The ability of the heart muscle cells to shorten in response to an electrical impulse is known as:

A. automaticity.
B. excitability.
C. contractility.
D. conductivity.


Answer: C

Health Professions

You might also like to view...

The basilar membrane

A) is flaccid at the apex. B) consists primarily of otoliths. C) is another name for Reissner's membrane. D) is conical in shape.

Health Professions

Determine the percentage of occupancy for the year to two decimal places.St. John's HospitalJanuary - February (non-leap year)Inpatient service days = 2500, Bed count = 50March - MayInpatient service days = 4518, Bed count = 55June - AugustInpatient service days = 5225, Bed count = 60September - DecemberInpatient service days = 4857, Bed count = 45

Fill in the blank(s) with the appropriate word(s).

Health Professions

When are you obligated to ensure that information remains confidential?

A) Whenever the client tells you something B) When you are speaking to the client's parents C) When you write anything that identifies a client by name D) When you are writing letters of appeal to the client's insurer

Health Professions

The measured pressure in a gas-filled cylinder is equivalent to which of the following?

a. Its filling density divided by the cylinder gas factor. b. Gas temperature times its coefficient of expansion. c. Gas density divided by the density of air at standard temperature, standard pres-sure, dry (STPD). d. The force required to compress its volume within the cylinder.

Health Professions