes Na+ and water retention.
Adrenal cortex; aldosterone
In the picture below, the more coloured, darker area on the left side is the:
Anterior lobe of the pituitary gland
The hypophysial portal system connects the _______ with the ________
Anterior pituitary; hyphothalamus
Hormones from which organ have the greatest effect on the basal metabolic rate (BMR)?
B
Which structure only produces aldosterone?
C
Which cel in the parathyroid gland secretes parathyroid hormone?
Chief cell
The zona fasciculata in the adrenal gland secretes ____________
Cortisol
Follicle-stimulating hormone targets which of these organs?
E
Which of the following is not a steroid hormone?
Epinephrine
What is the name of the hormone at E?
GH- Growth hormone
What process is occurring at E?
Gene transcription
The area under the tip of the arrow releases which of the following?
Glucagon
Many hours after a meal, alpha (α) cells in the pancreatic islets secrete _________, which _________ blood glucose.
Glucagon; raises
Which of these cell types secret estrogens?
Granulosa cells
Of the following hormones, which has more target cells into body than the others?
Growth hormone (GH)
Which of the following is not a characteristic of diabetes mellitus?
Hypoglycemia
The area under the tip of the arrow release which of the following?
Insulin
Which of the following is found in the area under the pointer?
Interstitial cells
Which of the following is true of the pancreas?
It is located between the duodenum and spleen, just inferior to the stomach
The ______ is not an endocrine gland, but it has a role in endocrine functino
Kidney
Antidiuretic hormone (ADH) affect what organs?
Kidneys
The _________ cells are located in-between the seminiferous tubules and secrete testosterone and inhibin.
Leydig cells
What is the name of the hormone at C?
Luteinizing hormone (LH) and follicle stimulating hormone (FSH)
The hormone called _________ plays an important role in synchronising physiological function with the cycle of daylight and darkness.
Melatonin
Which hormone is produced by B?
Oxytocin
Which of the following hormones can be transported ion blood without the need for transport molecules?
Oxytocin
What is the name of the hormone at A?
PRL - Prolactin
The ________ secrete(s) a hormone as a response to hypocalcemia.
Parathyroid glands
The ________ gland can be found as part of the epithalamus, near the superior colliculi of the midbrain.
Pineal
In the picture below, the structure labeled X is the ___________
Pineal gland
The infundibulum is a ___________
Projection of the hypothalamus from which the pituitary gland hangs
The pituitary gland is housed in a depression within the spheroid bone called _______
Sella turcica
What type of hormone is found at B?
Steroid
Which structure facilitates communication between C and D?
The hypophysial portal system
Which structure facilitates communication between A and B?
The hypothalamo-hypophysial tract
Which of the following organs has both endocrine and exocrine functions?
The ovary
Which of the following is TRUE about the pituitary gland?
The posterior lobe contains nerve fibres and glial cells
Parathyroid hormone promotes which of the following?
The resorption of calcium from bone
The ________ secretes several hormones that stimulate the development of lymphatic organs and regulates development and activity of T cells (WBCs)
Thymus
Which of the following glands is the most inferior of the glands on this list? Thymus gland Pineal gland Thyroid gland Pituitary gland
Thymus gland
What structure is pictured here?
Thyrohyoid gland
T4 and T3 are __________ hormones
Thyroid
The __________ secretes a hormone that increases the body's metabolic rate and promotes alertness.
Thyroid gland
In the picture below, the layer labeled X is the _________ region
Zona fasciculata
What molecule is found at C?
cAMP
The endocrine cell clusters of the pancreas are known as _________
pancreatic islets
