TEAS Science: Human Body Systems and Anatomy 2

Question 1

Which structure prevents food from entering the trachea during swallowing?

Accepted Answer

Epiglottis

Answer

The epiglottis is a flap of cartilage that covers the trachea during swallowing to direct food into the esophagus.

Question 2

What is the primary function of red blood cells?

Accepted Answer

Transport oxygen

Answer

Red blood cells contain hemoglobin, which binds and carries oxygen throughout the body.

Question 3

Which part of the nephron is responsible for filtering blood in the kidney?

Accepted Answer

Glomerulus

Answer

The glomerulus is a network of capillaries where initial blood filtration occurs in the nephron.

Question 4

The pancreas releases insulin in response to which condition?

Accepted Answer

High blood glucose

Answer

Insulin is released when blood glucose is high, allowing cells to take up glucose and lowering blood sugar.

Question 5

Which type of muscle is found in the walls of the stomach and intestines?

Accepted Answer

Smooth muscle

Answer

Smooth muscle is involuntary and lines hollow internal organs like the digestive tract.

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