Bio 254 exam 3 Study guides, Study notes & Summaries

BIO 254 EXAM 1 | QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ What does the pancreas produce Correct Answer: insulin and glucagon What secretes digestive enzymes into small intestine analyze hormones to travel all over body Correct Answer: Exocrine Which hormones do the anterior pituitary (adenohypophysis) produce Correct Answer: GH ACTH TSH FSH LH PRL What hormones do the posterior pituitary (neurohypophysis) produce? Correct Answer: Oxytocin (OT...

Hondros Bio 254 Exam 1 Questions and Answers 100% Solved What are the functions of the lymphatic system? ️️1. Drain excess interstitial fluid 2. Help prevent edema 3. Absorb lipids from the digestive system 4. Defend body from disease What are the organs of the lymphatic system ️️Spleen, lymph nodes, lymphatic vessels Where are lymph nodes found? ️️Everywhere in the body except the CNS ( brain and spinal cord) What does the lymphatic system do? ️️Protects the human bod...

ATI Comprehensive Exit Exam - 180 Correct Questions & Answers 2022/2023 EXIT EXAM 1. A nurse is caring for a client who has given informed consent for ECT. Just before the procedure, the client tells the nurse she is considering not going forward with the treatment. Which of the following statements by the nurse is appropriate? a. “You don’t have to go through with the treatment.” b. “Most people who have this procedure feel better following the treatment.” c. “It’s okay to be nerv...

BIO 254 FINAL EXAM Learning outcomes Questions 100% verified! Distinguish between endocrine and exocrine glands. -ANSWER Endocrine: - ductless (secretion --> blood) - secrete hormones -they control long term of target organs (pituitary and thyroid) Exocrine: - may or may not have ducts - secrete enzymes - control short term (salivary and sweat glands) Explain what makes a cell a target cell for a hormone. -ANSWER Target cells contain protein or glycoprotein receptors, that are sp...

Hondros Bio 254 Exam 1 Questions and Answers 100% Solved What are the functions of the lymphatic system? ️️1. Drain excess interstitial fluid 2. Help prevent edema 3. Absorb lipids from the digestive system 4. Defend body from disease What are the organs of the lymphatic system ️️Spleen, lymph nodes, lymphatic vessels Where are lymph nodes found? ️️Everywhere in the body except the CNS ( brain and spinal cord) What does the lymphatic system do? ️️Protects the human bod...

BIO 254 Final Exam correct 100%(rated A) Trends in Plant Evolution Chlorophyta ancestor -ANSWER ancestor of modern land plants: - Spores produced in tetrads - Parental plant retains fertilized egg - Alteration of generations: haploid gametophyte & diploid sporophyte -Biochemical similarity: chlorophylls & starch Trends in Plant Evolution Vascular tissue -ANSWER -Lower devonian --first fossil evidence of vascular tissue and stomates -Mid devonian --evidence of secondary xylem - Pr...

BIO 254 Exam 2 accurate 100%(rated A)function of diaphragm -ANSWER muscle used in breathing 3 requirements for muscle contraction -ANSWER ATP, Calcium, and ACH Function of sarcoplasmic reticulum -ANSWER store calcium and release calcium during muscle contraction Function of acetylcholinesterase -ANSWER Enzyme that breaks down ACH/prevention of ACH accumulation Agonist vs Antagonist -ANSWER Agonist relaxes while Antagonist contracts (bicep/tricep_ Synergist -ANSWER Group of muscles...

BIO 254 Exam 2 accurate 100%(rated A)Musclularis layer is responsible for - ANSWERPeristalsis Epiglottis is attached to the - ANSWERlarynx Where does peristalsis occur? - ANSWERfrom esophagus to anus cells that secrete hydrochloric acid - ANSWERparietal cells what does lipids break down to - ANSWERglycerol and fatty acids main function of liver - ANSWERmake bile inner lining folds of the stomach - ANSWERRugae 3 salivary glands - ANSWERparotid, submandibular, sublingual Li...

What is dopamine? -ANSWER A neurotransmitter of the brain -Can be associated with pleasure/reward (addictions) What is Parkinson's Disease? -ANSWER When the brain doesn't produce enough dopamine (too little dopamine) Is Parkinson's genetic or environmental? -ANSWER There are factors in both. It is not strictly inherited, but does run in families. (We don't technically know) What is the Blood Brain barrier? -ANSWER An outer layer of cells that surrounds the capillaries and only oxyg...