100 NLN PAX practice Questions and Answers 2023 Latest Version

100 NLN PAX practice Questions and Answers 2023 Latest Version 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 -Iron -Neon -Oxygen Oxygen Sodium will react most readily with -Chlorine -Boron -Helium -Potassium Chlorine The Pap test can detect cancer in the female reproductive tract at an early stage, requiring cells scraped from -The vagina -The fallopian tubes -The uterus -The cervix The cervix The physics principle that is primarily used in developing a rollercoaster ride is -Centripetal force -Specific gravity -Quantum energy -Certainty principle Centripetal force Unicellular organisms that have a nucleus and can swim with aid of cilia are examples of -Monerans -Plants -Fungi -Protozoans Protozoans When a column of air is vibrating at the same rate as a tuning fork, the process is referred to as -Assimilation -Diffraction -Transmission -Resonance Resonance When two atoms share a pair of electrons, the bond between them is called -Electrovalent -Covalent -Ionic -Metallic Covalent When water passes from a region of greater concentration to a region of lesson concentration through a selectivity permeable membrane, the process is known as -Distillation -Evaporation -Osmosis -Sublimation Osmosis Which of these organ systems does NOT provide for the excretion of substances? -Urinary System -Lymphatic system -Respiratory System -Digestive System Lymphatic system Which of these processes occur at a neuromuscular junction? -Articulation -Axon formation -Impulse transmission -Encapsulation Impulse Transmission An insecticide label specifics a dilution ratio of 1 1/2 teaspoons of insecticide per gallon of water. How much insecticide should be added to a one-half gallon of water? -1/8 treaspoon. -1/2 teaspoon -3/4 teaspoon -3 teaspoons 3/4 teaspoon What is the reciprocal of 2 3/4? - 4/11 - 4/6 -1 1/4 - 3 1/3 4/11 Factor 6x^2+x-12 into two binomial terms. -(2x-4)(3x+3) -x(6x+1)-12 -(3x+4)(2x-3) -(2x+3)(3x-4) (2x+3)(3x-4) An ideal gas occupies a volume of 0.50 liter (L) at a pressure of 0.20 atmosphere. What volume will the gas occupy at 0.40 atmosphere if the temperature remains constant? -0.25 L -0.50 L -1 L -2 L 0.25 L A room measures 12 1/2 feet on each side. How many square feet of carpeting will be needed to completely cover the floor? -/4 -156 1/4 156 1/4 What number is 29% of 150? -517.24 -43.5 -19.33 -5.17 43.5 If 15 out of every patients admitted to a hospital remain longer than a week, how many of the 2,800 admissions in a given year were released within one week? -210 -453 -2,590 -2,644 2,590 .03% of 1,500 is -500 -45 - 0.45 - 0.15 0.45 What percent of 125 is 375? -33.33% -250% -300% -468.75% 300% The actor that won the award was a neophyte. Neophyte means -Novice -Favorite -Long shot -A veteran Novice The visiting executive observed with bemusement that the only available hotel room was located next to the service elevator. Bemusement means -Benevolence -Bewilderment -Belligerence -Belittlement Bewilderment An opening that permits light to enter is called -A duct -A pathway -A cynosure -An aperture An aperture As they canoed down the river, the boat hit an eddy. An eddy is a -Whirlpool -Waterfall -Rapid -Ripple Whirlpool As part of the human immune response, which of these cells are responsible for producing antibodies? -Lymphocytes -Helper cells -Suppressor cells -Macrophages Lymphocytes The region of the brain most concerned with coordinating somatic motor function is the -medulla oblongata -cerebellum -hypothalamus -cerebrum cerebellum The weight of an adult human in newtons(N) is closest to -0.5 N -5 N -50 N -500 N 500 N When a population is in Hardy- Weinberg equilibrium, which of these conditions must be present? -The population is very small -The population is isolated from other populations -Natural selection -Net mutations The population is isolated from other populations Which of these could be stopped by a sheet of paper? -Alpha particle -Beta Particle -Gamma Ray -Cosmic Ray Alpha particle Which of these organisms might be found in contaminated well water? -Aspergillis -Porifera -Giardia -Spirochete Giardia .03% of 1,500 is -500 -45 -0.45 0.15 0.45 A commercial popcorn machine makes 12 pounds of popcorn, which can fill 4-ounce bags - 48 The girl displayed the same insolent behavior as her father. Insolent means -Strange -Rude -Fearful -Shy Rude The pathologist engaged in acrimonious debate over the nature of the disease. Acrimonious means -Bitter -Cacophonous -Lengthy -Zealous Bitter A meeting at which several speakers deliver short speeches on a particular topic is called -a symposium -a cabinet -an orientation -an indoctrination A symposium How must current is drawn by a light bulb that a resistance of 100 R with a voltage of 110 V? (V=IR) -1.1 amperes -90 amperes -210 amperes -11,000 amperes 1.1 amperes The extension of a neuron that carries the impulse to another cell is called -a cyton -a synapse -a dendrite -an axon an axon Which of these finding suggests a serious illness from a urinalysis? -Absence of glucose or protein -Presence of urea and mineral salts -Presence of glucose and protein -Presence of urea and absence of glucose Presence of glucose and protein Which of these is an example of a simple machine? -Lever -Pulley -Inclined plane -All of the above All of the above Which of these structures contains valves to prevent blood from flowing in the wrong direction? -Veins -Arteries -Capillaries -Lymph ducts Veins All the glucose filtered from the blood in the glomerulus into the Bowman's capsule of the kidney nephron is returned to the tissue fluid while passing along the proximal tubule. The rapid return is effected by the process of -osmosis -phagocytosis -pinocytosis -active transport active transport Anaerobic respiration occurs in muscle tissue when it cannot get sufficient oxygen to function aerobically. Which of these conditions if most likely to directly result from this? -Necrosis -Cramps -Bleeding -Swelling Cramps The function of the myelin sheath that surrounds many neurons is to -prevent meningitis -slow the rate of impulse transport -increase the flow of ions into the axon -increase the rate of impulse transport increase the rate of impulse transport When steel wool (mostly iron) burns, its mass increases. The best explanation of this observation is that -hot iron has more mass than cold iron -the iron oxide formed has more mass than the iron alone -the iron is magnetized by the burning process -the iron changes to another allotropic form the iron oxide formed has more mass than the iron alone When your muscles atrophy, they -waste away -stiffen up -become fatigued -gain strength waste away Which human body system does meiosis occur in? -Digestive -Reproductive -Nervous -Circulatory Reproductive A lens that focuses distant light to a single point is known as a -converging lens -diverging lens -concave lens -prismatic lens converging lens Compounds with the same type and number of atoms and the same chemical bonds but different spatial arrangements of these bonds and atoms are called -structural isomers -linkage isomers -opitcal isomers -geometrical isomers structural isomers The meiotic division of the cells lead to the production of cells that -are exactly like their parents -contain half the usual number of chromosomes -will give rise to different types of white blood cells -will double the usual number of chromosomes contain half the usual number of chromosomes Which of these units is associated with magnitude, but not direction? -Force -Time -Velocity -Acceleration Time The diameter of the low power field of a certain microscope is 1.6 millimeters. The diameter of a cell that is half the diameter of the field is -1,600 microns -1,000 microns -800 microns -500 microns 800 microns Aunt Tillie was known as the family interloper. Interloper means -matchmaker -troublemaker -gossip -meddler meddler After the awards ceremony, he was rather indignant. Indignant means -angry -humble -grateful -proud angry The newspaper columnist wrote very succinctly. Succinctly means -verbosely -concisely -elegantly -sarcastically concisely The auditors reviewed the records and reported their finding. An auditor is someone who is authorized to -consult on personnel problems -conduct periodic examinations of accounts -analyze statistical data -evaluate written testimony conduct periodic examinations of accounts If the people of a certain region are imperiled, they are -enlightened -endangered -exploited -enfranchised endangered A writer of many books could be described as -prolific -taciturn -pragmatic -ethereal prolific A secret political group is called a -junta -cabal -synod -caucus cabal In varieties of matter, the term heterogenous may be applied to -elements, but not compounds -compounds, but not elements -compounds and elements, but not mixtures -mixtures, but not elements or compounds mixtures, but not elements or compounds The voice of the orator was loud and clear. Orator means -Storyteller -Poet -Preacher -Public Speaker Public speaker One of the benefits of a college education is learning how to -cogitate -emanate -prevaricate -capitulate cogitate The only word she could use to describe her father was aloof. Aloof means -Distant -Alone -Harsh -Familiar Distant Whole blood of type AB can be transfused to people with which of these types of blood ? -O only -A and B only - AB only - A,B, AB and O AB only Enzymes that are involved in biochemical reactions are organic -Colloids -Catalyst -Cathodes -Constants Cataylst The force of gravity on an object is that object's -Mass -Weight -Inertia -Density Weight Which of these sequences of anatomic organization, from the simplest level to the most complex, is the correct sequence? -From tissue, organ, organ system to organism. -From organ system, organ, tissue to organism. -From tissue, organ system, organ to organism. -From organ, organ system, tissue to organism. From tissue, organ, organ system to organism. Which of these single instruments may be used to measure the current flowing through a circuit? -A voltmeter -An ammeter -A potentiometer -An ohmmeter An ammeter All of these groups of land plants produce seeds EXCEPT -Perennial flowering plants, such as peonies and asters -Deciduous trees, such as maples and oaks -Moist forest plants, such as mosses and ferns -Evergreen trees, such as pines and spruces Evergreen trees, such as pines and spruces. Muscles are attached to bone by which of these structures? -Cartilage -Ligament -Capsula -Tendon Tendon The watt is a unit of -energy -force -displacement -power power Which of these is the correct sequence of chambers through which blood flows in the human heart and lungs? -Right ventricle; right atrium; lungs; left atrium; left ventricle -Right atrium; right ventricle; lungs; left atrium; left ventricle -Left ventricle; left atrium; lungs; right atrium; right ventricle -Left atrium; left ventricle; lungs; right atrium; right ventricle Right atrium; right ventricle; lungs; left atrium; left ventricle The energy associated with an object's position is termed -kinetic energy -thermal energy -photon energy -potential energy potential energy The full set of genes in an individual is known as -specific DNA -the human genome -a chromosomal pattern -cellular identity the human genome Quantum physics proposes that light is composed of quanta called -rays -netwons -atoms -photons Photons