Unit Test Answers

What structure(s) in the cardiovascular system connect arteries to veins?

Which best describes the top and bottom images of muscle contraction?

Which part of the neuron below is indicated by the arrow, and what is its function?

Which description applies to hinge joints?

Mariana’s teacher has asked her to determine the type of a sample of blood. After doing some tests, she has learned that the red blood cell of the sample has no antigens on it and that the plasma contains both A and B antibodies. What is the type of the blood sample?

Which best describes sensory and motor neurons?

Dopamine is a neurotransmitter that when released in the brain tends to make a person feel happy. Certain drugs stop the synapses from removing neurotransmitters. When these drugs cause an increase in the amount of neurotransmitters in the synapses, which response would be increased?

Carpal tunnel syndrome results from too much pressure being applied to the median sensory nerve (pictured below in yellow). Which is a possible symptom of this disorder?

Yolanda pricked her finger on a sharp object. Which type of neuron allowed her body to cause the movement that removed her hand from the sharp object?

Which lists the correct order of events in the healing of cuts?

Why is blood clotting important?

Keisha cut her hand, which caused a lot of bleeding. Which mechanism did her body use to minimize the blood loss?

Which component of the cardiovascular system allows the body to function by supplying the cells with oxygen?

What is the function of the type of muscle that is pictured below?