CBS Medical Terminology & Anatomy 5

Question 1

What anatomical structure prevents milk from continuously leaking from the nipple between feedings?

Accepted Answer

Smooth muscle of the nipple

Answer

Smooth muscle fibers arranged circularly and longitudinally within the nipple act as a functional sphincter to prevent constant milk leakage.

Question 2

The term 'galactopoiesis' refers to which process?

Accepted Answer

The maintenance of established milk production

Answer

Galactopoiesis is the process of maintaining ongoing milk production once lactation has been established, dependent on continued suckling and prolactin.

Question 3

Which of the following correctly describes the anatomical path of milk from production to delivery?

Accepted Answer

Alveoli → lobules → lobes → lactiferous ducts → nipple pores

Answer

Milk is produced in alveoli, drains through intralobular ducts into lobules and lobes, then travels through lactiferous ducts to exit at the nipple pores.

Question 4

The prefix 'lacto-' as used in 'lactocyte' refers to:

Accepted Answer

Milk

Answer

The prefix 'lacto-' is derived from Latin 'lac/lactis' meaning milk, so a lactocyte is a milk-producing epithelial cell lining the alveoli.

Question 5

In anatomy, the term 'retromammary space' refers to:

Accepted Answer

The loose connective tissue layer between the breast and pectoralis fascia

Answer

The retromammary space is a layer of loose areolar tissue lying between the posterior surface of the breast and the pectoral fascia, allowing breast movement.

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CBS Medical Terminology & Anatomy 5