PAX Science NLN Exam Questions
and Verified Solutions 100% Correct
Answers Already Graded A+
QUESTIONS AND ANSWERS
QUESTIONS SOLUTION
A person blows his breath into a straw that A.) carbon dioxide.
is placed in limewater. The limewater
becomes cloudy because the person's breath
contains
B.) hydrogen. C.) oxygen.
D.) nitrogen. answer: carbon dioxide.
A physician measures the pulse and blood A.) 125/95 mm Hg
pressure (BP) of all patients on a routine
basis. Which of these measurements show
the normal BP values for a resting adult
patient?
B.) 120/80 mm Hg C.) 100/80 mm Hg
D.) 72/120 mm Hg answer: 120/80 mm Hg
A woman suddenly chokes on a piece of A.) have her bend forward and tell her to
food and clutches frantically at her throat. cough.
An immediate remedy is to
B.) insert a finger or a blunt object toward C.) apply quick, hard pressures successively
the back of the mouth. to her abdomen, just beneath her
diaphragm.
D.) phone "emergency" for help. answer: apply quick, hard pressures
successively to her abdomen, just beneath
her diaphragm.
, An unknown gas is more dense than air, A.) ammonia.
does not support combustion, and turns a
limewater solution cloudy. This gas is most
probably
B.) methane. C.) carbon dioxide.
C.) hydrogen. answer: carbon dioxide.
Human testes produce A.) eggs.
B.) follicle stimulating hormone. C.) growth hormone.
D.) spermatozoa. answer: spermatozoa.
If a red light is passed through a dilute A.) 100%
solution of chlorophyll solution, the
spectrophotometer will detect what amount
of transmittance of this light?
B.) 50 - 75% C.) Less than 25%
D.) None answer: 50 - 75%
In diagnostic testing, the A.) examine the impulses of the specialized
electroencephalogram permits the muscle cells of the heart.
physician to
B.) examine the impulses of the nerve cells C.) measure the pressure within the eye.
within the brain.
D.) measure the amount of air upon answer: examine the impulses of the nerve
exhalation. cells within the brain.
To sterilize a metal probe in the office, a A.) boiling it in water for 15 minutes.
dentist could use a steam sterilizer. If
unavailable, the next most effective method
to sterilize the instrument would be
B.) dipping it into a concentrated acid C.) heating it in a hot air oven at 160°C for
solution. 20 minutes.
and Verified Solutions 100% Correct
Answers Already Graded A+
QUESTIONS AND ANSWERS
QUESTIONS SOLUTION
A person blows his breath into a straw that A.) carbon dioxide.
is placed in limewater. The limewater
becomes cloudy because the person's breath
contains
B.) hydrogen. C.) oxygen.
D.) nitrogen. answer: carbon dioxide.
A physician measures the pulse and blood A.) 125/95 mm Hg
pressure (BP) of all patients on a routine
basis. Which of these measurements show
the normal BP values for a resting adult
patient?
B.) 120/80 mm Hg C.) 100/80 mm Hg
D.) 72/120 mm Hg answer: 120/80 mm Hg
A woman suddenly chokes on a piece of A.) have her bend forward and tell her to
food and clutches frantically at her throat. cough.
An immediate remedy is to
B.) insert a finger or a blunt object toward C.) apply quick, hard pressures successively
the back of the mouth. to her abdomen, just beneath her
diaphragm.
D.) phone "emergency" for help. answer: apply quick, hard pressures
successively to her abdomen, just beneath
her diaphragm.
, An unknown gas is more dense than air, A.) ammonia.
does not support combustion, and turns a
limewater solution cloudy. This gas is most
probably
B.) methane. C.) carbon dioxide.
C.) hydrogen. answer: carbon dioxide.
Human testes produce A.) eggs.
B.) follicle stimulating hormone. C.) growth hormone.
D.) spermatozoa. answer: spermatozoa.
If a red light is passed through a dilute A.) 100%
solution of chlorophyll solution, the
spectrophotometer will detect what amount
of transmittance of this light?
B.) 50 - 75% C.) Less than 25%
D.) None answer: 50 - 75%
In diagnostic testing, the A.) examine the impulses of the specialized
electroencephalogram permits the muscle cells of the heart.
physician to
B.) examine the impulses of the nerve cells C.) measure the pressure within the eye.
within the brain.
D.) measure the amount of air upon answer: examine the impulses of the nerve
exhalation. cells within the brain.
To sterilize a metal probe in the office, a A.) boiling it in water for 15 minutes.
dentist could use a steam sterilizer. If
unavailable, the next most effective method
to sterilize the instrument would be
B.) dipping it into a concentrated acid C.) heating it in a hot air oven at 160°C for
solution. 20 minutes.
