Bsc 2 - Study guides, Class notes & Summaries

Accesories of the Afferent Division of the Nervous system Correct Answer-1. Receptors - detects stimuli 2. Sensory neurons - relays sensory information towards the CNS *receives input from dendrites, uses axon to send it to CNS* 3. Sensory pathways - nerves, nuclei, and tracts that deliver sensory information to the CNS Accesories of the Efferent Division of the Nervous system Correct Answer-1. Nuclei - contain cell bodies of motor neurons 2. Motor neurons - send commands to effect...

In which of the following examples would sepeciation most likely occur? A) Two populations of oak trees begin releasing pollen at different times of the year, one in the spring and the other in the fall B) Unseasonably warm temperatures cause an unusual low pressure zone over the Caribbean leading to a hurricane that eradicates a population of parrots on the island of Saba C) The Fukushima nuclear power plant fails and leaks radioactive water into the ocean causing sterility among an entire p...

Which of the following is not true of saliva? Cleanses the mouth Contains enzymes that begin the breakdown of carbohydrates Moistens food and aids in compacting of the bolus Contains acids which aid in chemical digestion Correct Answer-Contains enzymes that begin the breakdown of carbohydrates Short-chain triglycerides found in foods such as butterfat molecules in milk are split by a specific enzyme in preparation for absorption. Which of the following enzymes is responsible? A...

A healthy adult male has approximately __________ liters of blood. Correct Answer-The average volume of circulating blood is approximately 5-6 liters in males and approximately 4-5 liters in females. Answer: 5-6 A major plasma protein that maintains the blood osmotic pressure is __________. Correct Answer-Answer: albumin Albumin constitutes 60% of plasma protein and primarily functions in maintaining water balance between blood and body tissues. Diapedesis refers to __________. Corre...

Function of Cardiovascular System Correct Answer-1. Transportation of substances around body 2.Protect body against infection and blood loss 3.Thermoregulation 4.Maintain Fluid Balance Function of Respiratory System Correct Answer-Supply oxygen to all parts of body Function of Renal System Correct Answer-1. Remove liquid waste from body in the form of urine. 2. Keep stable balance of salts and other substances in the blood. 3. Produce Erythropoietin (formation of red blood cells). ...

where is the pituitary gland? Correct Answer-at the base of the brain what hormones does the anterior lobe of the pituitary gland produce? Correct Answer-TSH, ACTH, GH, PRL, FSH, LH, and MSH what hormones does the posterior lobe of the pituitary gland produce? Correct Answer-OT and ADH where is the pineal gland? Correct Answer-in the brain (above the cerebellum) what hormone(s) does the pineal gland secrete? Correct Answer-melatonin- contributes to biological clock Where is the th...

Each of the following organs is a component of the digestive tract, except the: Correct Answer-spleen Which of the following is an accessory organ of digestion? Correct Answer-pancreas Mechanical digestion Correct Answer-chewing and mixing of the food Chemical digestion Correct Answer-stomach - HCl & pepsin forms chyme - mouth salivary amylase breaks down - small intestine specifically the duodenum Which of the following is a not function of the digestive tract? Correct Answer-filtra...

8) Charles Darwin was the first person to propose A) that evolution occurs. B) a mechanism for how evolution occurs. C) that Earth is older than a few thousand years. D) a mechanism for evolution that was supported by evidence. E) that population growth can outpace the growth of food resources. - ANSWER ☑☑D) a mechanism for evolution that was supported by evidence 9) Which of these conditions should completely prevent the occurrence of natural selection in a population over time? A...

What are Decubitus ulcers? - ️️-bedsores caused by problems with dermal circulation -Caused by compression of superficial blood vessels -Sores most common on skin covering joints or bony prominences -Affects epidermis and dermis: Kills epithelial cells (easier for bacteria to invade) and Erodes dermal tissues What is the Stratum Basale? - ️️-Is attached to basement membrane by hemidesmosomes -Forms a strong bond between epidermis and dermis -Forms epidermal ridges (basis of fing...

BSC 2085 Exam 2 Questions and Answers 100% Pass Integumentary System- weight and area - Answer- Is the largest system of the body 16% of body weight 1.5 to 2 m2 in area How many parts makeup the integumentary system? - Answer- The integument is made up of two parts 1. Cutaneous membrane (skin) 2. Accessory structures Describe the Cutaneous Membrane - Answer- consist of two components: Outer epidermis Superficial epithelium (epithelial tissues) Inner dermis Connective tissues Access...