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ATI LPN · Anatomy and Physiology · Muscular System Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The quadriceps are located on the:

A. anterior abdomen

B. anterior thigh

C. posterior thigh

D. posterior arm

Correct Answer: anterior thigh

Question 2 of 5

After you eat lunch, nerve cells in your stomach respond to the distension (the stimulus) resulting from the food. They relay this information to

A. a control center

B. a set point

C. effectors

D. sensors

Correct Answer: a control center

Question 3 of 5

What are two major disadvantages of MRI scans?

A. release of radiation and poor quality images

B. high cost and the need for shielding from the magnetic signals

C. can only view metabolically active tissues and inadequate availability of equipment

D. release of radiation and the need for a patient to be confined to metal tube for up to 30 minutes

Correct Answer: high cost and the need for shielding from the magnetic signals

Question 4 of 5

The location of a muscle s insertion and origin can determine

A. action

B. the force of contraction

C. muscle name

D. the load a muscle can carry

Correct Answer: action

Question 5 of 5

Which of the following muscles causes the wrist to bend?

A. extensor digitorum

B. extensor carpi ulnaris

C. flexor digitorum profundus

D. abductor pollicis longus

Correct Answer: extensor carpi ulnaris

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