A&P Midterm 2024

Front

How many lumbrical muscles are there in the foot?

Back

Four

Front

What is the tough, shiny, white membrane that covers bones called?

Back

Periosteum

Front

What is the action of the Extensor Digitorum?

Back

Extension of the digits at the interphalangeal and metacarpophalangeal joints

Front

Where does the psoas major muscle originate?

Back

Lumbar vertebrae

Front

What is the likely consequence of radial nerve damage in a mid-shaft fracture of the humerus?

Back

Paralysis of the wrist extensors, resulting in 'wrist drop'.

Front

Define 'Periosteum'.

Back

A tough, shiny, white membrane that covers the outer surface of bones.

Front

What are lumbrical muscles?

Back

Muscles in the hand and foot that flex the metacarpophalangeal joints and extend the interphalangeal joints.

Front

What is the function of the Extensor Digitorum?

Back

To extend the fingers at the metacarpophalangeal and interphalangeal joints.

Front

What is the origin of the psoas major muscle?

Back

It originates from the lumbar vertebrae.

Front

What is 'wrist drop'?

Back

A condition caused by paralysis of the wrist extensors, leading to inability to extend the wrist.