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Anatomy and Physiology Quiz 1

1. Which of these statements is true?

A.Pulmonary circulation relates to the flow of blood between the heart and lungs

B.The aorta is one of the major veins delivering blood to the heart

C.All vertebrates have a four-chambered heart

D.All of the above

2. If a person's thyroid gland is malfunctioning, which of the following consequences will be readily observed?

A.There are no obvious symptoms

B.The patient will gain or lose weight drastically

C.The patient will become very angry

3. Which of the following is NOT a function of the autonomic nervous system?

A.Your pupils dilate in response to the light level of a room.

B.You want to reach a can of beans on the top shelf, so you raise your arm above your head.

C.Your breathing rate increases as the stress hormone cortisol is applied to your system.

D.None of the above.

4. When thyroid hormone levels are low, the pituitary gland will release ______ TSH?

A.Less

B.More

C.No change

D.Tapered

5. Which of these refers to structures within a neuron?

A.Soma

B.Dendrite

C.Axon

D.All of the Above

6. A pacemaker is a small electrical device inserted into the chest, which sends a repetitive signal to the sinoatrial node. Why would this be necessary?

A.The cardiac cycle is off, which is controlled by the node

B.The extra electricity helps stimulate stronger heart contractions, for weak blood pressure

C.The electricity counters the heartbeat, slowing the heart for people with high blood pressure

D.All of the above

7. Why do diseases involving abnormally folded proteins preferentially attack the nervous system?

A.There are more proteins in neurons

B.Neurons do not have the capacity to rectify misfolded proteins

C.Neurons have a limited capacity for regeneration

D.All of the Above

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