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Anatomy and Physiology Quiz 1

1. The lymphatic system is an important part of the circulatory system. What are the major functions of the lymphatic system?

A.To move extracellular fluid around cells.

B.To provide immune cells with access to various tissues for defense.

C.To help regulate blood pressure and the body's fluid content.

D.All of the above.

2. 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

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. A miracle of modern science is the heart transplant. Doctors, using the still viable heart from a deceased person, can replace the heart of someone who has a bad or damaged heart. The doctors simply put the patient on life support, remove their heart, put the new one in and shock it back into rhythm. Why does electricity reactivate the heart?

A.Nerves work by passing electrical signals

B.Muscles are stimulated by electrical signals

C.Once reactivated, the heart tissue can excite itself

5. Match the correct symptom with a deficiency in ACTH, per the article:

A.Erectile dysfunction

B.Nausea

C.Thirst

D.Reduced Muscle Mass

6. What is the main function of the nervous system?

A.To coordinate the activities of different parts of the body

B.To send signals from sensory nerves to the brain.

C.To send signals from the brain to various parts of the body.