Exam 19: The Endocrine System

________ is released by the posterior lobe of the pituitary gland in response to a rise in the concentration of electrolytes in the blood, or in response to a fall in blood volume or blood pressure.

The only endocrine gland that stores its hormone product extracellularly is the ________.

Which group(s)of hormones is/are derived from cholesterol?

Figure 19.1 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label A.

________ are small molecules with a five-carbon ring at one end and are released by most body cells.

Regarding the hormone groups based on their chemical structure, the ________ are derivatives of tyrosine and are released by the adrenal medulla.

Figure 19.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label C.

Figure 19.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label F.

The thyroid gland is responsible for the secretion of which hormone(s)?

Figure 19.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label P.

The C thyrocytes of the thyroid produce the hormone calcitonin.

The ________ is a mixed gland with both exocrine and endocrine activities, and lies within the abdominopelvic cavity in the J-shaped loop between the stomach and small intestine.

In the female, ________ accelerate(s)the movement of the oocyte along the uterine tube and prepare(s)the uterus for the arrival of the developing embryo.

Which of the following accounts for roughly 90 percent of all thyroid secretions?

Melanocyte-stimulating hormone, the only hormone released by the pars intermedia, is secreted by corticotropes only during fetal development, in young children, in pregnant women, and in some disease states.

Which cell population secretes a hormone, called inhibin, which depresses the secretion of FSH by the anterior lobe of the pituitary gland?

How does the role of the thymus change as an infant grows?

Figure 19.2 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label M.

When the oxygen content of the blood becomes too low, the ________ releases ________ to stimulate red blood cell production.

Figure 19.2 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label F.