Using high-frequency sound waves to create an image of the heart ...

[sam.t96]

Using high-frequency sound waves to create an image of the heart is known as ________.
 
  A) electrocardiography
  B) auscultation
  C) Holter monitoring
  D) echocardiography

Question 2

Which medical word refers to the retina?
 
  A) optic nerve
  B) fundus
  C) anterior chamber
  D) choroid

[leeeep]

Answer to Question 1

D
Explanation: A) Electrocardiography uses electricity, not sound waves.
B) Auscultation does not create an image of the heart.
C) A Holter monitor does not create an image of the heart.
D) Correct Ech/o- means echo of a sound wave.

Answer to Question 2

B
Explanation: A) The optic nerve enters the retina but does not refer to the retina.
B) Correct The fundus is the rounded structure (retina) that is farthest from the opening (pupil).
C) The anterior chamber is not near the retina.
D) The choroid is the layer beneath the retina, but it does not refer to the retina.

[sam.t96]

Thanks for the timely response, appreciate it

[anyusername12131]

Gracias!