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BIO 255 EXAM 4 Questions and Answers After the tertiary bronchi, the next smaller branch of the respiratory passageway is (are) the terminal bronchioles. The nose serves all the following functions EXCEPT proprioception. Most inspired particles such as dust fail to reach the lungs because of the ciliated mucous lining in the nose. Which would be considered part of the respiratory zone of the respiratory system? alveoli Air and food are routed into the proper chan...

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2 pages

Written in 2025/2026

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BioS255 comprehensive exam Questions and Answers Function of nervous system -Control of body's internal environment to maintain 'homeostasis' -Programming of spinal cord reflexes -Memory and learning -Voluntary control of movement Positive & negative feedback A positive feedback loop causes a self-amplifying cycle where a physiological change leads to even greater change in the same direction. A negative feedback loop is a process in which the body senses a change, and act...

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5 pages

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Bio 255 Exam 3 Questions and Answers CNS consists of the brain and spinal cord peripheral nervous system consists of cranial nerves, spinal nerves, and ganglia collect info, process info, respond to stimuli nervous tissue functions: afferent sends info to CNS efferent sends info away from CNS afferent The sensory nervous system is ________________________. efferent The motor nervous system is ________________________. somatic sensory NS p...

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16 pages

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Grade A+

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BIO 255 exam 1 Iowa state Questions and Answers Cytology refers to the study of cells and their internal structures tissues are composed of cells which is an organ of the reproductive system uterus which is an organ of the circulatory system arterioles in the anatomical position, you neck is ______ to your femoral region superior which term means "nearer the midline" medial which term means "away from the head" inferior the mid...

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6 pages

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Grade A+

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BIOS 255 Comprehensive Exams Review Questions and Answers The nervous system does not Direct long-term responses to change Not a characteristic of epithelia Ground substance Not a property of synovial joints Covered by serous membrane Chondroitin sulfate is abundant in the matrix of Cartilage ________ sweat glands are widely distributed across the body surface, ________ glands are located wherever hair follicles exist, and ________ sweat glands are found only in ...

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2 pages

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Grade A+

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BIO 255L Week 7 Questions and Answers Electrical potentials are summed in the neuron and if they reach a threshold, an action potential is conducted away from the cell body starting at this structure Axon Hillock Axons from other neurons synapse mostly with these structures Dendrites What is the name of the glial cells that wrap around the axon? What is the name of the structure these cells form? Schwann Cells (neurolemmocytes) in PNS, or Oligodendrocytes in CNS; They form the ...

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3 pages

Written in 2025/2026

Grade A+

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BIO 255 Exam 1.1 Questions and answers surface anatomy refers to: study of internal structures as related to overlying skin Which best summarizes the relationship of anatomy to physiology? form follows function Advertisement Tissues are composed of: cells Which is one role of the respiratory system? allows gas exchange with the environment Which is one role of the endocrine system? secretes hormones to maintain homeostasis Which is one role of the ...

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3 pages

Written in 2025/2026

Grade A+

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Bio 255 Final Exam Questions and Answers Cell junctions providing a channel allowing chemical substances to pass between cells are Gap junctions. Important peritoneal folds do NOT include the round ligament of the liver. Hormones are transported to their targets via Bloodstream. Where is fundus region of stomach Top near diaphragm. Which directly experiences both increases and decreases in pressure as the stapes presses on the oval window? Scala vestibuli. ...

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6 pages

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Grade A+

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Bio 255 Exam 3 Questions and Answers collect info, process info, respond to stimuli nervous tissue functions: afferent sends info to CNS efferent sends info away from CNS afferent The sensory nervous system is ________________________. efferent The motor nervous system is ________________________. somatic sensory NS part of sensory NS; voluntary; touch, pain, pressure, vibration, proprioception visceral sensory NS part of sensory NS; involuntary;...

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16 pages

Written in 2025/2026

Grade A+

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BIOS 255 edapt 4 Questions and Answers which of the following substances would not transport readily in blood - triglycerides mwhich of the following are functions of the lymphatic syste - immunity and fluid balance which of the following is a function of lymph - transports of lipids from the digestive system what is the major component of blood plasma - water which of the following is not true of capillaries - capillaries have tapered off end before reaching th...

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3 pages

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Grade A+

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Bio 255 exam 4 practice Questions and Answers The circulatory system can help regulate temperature in the body. If the body is overheated, its temperature can be lowered by: increasing blood flow to the capillaries near the skin surface One of the main functions of blood is transport. Which of the following things does blood NOT transport throughout the body? interstitial fluid Which of the following is true about blood plasma? It is about 90% water. Which part of the he...

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2 pages

Written in 2025/2026

Grade A+

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Bio 255 exam 1 Questions and Answers Components of whole blood ~Erythrocytes-RBS ~Leukocytes-WBC ~Plasma Plasma is made of? Water, proteins, nutrients, electrolytes, nitrogenous wastes, hormones and gases Components of form elements ~RBC ~Platelets ~WBC-granulocytes and agranulocytes Ganulocytes neutrophils, eosinophils, basophils Agranulocytes lymphocytes and monocytes Neutrophils Bacterial infections (multi-labed nucleus) Basophils Chicken ...

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5 pages

Written in 2025/2026

Grade A+

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BIO 255 Exam 2 ISU Questions and Answers which is NOT a function of bone ATP storage Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process? osteoclast the humorous is a long bone a meatus is a canal-like passage a head on a bone is a rounded projection on neck the structural unit of compact bone is the osteon bones are covered by a protective tissue called periosteum. the inner (ost...

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3 pages

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EXAM 1 - BIOS255 CHAMBERLAIN Questions and Answers Plasma consists of water, proteins, nutrients, hormones, oxygen, carbon dioxide, electrolytes plasma is ___ percent of blood 55% buffy coat composed of white blood cells and platelets Viscosity resistance of fluid to flow osmolarity dissolved particles in the blood that cannot pass through the blood vessel wall If you need to examine antibodies against a virus in a patient, which part of the blood will yo...

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7 pages

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CHAMBERLAIN BIO 255 COMPREHENSIVE REVIEW Questions and Answers What is positive feedback system? strengthens or reinforces a change in one of the body's controlled conditions. (childbirth, breastfeeding, clotting) What is negative feedback? A response to a change in the body that counteracts or opposes the initial change. What is an example of negative feedback? Temperature, Blood glucose levels, Blood volume/ pH/ composition What is an example of positive feedback? ...

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10 pages

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Anatomy & Physiology III - BIOS 255 (Proficiency Exam Review) Questions and Answers does the right atrium have oxygenated or deoxygenated blood? deoxygenated oxygen is carried by _____ cells. It binds to proteins called _____ that contain iron. erythrocytes; hemoglobin which element is responsible for immune function, clotting, and gas transfer? (in this particular order) leukocytes; platelets; erythrocytes what are the major functions of blood? - plays a role in immune...

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4 pages

Written in 2025/2026

Grade A+

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Bio 255 Exam 1 Iowa State University Questions and Answers anterior toward the front surface ex: the stomach is anterior to spinal cord posterior in back of, toward back surface ex: the heart is posterior to the sternum superior closer to the head ex: chest is superior to the pelvis inferior closer to the feet ex: stomach is inferior to the heart lateral away from the midline of the body ex: the arms are lateral to the heart intermediate proxi...

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3 pages

Written in 2025/2026

Grade A+

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BIO 255 Exam 2 Questions and Answers What are blood vessels channels that carry blood throughout the body Begin and end at your heart What blood vessels are thick? Artery What blood vessels are thin? Veins and Capillary What are the Function of Arteries? Carries oxygenated blood away from the heart *Pulmonary artery is the exception* THICK What are the Function of Vein? Carries deoxygenated blood from body parts to cells *Pulmonary vein is the exc...

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4 pages

Written in 2025/2026

Grade A+

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BIO 255 Comp Review Questions and Answers What type of tissue is associated with basement membrane? Epithelial Tissue What bones are associated with pectoral girdle? Clavicles and Scapulae What type of joint is a knee? hinge joint What is the pigment in your skin that produces different color? Melanin What are the steps of endochondral ossification? 1. Development of the cartilage model 2. Growth of the cartilage model 3. Development of the primary ossificatio...

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4 pages

Written in 2025/2026

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Bios 255 exam 1 Questions and Answers oxygen is carried by _______ cells. it binds to proteins called ______ that contain iron erythrocytes; hemoglobin of the formed elements, which cells are responsible for immune function, clotting, and gas transfer-in that order? leukocytes, platelets, erythrocytes what are the major functions of blood? (you must name 3) 1) plays a role in immune function 2) temp regulation 3) pH regulation 4) gas/nutrients/ waste transport 5) regulates ...

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3 pages

Written in 2025/2026

Grade A+

Pogba119