HBIO 301

USC HBIO 301 EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Hierarchy of Structural Organization Chemical- chemical, mechanical, or electrical events that occur within and between cells Cellular- fundamental compartments of all living things and the molecules/organelles working together Tissue- groups of cells working together to perform a common function Organ- a group of tissues working together to perform specific functions. Organ systems- group of organ...

ANATOMY (HBIO 301) CHAPTER 1 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What are the six levels of organization? 1. Chemical 2. Cell 3. Tissue 4. Organ 5. Organ System 6. Organism Define the chemical level of organization The chemical, mechanical, and electrical events that occur between and within cells. Atoms combine to form molecules and molecules combine to form macromolecules. 10^27 molecules in our body. Define the cellular level of organization...

HBIO 301 CHAPTER 22 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ What are the primary functions of the respiratory system? External respiration Pulmonary ventilation Protect respiratory surfaces Produce sound Provide olfactory sensation How is O2 obtained from the air? By diffusion across delicate lung surfaces and carried to cells by the cardiovascular system What do cells produce through mechanisms that use O2 and produce CO2? Produce energy for maintenance, growth...

HBIO 301 CHAPTER 9 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ What are the structural classifications of joints? Fibrous Cartilaginous Synovial How do fibrous joints unite bones? By collagenic fibers How do cartilaginous joints unite bones? By hyaline cartilage and fibrocartilage How do synovial joints unite bones? Bones separated by joint cavity and covered with articular cartilage Enclosed with an articular capsule and line with synovial membrane What are the f...

HBIO 301 CHAPTER 20 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What is the vaso vasorum? Supplies very large veins with their own blood supply Overcomes the little amount of diffusion that happens from the middle of the artery/vein to the outside Are arteries or veins more elastic? Arteries because they have to put up with higher BP going through them What does contractility of arteries do? Changes vessel diameter via sympathetic division of ANS What is...

HBIO 301 CHAPTER 18 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ What are the 5 functions of blood? 1. Transport dissolved substances 2. Regulation of pH and ion composition 3. Clotting 4. Defense against toxins and pathogens (leukocytes) 5. Stabilizes body temperature What are the primary constituents of blood? Plasma Buffy coat Erthyrocytes What percent of whole blood does plasma make up? What does it do? 55% Exchange water, ions, and small molecules (no protein...

HBIO 301 CHAPTER 16 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What are the 5 special senses? 1. Gustation - taste 2. Olfaction - smell 3. Vision 4. Equilibrium 5. Hearing Why are special senses different from general somatic senses? Special senses have distinct special sensory receptors rather than being widely distributed throughout the body Where are the olfactory organs located? Olfactory epithelium (nasal cavity) What are the layers of the olfac...

HBIO 301 CHAPTER 14 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What are the major divisions of the PNS? - Sensory (afferent) - Motor (eferent) How is the sensory division further classified? Somatic sensory (general and special) Visceral sensory (general and special) What are general somatic senses? touch, pain, pressure, vibration, temperature, and proprioception What are special somatic senses? hearing, equilibrium, vision What are general visceral...

HBIO 301 CHAPTER 17 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Which organs are true endocrine organs? Hypothalamus, pituitary, thyroid, adrenal, pancreas, pineal, and parathyroid Which organs are secondary endocrine organs? Heart, skin, thymus, adipose tissue, digestive tract, gonads What does the anterior pituitary lobe secrete? ACTH, TSH, GH, PRL, FSH, LH, MSH What does the posterior lobe of the pituitary secrete? Oxytocin, ADH What does the thyroid...

HBIO 301 CHAPTER 13 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What are the 5 structures in the 5 week old brain that eventually give rise to major brain structures in adults? Telencephalon (endbrain) Diencephalon (throughbrain) Mesencephalon (midbrain) Metencephalon (after brain) Myelencephalon (spinal cord) What does the telencephalon become in the adult? Cerebrum Cerebral hemispheres Lateral Ventricles What does the diencephalon become in the adul...