NLN PAX EXAM QUESTIONS & ANSWERS 2024/2025
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 - ANSWERSspecific heat
A method for determin...
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 -
ANSWERSspecific heat
A method for determining the blood alcohol content of a subject is to - ANSWERSuse a Breathalyzer
Gaurd cells which can be found in the leaves of plants are most closely associated with which of these
processes? - ANSWERSEvaporation of water from the plant
If the medulla of the brain in a human was damaged, which of these conditions would most likely result?
- ANSWERSDifficulty in breathing
In ecological succession, the first living thing to colonize a hitherto barren area is called a -
ANSWERSpioneer organism
Night blindness in humans is caused by a lack of - ANSWERSVitamin A
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 - ANSWERSBoiling it in water for 15
In varieties of matter, the term heterogeneous may be applied to - ANSWERSmixtures, but not elements
or compounds
Heat energy is absorbed in which of these phase changes? - ANSWERSBr2 (l) -> Br2 (g)
Iodized salt is used to prevent a human condition known as - ANSWERSgroiter
, Periodontitis is an inflammatory condition of the - ANSWERSgum tissue that surrounds the neck of each
tooth
The process of nuclear cell division in the cell reproduction of plants differs from mammals. A major
difference is that - ANSWERShomologous chromosomes are paired
Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of -
ANSWERSprotozoans
Which of these conditions is associated with smoking? - ANSWERSEmphysema
Which of these hydrocarbons is a member of the benzene family? - ANSWERSToluene
Which of these organisms use nitrogen directly from the air? - ANSWERSBlue-green algae
Which of these pairs of units measures the same quantity? - ANSWERSCalorie and Joule
Which of these particles can only be found in the nucleus of an atom? - ANSWERSprotons and neutrons
Which of these quantities is a vector of quantity - ANSWERSForce
Which of these quantities is most closely associated with an object's inertia? - ANSWERSMass
Which of these temperatures is known as Absolute Zero? - ANSWERS0°K
Which part of the cell structure controls the passage of materials into and out of the cell? -
ANSWERSPlasma membrane
While working in the chemistry laboratory, a student spills dilute hydrochloric acid on her hand. What is
the first action this student should take? - ANSWERSFlush her hand with large quantities of water
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
