NLN PAX practice Exam Questions And Answers

NLN PAX practice Exam Questions And Answers The editor rejected the illustrations saying the color was too drab. The illustrations lacked -Contrast -Detail -Variation -Luster Luster The lawyer found the witness's testimony assailable from certain angles. Assailable means -Morbid -Hollow -Rescindable -Vulnerable Vulnerable Anna was invariably late for her classes. Invariably means -Never -Rarely -Occasionally -Constantly Constantly The association of a roadrunner to a coyote is that the coyote -Has an imaginary relationship with the roadrunner -is the mortal enemy of the roadrunner -Share the desert spoils willingly with the roadrunner -is a victim of the roadrunner. has an imaginary relationship with the roadrunner Guard cells which can be found in the leaves of plants are most closely associated with which of these processes? -Reproduction of a new plant -Evaporation of water from the plant -Synthesis of organic substances in the plant -Movement of organic and inorganic substances from soil to the plant Evaporation of water from the plant The bending of a wave around an obstacle is known as -Diffraction -Deflection -Refraction -Reflection Diffraction Which of these conditions is associated with smoking? -Esophageal Varices -Tonsillitis -Emphysema -Blindness Emphysema A gram stain is an important technique used in the laboratory that -Identifies different type of blood cells. -Is sensitive to specific types of plants -Highlights nucleus containing cells. -Distinguishes between different kinds of bacterial cells walls. Distinguishes between different kinds of bacterial cells well A material that settles out of a reaction is termed a(n) -suspension -precipitate -colloid -emulsion Emulsion All living cells contain cytoplasm. Cytoplasm is important because it -Carries hereditary traits -Controls what moves in and out of the cells. -Produces protein -Is where most of the cell's chemical reactions take place Controls what moves in and out of the cells An example of the most complex level of the organization in a frog is the -Epithelium -Striated muscle -Respiratory system -Stomach Respiratory system Energy that is in an object because of its position is called -Kinetic energy -Nuclear energy -Potential energy -Electromagnetic energy Potential energy Enzymes that are involved in biochemical reactions are organic -Colloid -Catalysts -Cathodes -Constants Catalysts In classical physics, light is viewed as part of the electromagnetic spectrum, traveling in form of transverse waves. Quantum physics proposes that light is composed of quanta called -Rays -Newtons -Atoms -Photons Photons In corn plants, the gene that codes for the presence of chlorophyll is sometimes missing. The results seedlings are albino and will not survive. The lethal genes appears in corn populations because -The soil nutrients will not allow the plant to produce chlorophyll. -The parent plants that produced the seeds carried the recessive gene for the albino trait. -The farmer used herbicides, which destroyed the chlorophyll in the seedlings. -The seeds were old and stored improperly, resulting in the lethal trait. The parent plans that produced the seeds carried the recessive gene for the albino trait The scientific name of the wolf is Canis Lupus. The name indicates the wolf's -Genus and species -Phylum and species -Kingdom and genus -Phylum and Genus Genus and species Which of these arrangements of atoms is found in all alcohols? -C=C -C-O-C -C=O -C-OH C-OH The atoms of an element with seven valence electrons are most probably classified as -Metals -Nonmetals -Metalloids -Noble Gases Nonmetals The process of nuclear cell division is the cell reproduction of plants differ from mammals. A major difference is that -Homologous chromosomes are paired -Centrioles are replicated -Spindle fibers are missing -Cells plates are synthesized Cells plates are synthesized Which of these quantities is a vector quantity? -Force -Mass -Energy -Time Energy The organ that filters metabolic waste from the blood is the -Small intestine -Liver -Kidney -Stomach Kidney If a red light is passed through a dilute solution of chlorophyll solution, the spectrophotometer will detect what amount of transmittance of this light? -100% -50-75% -Less than 25% -None 50-75% Which of these pairs of unit measures the same quantity? -Joule and newton -Newton and watt. -Calorie and joule -Watt and calorie Calorie and joule Which part of the human central nervous system controls voluntary movements? -Spinal Cord -Cerebellum -Cerebrum -Medulla Cerebrum When a living cell, the oxygen(O2) form a mixture of O2 and carbon dioxide (CO2) is used up. This creates a concentration gradient across the cell membrane, drawing O2 across the membrane from the outside in, a process known as -Osmosis -Active Transport -Diffusion -Cellular Respiration Diffusion A quantity that has both magnitude and direction is called a(n) -resultant -scalar -vector -undefined unit vector Amnesia in the humans is the loss of memory. Which of these parts of the brain has been affected when someone is suffering from amnesia caused by head trauma? -Cerebral Cortex -Cerebellum -Medulla oblongata -Spinal cord Cerebral cortex At room temperature, which of these substances exist as diatomic molecules? -Carbon