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Biology Dictionary

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Anatomy and Physiology Quiz 1

1. How will light affect melatonin secretion? Choose the best answer.

A.Increase

B.Decrease

C.No Effect

D.None of the above

2. 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

3. Which area of the body DOES NOT have an endocrine gland?

A.The brain

B.The neck

C.The gonads

D.None of the above.

4. What is the role of the pancreas within the endocrine system?

A.To produce digestive enzymes.

B.To produce hormones like insulin and glucagon.

C.Neither of these functions

5. 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

6. Which of the following is released by the posterior pituitary?

A.Prolactin

B.ACTH

C.Oxytocin

D.Growth Hormone

7. Which of these statements about T-cell maturation is true?

A.Positive selection allows T-cells that can recognize specific pathogenic antigens to proliferate

B.Negative selection allows T-cells that do not recognize self-antigens to proliferate

C.T-cell maturation occurs in the thymus