Enzymes All enzymes are globular proteins and round in shape They have the suffix "-ase" Intracellular enzymes are found inside the cell Extracellular enzymes act outside the cell (e.g. digestive enzymes) Enzymes are catalysts → speed up chemical reactions Reduce activation energy required to start a reaction between molecules Substrates (reactants) are converted into products Reaction may not take place in absence of enzymes (each enzyme has a specific catalytic action) Enzymes catalyse
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DEFINE REFLEX REFLEXES ARE RAPID‚ PREDICTABLE‚ INVOLUNTARY MOTOR RESPONSES TO STIMULI; THEY ARE MEDIATED OVER NEURAL PATHWAYS CALLED REFLEX ARCS. NAME FIVE ESSENTIAL COMPONENTS OF A REFLEX RECEPTOR‚ SENSORY NEURON‚ INTERGRATION CENTER‚ MOTOR NEURON‚ AND EFFECTOR IN GENERAL‚ WHAT IS THE IMPORTANCE OF REFLEX TESTING IN A ROUTINE PHYSICAL EXAMINATION? IT IS AN IMPORTANT DIAGNOSTIC TOOK FOR ASSESSING THE CONDITION OF THE NERVOUS SYSTEM. IT HELPS TO INDICATE DEGENERATION OR PATHOLOGY OF PORTIONS
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MEDICAL TERMINOLOGY i rESOURCE aSSIGNMENT Medical Abbreviations Prepared by: Bonnie Henry May 23‚ 2013 MEDICAL TERMINOLOGY i rESOURCE aSSIGNMENT Medical Abbreviations Prepared by: Bonnie Henry May 23‚ 2013 Instructor: Rosemary O’Brien‚ MSN‚ RN Pennsylvania Institute of Health and Technology Instructor: Rosemary O’Brien‚ MSN‚ RN Pennsylvania Institute of Health and Technology INTEGUMENTARY SYSTEM Diseases/Disorders BCC Basil Cell Carcinoma CMV Cytomegalovirus HSV-1 Herpes
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Chapter 16 The Autonomic Nervous System Sympathetic (Thoraco-lumbar) division Parasympathetic (Cranial-sacral) division Somatic Motor vs Visceral Motor ■ ■ ■ ■ Somatic motor is directed from cortical levels to skeletal muscles and is voluntary. Visceral motor is directed from hypothalamus and midbrain and is involuntary‚ but has input from cortex and thalamus. Somatic lower motor neuron is in ventral horn of gray matter and neurotransmitter at skeletal muscle is Ach. Visceral motor comes from
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Chapters 9 and 10 HOMEWORK 9.1 The Respiratory System 1. Summarize the role of the respiratory system. 2. Distinguish between inspiration and expiration. 3. Identify the structures of the human respiratory system. 9.2 The Upper Respiratory Tract 1. Summarize the role of the nose‚ pharynx‚ and larynx in respiration. 2. Identify the structures of the upper respiratory system and provide their function. 3. Explain how sound is produced by the larynx. 9.3 The Lower Respiratory
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the transitional epithelium‚ and most often affect the transitional cells. It may also be called transitional cell carcinoma or even urothelial carcinoma. Urothelial carcinoma is also a term used for transitional cell cancer in the renal pelvis‚ ureters‚ and urethra. Bladder cancer is a relatively common disease. It is the fourth leading cancer among men (following prostate‚ lung‚ colorectal cancers)‚ and the tenth leading cancer among women; occurring in men about three times more often than
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Define UTI ( Urinary Tract Infection) A urinary tract infection (UTI) is an infection in any part of your urinary system — your kidneys‚ ureters‚ bladder and urethra. Most infections involve the lower urinary tract — the bladder and the urethra. Women are at greater risk of developing a UTI than men are. Infection limited to your bladder can be painful and annoying. However‚ serious consequences can occur if a UTI spreads to your kidneys. Antibiotics are the typical treatment for a UTI. But you
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too large to fit through the filtration slits c- All proteins filtered are subsequently degraded before elimination d- The negative charge of the glomerular filtration membrane repels the plasma proteins 4) Just before entering the ureter‚ urine passes through the: a- Collecting duct b- Renal pelvis c- Urethra d- Major calyx 5) The filtration of the plasma per unit of time is known as the glomerular filtration rate (GFR). GFR is directly related to the: a-
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inner lining of the stomach Wavy long rides with circular endings List the organs found in the thoracic cavity Larynx‚ trachea‚ heart‚ left lung‚ esophagus‚ left kidney‚ aorta‚ bladder‚ umbilical cord‚ urogenital opening‚ penis‚ scrotal sac‚ rectum‚ ureter‚ right kidney‚ inferior vena cava‚ umbilical vein‚ hepatic veins‚ right lung‚ thyroid gland Blood is pumped from the left atrium to the left ventricle and out the aorta Ventricle - thicker Atrium - thiner Place your index finger on the trochea
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Chapter 46-47: Reproduction and Development ____ 1. Which of the following are possible advantages of asexual reproduction? a. It allows the species to endure periods of fluctuating or unstable environmental conditions. b. It enhances genetic variability in the species. c. It enables the species to colonize new regions rapidly. d. Both A and B are true. e. A‚ B‚ and C are true. 2. Why is sexual reproduction important? a. It allows animals to conserve resources and reproduce only during optimal conditions
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