Inflammation, production of interferon, and ingestion of pathogens by phagocytes are non specific
cellular responses by ? - Accurate 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? - Accurate 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? - Accurate answers The ventricles will not contract
Describe the link between damaged villi and malnutrition - Accurate answers Damaged villi
decrease the nutrient-absorbing surface area in the gastrointestinal tract
What organ is responsible for the majority of the chemical digestion and absorption of nutrients in the
digestive system? - Accurate answers Small intestine
Contraction occurs when the thin ___ filaments slide past the thicker ____ filaments, causing the
sarcomere unit to shorten or contract. - Accurate answers actin and myosin
The endocrine system is a collection of ductless glands that produce which of the following responses -
Accurate answers A slowly initiating but prolonged response on other body systems
Which gland has an exocrine function and aids in the regulation of blood glucose - Accurate answers
pancreas
Which term refers to the middle layer of the skin that is made of connective tisssue - Accurate answers
Dermis
What is produced by the skin when a cholesterol based precursor is modified by the presence of
ultraviolet radiation? - Accurate answers Vitamin D
Which type of bone cells perform mineral resorption - Accurate answers osteoclasts
Inside of adult long bones, yellow bone marrow is located within which of the following? - Accurate
answers medullary cavity
What type of tissue serves to fasten and support body parts - Accurate answers Connective
What leaves the body via deferens - Accurate answers Gametes
What reproductive organs produces sperm in males and ova in females - Accurate answers Gonads
What is the term used to describe an action potential jumping from node to node in an axon - Accurate
answers Saltatory conduction
, A polysaccharide can be described as which of the following - Accurate answers A carbohydrate
that is made of many sugar molecules
What is a chemical reaction between two molecules in which a water molecule is released and a
covalent bond forms - Accurate answers Dehydration reaction
Which is a triplet of nitrogenous bases that codes for an amino acid - Accurate answers Codon
Inheritance can be described as what? - Accurate answers transmission of characteristics to
offspring
Genetic information describing the characteristics of an organism is sound in which of the following -
Accurate answers Nucleus
What best describes the result of mitosis - Accurate answers New body cells that replace damaged
body cells
What is the function of ribosomes - Accurate answers they facilitate protein synthesis
Correctly describes a major metabolic pathway - Accurate 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 - Accurate answers mass -
protons
An atom that has lost an electron becomes____ in charge and is called a ____ - Accurate answers
Positive, cation
Which of the following statements is true about protons - Accurate answers They are located in
the nucleus of an atom
What is characteristic of a graph displaying the physical states of a substance under varying temperature
and pressure - Accurate answers Having temperature and pressure as its axes and is called a phase
diagram
Each elements atomic number is determined by the number of what in its atom? - Accurate answers
Protons
The number of which of the following particles will differ for each isotope of the same element -
Accurate answers Neutrons in it's nucleus
What best describes the mass of an object - Accurate answers An extensive property and physical
property
Which characteristics applies to the bonds holding together nonpolar covalent molecules - Accurate
answers They share electrons between atoms and result in a balanced distribution of charges
throughout the molecule.