Final Exam Review
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Final Exam Review. POWERPOINT JEOPARDY. Nervous System. Senses. Endocrine System. Blood. Circulatory System. 10. 10. 10. 10. 10. 20. 20. 20. 20. 20. 30. 30. 30. 30. 30. 40. 40. 40. 40. 40. 50. 50. 50. 50. 50. What is the function of neuroglial cells?

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Final Exam Review

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Final Exam Review


POWERPOINT JEOPARDY

Nervous System

Senses

Endocrine System

Blood

Circulatory System

10

10

10

10

10

20

20

20

20

20

30

30

30

30

30

40

40

40

40

40

50

50

50

50

50


What is the function of neuroglial cells?

Protection and support of the neurons


What is the function of the dendrite?

Transmit impulses to the cell body


What is the all or nothing principle?

An AP is triggered when a threshold stimulus is applied


What two factors determine the rate of an action potential?

Diameter of axon and myelination


List the two main structures found in the CNS.

Brain and spinal cord


What is the name of the photopigment found in the rods?

Rhodopsin


What is the function of the lens?

Refracts light to be focused on retina


What happens to the ciliary muscles and lens when you look at a distant object?

Muscles relax, lens is elongated


What is the area of the retina that does not produce an image called?

Optic disc (blind spot)


Describe two symptoms of glaucoma.

Loss of peripheral vision, intraocular pressure exceeding 25 mmHg


What are the endocrine cells in the pancreas called?

Islets of Langerhans


Which of the following is not an example of an endocrine gland?

(Sweat, adrenal, parathyroid, pituitary or pineal gland)

Sweat gland


What two hormones are responsible for regulating blood calcium levels?

Parathyroid hormone and calcitonin


What hormone is typically regulated by positive feedback?

Oxytocin


What two hormones are involved in the fight or flight response?

Epinephrine and norepinephrine


If a mother and her fetus have an incompatible Rh factor, what disorder would result?

Erythroblastosis fetalis


Define hemocrit.

Measure of percent of volume of whole blood that is made up of RBC


Define hemopoiesis.

Blood cell formation


What prevents blood loss in a damaged vessel?

Hemostasis (platelet plug formation, vascular spasm, coagulation)


Describe antigens, antibodies and Rh factor found in A- and B+ individuals

A- carries A antigens; anti-B antibodies and no Rh

B+ carries B antigens; anti-A antibodies and Rh


What surrounds the heart? What is its function?

Pericardium; protects heart from overextension


What is the function of the atrio-ventricular (AV) valves?

Prevent backflow of blood from ventricles to atrium


What is the pacemaker of the heart?

SA node (sinoatrial node)


How are veins and arteries different structurally?

Veins have valves


What is the function of capillaries?

Exchange of gases and nutrients between cells and blood


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