NLN PAX 1 exam 100% Verified Questions & Answers
Q: 1 kilogram (kg) of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat energy. The final
temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y must have a lower
specific heat. conductive heat. heat of fusion.
heat of vaporization.
Answer:
Specific Heat
Q: A drop of dilute ammonium hydroxide (NH4OH) is placed on one side of a slide containing a large number of
swimming paramecium. Under this condition, which of these behaviors of the paramecia will be observed?
They will eventually all swim toward the ammonium hydroxide.
They will show no net change in behavior to the ammonium hydroxide. They will all be instantly killed by the ammonium
hydroxide.
They will eventually all swim away from the ammonium hydroxide.
Answer:
They will eventually all swim away from the ammonium hydroxide.
Q: A method for determining the blood alcohol content of a subject is to
do a Mantoux test. do a Dick test.
use a Breathalyzer.
inspect the size of the pupils.
Answer:
Use a Breathalyzer
Q: A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the
person's breath contains
carbon dioxide. hydrogen. oxygen.
nitrogen.
Answer:
Carbon dioxide
Q: A person who was in an auto accident has formed a blood clot at the site of the injury. One event that can lead to
formation of a blood clot is that
red blood cells release hemoglobin.
bone marrow cells decrease platelet production. white blood cells release antibodies.
ruptured platelets release thromboplastin.
Answer:
ruptured platelets release thromboplastin
Q: A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these
measurements show the normal BP values for a resting adult patient?
1 25/95 mm Hg 120/80 mm Hg 100/80 mm Hg
72/120 mm Hg
, Answer:
120/80 mm Hg
Q: A woman suddenly chokes on a piece of food and clutches frantically at her throat. An immediate remedy is to
have her bend forward and tell her to cough.
insert a finger or a blunt object toward the back of the mouth.
apply quick, hard pressures successively to her abdomen, just beneath her diaphragm.
phone "emergency" for help.
Answer:
apply quick, hard pressures successively to her abdomen, just beneath her diaphragm.
Q: If the medulla of the brain in a human was damaged, which of these conditions would most likely result?
Inability to remember. Difficulty in breathing. Inability to speak.
Blurred vision
Answer:
Difficulty in breathing
Q: Night blindness in hum
Answer:
is caused by a lack of
Q: Vitamin A.
Niacin.
Calcium.
Vitamin D
Answer:
Vitamin A
Q: 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.
dipping it into a concentrated acid solution.
heating it in a hot air oven at 160°C for 20 minutes.
washing it in soap and water
Answer:
boiling it in water for 15 minutes.
Q: Iodized salt is used to prevent a human condition known as
rickets. goiter.
scurvy.
beri-beri
Answer:
Goiter
Q: riodontitis is an inflammatory condition of the
Q: 1 kilogram (kg) of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat energy. The final
temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y must have a lower
specific heat. conductive heat. heat of fusion.
heat of vaporization.
Answer:
Specific Heat
Q: A drop of dilute ammonium hydroxide (NH4OH) is placed on one side of a slide containing a large number of
swimming paramecium. Under this condition, which of these behaviors of the paramecia will be observed?
They will eventually all swim toward the ammonium hydroxide.
They will show no net change in behavior to the ammonium hydroxide. They will all be instantly killed by the ammonium
hydroxide.
They will eventually all swim away from the ammonium hydroxide.
Answer:
They will eventually all swim away from the ammonium hydroxide.
Q: A method for determining the blood alcohol content of a subject is to
do a Mantoux test. do a Dick test.
use a Breathalyzer.
inspect the size of the pupils.
Answer:
Use a Breathalyzer
Q: A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the
person's breath contains
carbon dioxide. hydrogen. oxygen.
nitrogen.
Answer:
Carbon dioxide
Q: A person who was in an auto accident has formed a blood clot at the site of the injury. One event that can lead to
formation of a blood clot is that
red blood cells release hemoglobin.
bone marrow cells decrease platelet production. white blood cells release antibodies.
ruptured platelets release thromboplastin.
Answer:
ruptured platelets release thromboplastin
Q: A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these
measurements show the normal BP values for a resting adult patient?
1 25/95 mm Hg 120/80 mm Hg 100/80 mm Hg
72/120 mm Hg
, Answer:
120/80 mm Hg
Q: A woman suddenly chokes on a piece of food and clutches frantically at her throat. An immediate remedy is to
have her bend forward and tell her to cough.
insert a finger or a blunt object toward the back of the mouth.
apply quick, hard pressures successively to her abdomen, just beneath her diaphragm.
phone "emergency" for help.
Answer:
apply quick, hard pressures successively to her abdomen, just beneath her diaphragm.
Q: If the medulla of the brain in a human was damaged, which of these conditions would most likely result?
Inability to remember. Difficulty in breathing. Inability to speak.
Blurred vision
Answer:
Difficulty in breathing
Q: Night blindness in hum
Answer:
is caused by a lack of
Q: Vitamin A.
Niacin.
Calcium.
Vitamin D
Answer:
Vitamin A
Q: 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.
dipping it into a concentrated acid solution.
heating it in a hot air oven at 160°C for 20 minutes.
washing it in soap and water
Answer:
boiling it in water for 15 minutes.
Q: Iodized salt is used to prevent a human condition known as
rickets. goiter.
scurvy.
beri-beri
Answer:
Goiter
Q: riodontitis is an inflammatory condition of the
