Biol 252 exam 3 Study guides, Class notes & Summaries

BIOL 252 Exam 3 Questions and Answers

BIOL 252 Exam 3 Questions And Answers All Correct A _________ with a __________Diameter carries electrical impulses the fastest Myelinated, Large The finger-like projections extending from the neuron's cell body that are most frequently the site of stimulation and formation of graded potentials are called Dendrites Sense When a stimulus activates its specific sensory receptor. Perceive The process of your brain interpreting all the stimuli at a given time​ Receptors ca...

3 Major parts of the cardiovascular system - ANSWER - blood - heart - blood vessels blood - ANSWER carries important "stuff" through the body • stuff = amino acids, glucose, vitamins, oxygen, CO2, etc. Composition of the Blood - ANSWER - 55% plasma → fluids, proteins, nutrients - 45% formed elements formed elements - ANSWER • red blood cells (erythrocytes) • white blood cells (leukocytes) • platelets (thrombocytes) Plasma - ANSWER - water (90% of plasma) - proteins...

BIOL 252 Exam 3 Questions and Answers

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 ...

Where would you expect to find dense regular elastic connective tissue? - ANSWER aorta What do you expect brown fat to produce low levels of given the cell's role in thermogeneration? - ANSWER ATP Where would you expect to find Fibrocartilage? - ANSWER Between the femur and tibia of the knee joint Which best describes why doctors recommend that women, who are prone to estrogen-dependent osteoperosis, take calcium suppliments? - ANSWER Women cannot make Ca2+, which is essential to maint...

Section Exam #5 Ecology, 252 Exam 4, Exam 1 252, Biology 252 - Midterm #3, BIOL 252 - Exam 2 Exam Verified Answers 2024

cardiocytes - ANSWER contractile cells of the heart desmosomes - ANSWER attach cardiocytes together. When one cell contracts, the other will not separate. Think of them like glue between the cells. Connected via gap junctions Electrical and chemical coupling The heart muscle acts as a single functional unit If you had designed a heart, in which the heart muscle cells can contract in unison, what would you do? - ANSWER Innervate only a few muscle cells and have them attach to each other...

1. Myocyte Muscle cell 2. Sarcolemma Plasma membrane of myocyte 3. Sarcoplasm Cytoplasm of myocyte 4. Myofibril Tightly packed filament bundles found within skeletal muscle fibers. Contractional unit of a muscle cell. 5. Sarcoplasmic reticulum Site of calcium storage in a muscle cell. Surrounds the myofibrils 6. Transverse tubules (T-tubule) Inward extensions of the sarcolemma that dive into the muscle fiber and surround each myofibril to form a tunnel- like network within the musc...