Considering conduction rates in myocardial cells, which statement is TRUE?

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Cardiovascular Nursing Questions Questions

Question 1 of 5

Considering conduction rates in myocardial cells, which statement is TRUE?

Correct Answer: B

Rationale: Perkinje fibres are fast-conducting fibres capable of transmitting depolarisation at speeds up to 4 m/sec.

Question 2 of 5

Identify the vessel(s) that return blood to the left atrium.

Correct Answer: D

Rationale: The left atrium receives oxygenated blood from the right and left pulmonary veins.

Question 3 of 5

A heart rate of less than 60 beats per minute is called

Correct Answer: D

Rationale: Bradycardia is defined as a heart rate below 60 beats per minute.

Question 4 of 5

The fluid that surrounds the cells of the body is called:

Correct Answer: D

Rationale: Tissue fluid, also known as interstitial fluid, bathes the cells of the body and facilitates the exchange of nutrients, gases, and waste products.

Question 5 of 5

Two of the more common pulse points are the:

Correct Answer: A

Rationale: The common carotid artery (neck) and radial artery (wrist) are easily accessible and commonly used to check pulse.

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