Free Basic CBET Test Question and Answers

Question 1

In which one of the following muscle types are the filaments disorganized?

Accepted Answer

Smooth

Answer

Smooth muscle cells lack the highly organized sarcomeres and striations characteristic of skeletal and cardiac muscle. Their actin and myosin filaments are arranged in a more haphazard, crisscrossing pattern throughout the cytoplasm. This less organized arrangement allows smooth muscle to contract and stretch over a wider range of lengths, which is crucial for its function in organs like the digestive tract and blood vessels.

Question 2

The usage of a pressured flow blood warmer has been reported to make a lot of noise. Which is NOT the most probable reason for this complaint?

Accepted Answer

A faulty peristaltic pump

Answer

Pressured flow blood warmers typically use a dry heat method to warm blood as it passes through a disposable cassette or tubing. They do not commonly incorporate peristaltic pumps, which are used to precisely control fluid flow in devices like infusion pumps. Therefore, a faulty peristaltic pump is highly unlikely to be the cause of noise in a pressured flow blood warmer, while mechanical issues like loose parts or a faulty compressor are more probable.

Question 3

Which of the following best sums up the function of PING?

Accepted Answer

PING sends data to check the time to send and receive messages

Answer

PING (Packet Internet Groper) is a fundamental network utility designed to test the reachability of a host on an Internet Protocol (IP) network. It functions by sending ICMP echo request packets to a target and measuring the round-trip time for the echo reply packets. This process helps determine if a host is active and how long it takes for data to travel to and from that host, making it ideal for checking network connectivity and latency.

Question 4

Which of the following elements is found in the hemodialysis circuit after filtration?

Accepted Answer

Air trap

Answer

In a hemodialysis circuit, the blood is processed outside the patient's body. After the blood has passed through the dialyzer (filter) and before it is returned to the patient, an air trap is a critical safety component. Its function is to capture any air bubbles that may have entered the circuit, preventing them from being infused back into the patient, which could cause a dangerous air embolism.

Question 5

Which of the following does NOT arise frequently from utilizing heart-lung machines?

Accepted Answer

Heparin thickens the blood prior to recirculation

Answer

Heparin is an anticoagulant, meaning it is used to prevent blood from clotting. In heart-lung machines, heparin is administered to thin the blood and ensure it flows smoothly through the extracorporeal circuit without forming dangerous clots. Therefore, the statement that heparin thickens the blood is false; its purpose is precisely the opposite, to prevent coagulation.

CBET - Certified Biomedical Equipment Technician Practice Test

CBET - Certified Biomedical Equipment Technician Practice Test

Free Basic CBET Test Question and Answers