Biol 252 Study guides, Class notes & Summaries

BIOL 252 Exam 3 Questions and Answers

kidney functions - ANSWER filter plasma and excrete toxic metabolic wastes; regulate blood volume, pressure, and osmolarity via water output; regulate electrolyte and acid-base balance; secrete erythropoietin; regulate Ca2+ homeostasis and bone metabolism by participating in synthesis of calcitriol; clear hormones and drugs from blood; detoxify free radicals; and help support glucose level in conditions of extreme starvation waste - ANSWER any substance that is useless to the body or present ...

Explain the functional divisions of the nervous system. Include the subdivisions of each. - ANSWER Central Nervous System and Peripheral Nervous System - CNS includes the brain and spinal cord - PNS includes autonomic and somatic nervous systems Are thermoreceptors part of the PNS or CNS? - ANSWER PNS A child eats a whole bottle of salt (NaCl) tablets. What effect does this have on the resting membrane potential? - ANSWER no effect - think of the analogy of adding a handful of sand to t...

BIOL 252 Exam 2 with complete solutions

You are a nurse and obtain the results of the complete blood count (CBC) from your patient below. Which of the following organs may be functioning abnormally? Select all that apply: RBCs: low Hemoglobin: high Hematocrit: slightly low A. Kidney B. Spleen C. Bone - ANSWER A. Kidney B. Spleen C. Bone You are a nurse and obtain the results of the complete blood count (CBC) from your patient below. What can you conclude about your patient RBCs: low Hemoglobin: high Hematocrit: slightly ...

TECHGRADES Biol 252 Test 1 questions and answers 100% verified.   3 characteristics of Neurons - correct answer. 1) excitability- respond to stimuli (environmental changes) 2) conductivity- respond to stimuli by producing electrical signals 3) secretion- end of nerve fiber- neurons secretes a neurotransmitter and stimulates next cell Soma - correct answer. cell body axon hillock - correct answer. -beginning of axon -trigger zone -where neuro...

BIOL 252 Exam 2 with complete solutions

what nervous system does the digestive system use - ANSWER Enteric Nervous System what covers the digestive tract - ANSWER internal lumen Ingestion - ANSWER Taking food in Propulsion - ANSWER Moving through GI tract Digestion - ANSWER mechanical and chemical break down of food Absorption - ANSWER Passing end products from lumen to blood and lymph Tissue of lumen - ANSWER 1. Mucosa 2. Submucosa 3. Muscularis externa 4. Serosa Smooth Muscle layers of the stomach - ANSWER 1....

What do you think would happen if the elastic fibers in tissues were distensible but not elastic? - ANSWER This would cause the tissues to be unable to resume their original shape and size once the stretching forces were removed. Predict what would happen if the tight junctions in blood vessels were not functional. - ANSWER Tight junctions make the spaces between the cells relatively impermeable to water and many solutes. Nonfunctional tight junctions in blood vessels would allow much of the ...

BIOL 252 Exam 3 Questions and Answers