Q: What are the areas located at fixed distances from the nucleus of the atom? Choices: - molar levels - atomic regions - orbit points - energy levels A:
energy levels

(Question)
Q: What is it in bone marrow transplants that may cause a graft versus host reaction? Choices: - tumors - neutrophils - cancer - lymphocytes A:
(Answer)
lymphocytes

Ques: Q: What is the outer layer of an axon that acts like a layer of insulation, similar to the plastic that encases an electrical cord? Choices: - lipids sheath - nerve sheath - layer sheath - myelin sheath A:
Ans: myelin sheath

(Q).
Q: What happens to the volume of the gas when temperature increases but amount of gas and its pressure are constant? Choices: - nothing - volume remains constant - volume decreases - volume increases A:
(A).
volume increases

Ques:Q: A machine is any device that makes work easier by doing what? Choices: - moving things - changing molecules - removing barriers - changing a force A:

Ans:changing a force

Ques: Q: Each vertebral body has a large hole in the center through which the nerves of what pass? Choices: - layers cord - Brain Cord - steering cord - spinal cord A:
Ans:
spinal cord