Which structure contains pockets or puckers that are called "haustra?"

A) Small intestine
B) Stomach
C) Large intestine
D) Pharynx


Answer: C

Anatomy & Physiology

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When blood glucose concentrations are elevated, the glucose molecules are __________.

a. catabolized for energy b. used for tissue repair c. used to build proteins d. all of the above

Anatomy & Physiology

Which of the following is NOT an active process by which substances cross the plasma membrane?

A. Pinocytosis B. Phagocytosis C. Active transport D. Filtration E. All of these are active processes.

Anatomy & Physiology

The defining characteristic of a stem cell is

A. origin from a progenitor cell. B. the ability to turn into a cancer cell. C. self-repair. D. self-renewal.

Anatomy & Physiology

Surfactant helps to prevent the alveoli from collapsing by ________

A) humidifying the air before it enters B) protecting the surface of alveoli from dehydration and other environmental variations C) warming the air before it enters D) interfering with the cohesiveness of water molecules, thereby reducing the surface tension of alveolar fluid

Anatomy & Physiology