ATI TEAS 7 EXAM WITH ANSWERS (A+)

Contraction occurs when the thin ___ filaments slide past the thicker ____ filaments, causing the sarcomere unit to shorten or contract. - CORRECT ANSWERS-actin and myosin The endocrine system is a collection of ductless glands that produce which of the following responses - CORRECT ANSWERS-A slowly initiating but prolonged response on other body systems Which of the following glands has an exocrine function and aids in the regulation of blood glucose - CORRECT ANSWERS-pancreas Which of the following term refers to the middle layer of the skin that is made of connective tisssue - CORRECT ANSWERS-Dermis Which of the following is produced by the skin when a cholesterol based precursor is modified by the presence of ultraviolet radiation? - CORRECT ANSWERS-Vitamin D Which of the following types of bone cells perform mineral resorption - CORRECT ANSWERS-osteoclasts Inside of adult long bones, yellow bone marrow is located within which of the following? - CORRECT ANSWERS-medullary cavity Which of the following types of tissue serves to fasten and support body parts - CORRECT ANSWERS-Connective Which of the following leaves the body via deferens - CORRECT ANSWERS-Gametes Which of the following reproductive organs produces sperm in males and ova in females - CORRECT ANSWERS-Gonads Which of the following is the term used to describe an action potential jumping from node to node in an axon - CORRECT ANSWERS-Saltatory conduction A polysaccharide can be described as which of the following - CORRECT ANSWERS-A carbohydrate that is made of many sugar molecules Which of the following is a chemical reaction between two molecules in which a water molecule is released and a covalent bond forms - CORRECT ANSWERS-Dehydration reaction Which of the following is a triplet of nitrogenous bases that codes for an amino acid - CORRECT ANSWERS-Codon Inflammation, production of interferon, and ingestion of pathogens by phagocytes are non specific cellular responses by which of the following - CORRECT ANSWERS-The internal aspect of the innate immune system what feature of the adaptive immune system decreases the amount of time it takes for the body to respond to a particular antigen? - CORRECT ANSWERS-memory cells Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never reaches the Purkinje fibers of the heart? - CORRECT ANSWERS-The ventricles will not contract Which of the following describes the link between damaged villi and malnutrition - CORRECT ANSWERS-Damaged villi decrease the nutrient-absorbing surface area in the gastrointestinal tract Which of the following organs is responsible for the majority of the chemical digestion and absorption of nutrients in the digestive system? - CORRECT ANSWERS-Small intestine This is the primary function of the small intestine. Inheritance can be described as which of the following? - CORRECT ANSWERS-transmission of characteristics to offspring Genetic information describing the characteristics of an organism is sound in which of the following - CORRECT ANSWERS-Nucleus Which of the following best describes the result of mitosis - CORRECT ANSWERS-New body cells that replace damaged body cells Which of the following statements describes the function of ribosomes - CORRECT ANSWERS-they facilitate protein synthesis Which of the following statements correctly describes a major metabolic pathway - CORRECT ANSWERS-Respiration is an oxidative, degradative pathway atomic mass has a decimal because it is the average ______ of all the isotopes for a particular element. The atomic number of an element is the number of ___ in its nucleus - CORRECT ANSWERS-mass - protons