Author Question: Which one of the following best describes the difference between cardiac and smooth muscle? A) ... (Read 74 times)

lidoalex · **on:** Jul 3, 2018

Which one of the following best describes the difference between cardiac and smooth muscle?

A) Cardiac muscle can generate an electrical impulse; smooth muscle cannot.
B) Cardiac muscle is able to extend; smooth muscle can only contract.
C) Cardiac muscle relies on an electrical impulse to be stimulated; smooth muscle does not.
D) Cardiac muscle does not need a blood supply; smooth muscle does.

Question 2

The correct way to place an oropharyngeal airway (OPA) in a child would be:

A) right side up, with the tongue held down with a tongue depressor until it rests in the correct position.
B) from the right corner of the mouth in a sideways fashion, then rotated 90 degrees.
C) upside down until it reaches the roof of the mouth, then rotated 180 degrees.
D) sideways from the corner of the left side of the mouth, then rotated 90 degrees.