The function of the surfactant in the lung is to help:

a. reduce the surface tension of water in the alveoli
b. trap bacteria and dust
c. move bacteria and dust toward the pharynx
d. both B and C above


a. reduce the surface tension of water in the alveoli

Anatomy & Physiology

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Which of the following are types of papillae on the tongue that contain taste buds?

A) fungiform and circumvallate B) palatine and circumvallate C) circumvallate and filiform D) fungiform, circumvallate, and filiform

Anatomy & Physiology

Intrinsic factor aids the absorption of ________ across the intestinal lining.

A) vitamin C B) vitamin B12 C) vitamin D D) vitamin K E) vitamin B5

Anatomy & Physiology

The only cause of hypotonicity is drinking excess fluid

Indicate whether the statement is true or false

Anatomy & Physiology

The appetite centers stimulate feeding behavior, whereas the satiety centers inhibit feeding behavior

Indicate whether the statement is true or false

Anatomy & Physiology