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Biology Dictionary

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Anatomy and Physiology Quiz 1

1. Which of these terms specifically refers to the hardening of arteries through the formation of plaques?

A.Arteriosclerosis

B.Atherosclerosis

C.Arteriolosclerosis

D.All of the above

2. Why aren’t antibiotics useful during a common cold infection?

A.There are too many different viruses

B.Antibiotics only work against bacteria

C.The cause of the common cold is unknown

D.None of the Above

3. If your spinal cord is damaged, why might you lose the ability to move your limbs?

A.The spinal cord carries nerve signals from the brain, to the body, and back again.

B.This does not happen when your spinal cord is damaged.

C.You need your spinal cord to send hormonal signals to your arms and legs.

4. When scientists compared the pineal glands of two birds, one nocturnal and the other diurnal, they noticed that the pineal gland of the nocturnal bird was smaller and less connected. Which hypothesis below supports this finding?

A.This is random, and there is no conclusion that can be drawn.

B.The pineal may be smaller because releasing melatonin would be maladaptive for nocturnal species.

C.The diurnal bird needs sleep, while the nocturnal bird does not

D.None of the Above

5. 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

6. Which of these statements about the CNS is NOT true?

A.The CNS is made of the brain, spinal cord, and cranial nerves

B.The CNS is protected by skeletal structures, three meningeal membranes, and CSF

C.The cerebellum receives auditory and visual stimuli to coordinate autonomic functions

D.None of the above

7. Which condition is marked by a low TSH?

A.Hypothyroidism

B.Hyperthyroidism