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
Transmit impulses to the cell body
An AP is triggered when a threshold stimulus is applied
Diameter of axon and myelination
Brain and spinal cord
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. image called?
Loss of peripheral vision, intraocular pressure exceeding 25 mmHg
What are the endocrine cells in the pancreas called? image called?
Islets of Langerhans
(Sweat, adrenal, parathyroid, pituitary or pineal gland)
What two hormones are responsible for regulating blood calcium levels?
Parathyroid hormone and calcitonin
What hormone is typically regulated by positive feedback? calcium levels?
Epinephrine and norepinephrine
If a mother and her fetus have an incompatible Rh factor, what disorder would result?
Define hemocrit. what disorder would result?
Measure of percent of volume of whole blood that is made up of RBC
Define hemopoiesis. what disorder would result?
Blood cell formation
What prevents blood loss in a damaged vessel? what disorder would result?
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? B+ individuals
Pericardium; protects heart from overextension
What is the function of the atrio-ventricular (AV) valves? B+ individuals
Prevent backflow of blood from ventricles to atrium
What is the pacemaker of the heart? B+ individuals
SA node (sinoatrial node)
How are veins and arteries different structurally? B+ individuals
Veins have valves
What is the function of capillaries? B+ individuals
Exchange of gases and nutrients between cells and blood