NLN PAX SCIENCE UPDATED EXAMS SCRIPT
QUESTIONS AND ANSWERS SURE A+
✔✔Which of these temperatures is known as Absolute Zero? - ✔✔0 K
✔✔Which of these substances contains a nonpolar covalent bond? - ✔✔O2
✔✔Which of these single instruments may be used to measure the current flowing
through a circuit? - ✔✔An ammeter
✔✔Which of these processes is responsible for the recorded production of CO2 by
yeast cells from sugar solution? - ✔✔Anaerobic respiration
✔✔Which of these particles can only be found in the nucleus of an atom? - ✔✔protons
and neutrons
✔✔Which of these pairs of units measures the same quantity
? - ✔✔Calorie and joule
✔✔Which of these organisms use nitrogen directly from the air? - ✔✔Blue-green algae
, ✔✔Which of these equations best illustrates a synthesis reaction? - ✔✔2Na + Cl2 ->
2NaCl
✔✔The organ that filters metabolic waste from the blood is the - ✔✔kidney
✔✔Periodontitis is an inflammatory condition of the - ✔✔gum tissue that surrounds the
neck of each tooth
✔✔Iodized salt is used to prevent a human condition known as - ✔✔goiter
✔✔Heat energy is absorbed in which of these phase changes? - ✔✔Br2(l) -> Br2(g)
✔✔To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If
unavailable, the next most effective method to sterilize the instrument would be -
✔✔boiling it in water for 15 minutes
✔✔In diagnostic testing, the electroencephalogram permits the physician to -
✔✔examine the impulses of the nerve cells within the brain
✔✔If the medulla of the brain in a human was damaged, which of these conditions
would most likely result? - ✔✔Difficulty in breathing
✔✔If a red light passed through a dilute solution of chlorophyll solution, the
spectrophotometer will detect what amount of transmittance of this light? - ✔✔50-75%
✔✔Human testes produce - ✔✔spermatozoa
✔✔Guard cells which can be found in the leaves of plants are most closely associated
with which of these processes? - ✔✔Evaporation of water from the plant
✔✔A physician measures the pulse and blood pressure (BP) of all patients on a routine
basis. Which of these measurements show normal BP values for a resting adult patient?
- ✔✔120/80 mm Hg
✔✔A method for determining the blood alcohol content of a subject is to - ✔✔use a
Breathalyzer
✔✔Which of these structures produces sperm cells in human males? - ✔✔Testes
✔✔Which of these instruments is used to measure the amount of heat exchanged in a
system? - ✔✔Calorimeter
✔✔Which of these germ layers rise to the skin? - ✔✔Ectoderm
QUESTIONS AND ANSWERS SURE A+
✔✔Which of these temperatures is known as Absolute Zero? - ✔✔0 K
✔✔Which of these substances contains a nonpolar covalent bond? - ✔✔O2
✔✔Which of these single instruments may be used to measure the current flowing
through a circuit? - ✔✔An ammeter
✔✔Which of these processes is responsible for the recorded production of CO2 by
yeast cells from sugar solution? - ✔✔Anaerobic respiration
✔✔Which of these particles can only be found in the nucleus of an atom? - ✔✔protons
and neutrons
✔✔Which of these pairs of units measures the same quantity
? - ✔✔Calorie and joule
✔✔Which of these organisms use nitrogen directly from the air? - ✔✔Blue-green algae
, ✔✔Which of these equations best illustrates a synthesis reaction? - ✔✔2Na + Cl2 ->
2NaCl
✔✔The organ that filters metabolic waste from the blood is the - ✔✔kidney
✔✔Periodontitis is an inflammatory condition of the - ✔✔gum tissue that surrounds the
neck of each tooth
✔✔Iodized salt is used to prevent a human condition known as - ✔✔goiter
✔✔Heat energy is absorbed in which of these phase changes? - ✔✔Br2(l) -> Br2(g)
✔✔To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If
unavailable, the next most effective method to sterilize the instrument would be -
✔✔boiling it in water for 15 minutes
✔✔In diagnostic testing, the electroencephalogram permits the physician to -
✔✔examine the impulses of the nerve cells within the brain
✔✔If the medulla of the brain in a human was damaged, which of these conditions
would most likely result? - ✔✔Difficulty in breathing
✔✔If a red light passed through a dilute solution of chlorophyll solution, the
spectrophotometer will detect what amount of transmittance of this light? - ✔✔50-75%
✔✔Human testes produce - ✔✔spermatozoa
✔✔Guard cells which can be found in the leaves of plants are most closely associated
with which of these processes? - ✔✔Evaporation of water from the plant
✔✔A physician measures the pulse and blood pressure (BP) of all patients on a routine
basis. Which of these measurements show normal BP values for a resting adult patient?
- ✔✔120/80 mm Hg
✔✔A method for determining the blood alcohol content of a subject is to - ✔✔use a
Breathalyzer
✔✔Which of these structures produces sperm cells in human males? - ✔✔Testes
✔✔Which of these instruments is used to measure the amount of heat exchanged in a
system? - ✔✔Calorimeter
✔✔Which of these germ layers rise to the skin? - ✔✔Ectoderm
