BIOL 1593 Final Complete Exam 2025

BIOL 1593 Final Complete Exam 2025 Which of the following lists is arranged in the correct order from the most complex to the simplest level? a) Cellular, tissue, chemical, system, organ, organism b) Chemical, cellular, tissue, organ, system, organism c) Tissue, cellular, chemical, organ, system, organism d) Organ, organism, chemical, cellular, tissue, system e) Organism, system, organ, tissue, cellular, chemical - ANSWER-E _______________ is the change that a cell undergoes from an unspecialized to a specialized state. a) Differentiation b) Metabolism c) Movement d) Reproduction e) Responsiveness - ANSWER-A 3. The human skin belongs to what major body system? a) Digestive b) Endocrine c) Integumentary d) Nervous e) Skeletal - ANSWER-C Which plane is vertical and divides the body into right and left sections? a) Coronal b) Frontal c) Horizontal d) Transverse e) Sagittal - ANSWER-E Which of the following are considered to be dorsal (posterior) body cavities? a) Cranial and pericardial cavities b) Cranial and vertebral cavities c) Pleural and abdominal cavities d) Pelvic and spinal cavities - ANSWER-B Which directional terms describe the relationship of your navel to your right shoulder? a) Inferior and medial b) Inferior and lateral c) Superior and medial Biol 1593 Biol 1593 d) Superior and lateral - ANSWER-A Which directional term means nearer to or at the front of the body? a) Anterior b) Inferior c) Medial d) Posterior e) Superior - ANSWER-A Which directional term means farther from the midline? a) Contralateral b) Distal c) Lateral d) Prone e) Proximal - ANSWER-C The description of any region of the body, such as directions and planes, assumes that the body is in the _____________ position. a) Prone b) Supine c) Sitting d) Anatomical e) Cadaver - ANSWER-D A feedback system consists of three basic components: a control centre, a receptor, and a(n): a) Effector. b) Integrator. c) Monitor. d) Power pack. e) Regulator. - ANSWER-A If a response enhances an original stimulus, the system is classified as a ____________ feedback system. a) Deficit b) Negative c) Neutral d) Polarized e) Positive - ANSWER-E The homeostatic responses of the body are regulated by which two systems? a) Digestive, urinary b) Reproductive, endocrine c) Endocrine, nervous Biol 1593 Biol 1593 d) Cardiovascular, respiratory e) Skeletal, muscular - ANSWER-C Which of the following would be the smallest in size? a) Atom b) Compound c) Electron d) Ion e) Proton - ANSWER-C The atoms of the isotopes of a particular element vary in their number of: a) Protons. b) Neutrons. c) Electrons. d) Protons and neutrons. - ANSWER-B Which element is needed for clotting and muscle contraction, and contributes to the hardness of teeth and bone? a) Calcium b) Hydrogen c) Iron d) Nitrogen e) Oxygen - ANSWER-A Which of the following is not a trace element? a) Chromium b) Copper c) Fluorine d) Phosphorus e) Tin - ANSWER-D Which of the following is the most abundant inorganic substance in humans? a) Carbohydrate b) Lipid c) Oxygen d) Protein e) Water - ANSWER-E What type of bonds hold water molecules together? a) Hydrogen bonds b) Covalent bonds c) Ionic bonds d) Non-polar bonds e) Both b and d - ANSWER-B Biol 1593 Biol 1593 An acid is a substance that dissociates in water into one or more _______ ions and one or more __________. a) Hydroxide/anions b) Hydroxide/cations c) Hydrogen/cations d) Hydrogen/anions - ANSWER-D Which of the following is considered to be neutral on the pH scale? a) Pure urine b) Pure water c) Pure blood d) Pure saliva e) Pure semen - ANSWER-B The more _____________ ions are present in a solution, the more basic the solution. a) Hydrogen b) Hydroxide c) Oxygen d) Neutral - ANSWER-B Organic compounds always contain: a) Hydrogen and carbon. b) Oxygen and carbon. c) Iron and hydrogen. d) Zinc and oxygen. e) Iron and oxygen. - ANSWER-A Which of the following elements are found in carbohydrates? a) Carbon/iron/oxygen b) Zinc/hydrogen/iron c) Hydrogen/iron/carbon d) Oxygen/carbon/hydrogen e) Zinc/carbon/oxygen - ANSWER-D The most plentiful lipid in the human body is: a) Glycolipid. b) Phosphoglyceride c) Prostaglandin. d) Steroid. e) Triglyceride. - ANSWER-E "Saturated fat" is saturated with: a) Aluminum. b) Carbon. c) Hydrogen. Biol 1593 Biol 1593 d) Iron. e) Oxygen. - ANSWER-C Steroids are classified as: a) Carbohydrates. b) Lipids. c) Protein. d) Nucleotides - ANSWER-B In RNA, the base that is present instead of thymine is: a) Adenine. b) Cytosine. c) Guanine. d) Uracil. - ANSWER-D ATP belongs to the category of compounds known as: a) Carbohydrates. b) Proteins. c) Lipids. d) Inorganic. e) Nucleic acids. - ANSWER-E The cellular contents located between the outer limiting membrane of a cell and its nucleus are collectively known as: a) Cytoplasm. b) Inclusions. c) Organelles. d) Systems. e) Tissues. - ANSWER-A Which lipids compose approximately three-fourths of the lipids in the plasma membrane of a human cell? a) Cholesterol b) Glycolipids c) Phospholipids d) Terpe