NLN PAX Exam Questions

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181.

The iliac artery is one of the major arteries that takes blood to which of the following?

  • Lower limbs

  • Thorax

  • Arms

  • Brain

Correct answer: Lower limbs

The iliac artery takes blood to the lower limbs.

The brachial arteries take blood to the arms. The carotid artery takes blood to the brain. The thoracic artery takes blood to the thorax.

182.

4/5 is how many times greater than 2/5?

  • 2

  • 1.5

  • 1.2

  • 4

Correct answer: 2 

The mathematical expression is 4/5 = x(2/5).

Solve:
 
4/5 = x(2/5)

x = 4/5 ÷ 2/5 = 4/5 × 5/2 = 20/10 = 2

x = 2

183.

Cindy is on a strict diet because she is trying to lose 15 pounds. If Cindy is successful and loses 15 pounds, how many ounces will she have lost?

  • 240 ounces

  • 60 ounces

  • 90 ounces

  • 120 ounces

Correct answer: 240 ounces

To solve, convert 15 pounds to ounces. There are 16 ounces in one pound.

1 pound = 16 ounces

1 pound x 15 = 16 ounces x 15 = 240 ounces

184.

What is the term for individuals who have two identical alleles, such as AA or aa?

  • Homozygous

  • Heterozygous

  • Dominant

  • Recessive

Correct answer: Homozygous

Homozygous individuals have two identical alleles, such as AA or aa (homo = same). Heterozygous individuals have two different alleles, such as Aa (hetero = different).

Dominant alleles (A) are usually detectable in an individual. Recessive alleles (a) are usually masked by the dominant alleles.

185.

Which of the following sentences is an example of a simile?

  • She shook her hair out like a wet dog.

  • The driver is a maniac.

  • The car smoked the truck.

  • The lady is a cougar.

Correct answer: She shook her hair out like a wet dog.

An example of a simile is: “She shook her hair out like a wet dog.” A simile is a comparison between two unlike objects using the words “like” or “as”. A simile is a figurative device.

“The driver is a maniac” and “The lady is a cougar” are examples of a metaphor. “The car smoked the truck” is an example of personification.

186.

Hyphens are used in all except which of the following instances?

  • To form singular possessives

  • To create new words

  • To divide a word

  • To join numbers

Correct answer: To form singular possessives

Apostrophes, not hyphens, are used to form singular possessives (i.e., Bryan’s truck or the dog’s food).

Hyphens are used in compound words, to create new words, to form an adjective, to join letters and words, between numbers and fractions, in a special series, to join numbers, to prevent confusion, and to divide a word.

187.

Joe walked east for 100 meters. He then walked north for 300 meters. Finally, he walked east for 100 meters. Which of the following statements is true?

  • Joe’s displacement is 360 meters, and his distance traveled is 500 meters

  • Joe’s displacement is 280 meters, and his distance traveled is 500 meters

  • Joe’s displacement is 300 meters, and his distance traveled is 500 meters

  • Joe’s displacement is 500 meters, and his distance traveled is 300 meters

Correct answer: Joe’s displacement is 360 meters, and his distance traveled is 500 meters

Displacement is the shortest distance between the initial point and the final point. Therefore, if a straight line is drawn from the start point to the endpoint, a right triangle is formed, and the Pythagorean theorem can be used to solve the problem.

Pythagorean theorem: c = √(a² + b²)

c = √(200² + 300²)

c = √(130,000)

c ≈ 360 meters

Distance is the total ground traveled: 100 + 300 + 100 = 500 meters.

188.

Choose the sentence that is correctly punctuated.

  • The author stated, “I will not write a word that I do not believe.”

  • The author stated “I will not write a word that I do not believe.”

  • The author stated, “I will not write a word that I do not believe”.

  • The author stated: “I will not write a word that I do not believe”.

Correct answer: The author stated, “I will not write a word that I do not believe.”

The sentence requires the use of a comma after the word stated, because commas are used to set off dialogue, and periods should always be placed inside of quotation marks in U.S. usage. The author’s statement also needs to be in quotes since it is a direct quote from the author.

189.

Which type of tissue makes up the structure of the spinal cord?

  • Nervous

  • Cardiac

  • Intestinal

  • Smooth

Correct answer: Nervous

Nervous tissue makes up the structure of the brain, nerves, and spinal cord. Neurons make up the nerves and send electrical signals throughout the body. Certain specialized support cells, such as myelin, work to protect nervous tissue.

190.

Arrange in descending order:

5, 1/6, 280%

  • 5, 280%, 1/6

  • 280%, 1/6, 5

  • 5, 1/6, 280%

  • 1/6, 280%, 5

Correct answer: 5, 280%, 1/6

Convert all the values to decimals to determine the appropriate order:

5 = 5.0

1/6 = 0.16667

280% = 2.80

Therefore, in descending order - which means from greatest to least - the values are:

5.0, 2.80, 0.16667 or 5, 280%, 1/6

191.

Change the following sentence from passive to active voice.

“Over the course of the year, many errors were made.”

  • We made many errors over the course of the year.

  • Many errors have been made throughout the year.

  • Though errors were made, they are being rectified.

  • If errors were made, we are unaware of them.

Correct answer: We made many errors over the course of the year.

Passive voice does not assign an action to a specific source. “We made many errors over the course of the year.” This choice identifies the perpetrator of the action as “we” which changes the sentence to an active voice.

"Many errors have been made throughout the year." Although this answer changed some of the sentence structure, it does not place the action of the sentence on an entity or individual.

"Though errors were made, they are being rectified." This option is an example of using both passive and active voice in a single sentence, rather than changing a passive sentence to an active sentence.

"If errors were made, we are unaware of them." This option combines passive and active voice in addition to changing the original sentence’s meaning.

192.

Identify the sentence in the present tense.

  • I've already told him three times.

  • She said she was having a little trouble.

  • He'll regret telling her.

  • We shouldn't have been so hasty.

Correct answer: I've already told him three times.

In the sentence "I've already told him three times", the main verb is "have". It is contracted in this sentence to "I've", but that doesn't change the verb tense. The form "have" is a present tense verb. This sentence is in the present perfect form, which is a present tense.

"She said she was having a little trouble" is in the past tense, as indicated by past tense verbs "said" and "was". "He'll regret telling her" is in the future tense, indicated by the (contracted) "will". "We shouldn't have been so hasty" is in the past tense, indicated by the "should" + "have been", a past tense form for the modal verb "should".

193.

If an author writes a procedure, which signal word or phrase would the author most likely use?

  • To begin with

  • Until now

  • This led to

  • Since

Correct answer: To begin with

The phrase “to begin with” is a signal that the author is writing a procedure. Other signal words and phrases used for procedures are: first, next, then, in closing, accordingly, last, and to finish.

“Until now” is a signal phrase for a narrative. “This led to” is a signal phrase for a problem/solution. “Since” is a signal word for cause and effect.

194.

Which of the following words is spelled correctly?

  • Accommodate

  • Acomodate

  • Accomodate

  • Accommidate

Correct answer: Accommodate

Accommodate is a verb meaning (of physical space, especially a building) provide lodging or sufficient space for.

  • Example: "The house accommodates up to eight people."

Accommodate can also mean fit in with the wishes or needs of.

  • Example: "People must accommodate new concepts."

195.

A 0.5-kg pendant is spun in a circle on a 1.75-m gold chain. If the gold chain broke when it was at 45 N of tension, how fast was the pendant moving?

  • 12.5 m/sec

  • 157.5 m/sec

  • 78.8 m/sec

  • 9.5 m/sec

Correct answer: 12.5 m/sec

In order to find out how fast the pendant was moving, you will need to use the centripetal force equation:

(CF = (mass)(velocity)²/radius)

Then, convert it to find the velocity: V = √(CF)(radius)/(mass).

V = √(45 N)(1.75 m)/0.5 kg

V = √78.75/0.5

V = √157.5

V = 12.5 m/sec

196.

Kyle was in an accident in which his motorcycle slid 500 meters after the initial impact. How many kilometers did Kyle's motorcycle slide?

  • 0.5 kilometers

  • 50 kilometers

  • 5 kilometers

  • 5,000 kilometers

Correct answer: 0.5 kilometers

If Kyle's motorcycle slid 500 meters, his motorcycle slid 0.5 kilometers.

1 kilometer = 1000 meters

Therefore, 500 meters is equal to 1/2 of a kilometer, or 0.5 kilometers.

197.

When using the kinetic energy equation, how must mass be expressed?

  • In kilograms

  • In grams

  • In pounds

  • In ounces

Correct answer: In kilograms

The kinetic energy equation requires mass to be expressed in kilograms, and it requires velocity to be expressed in meters per second. The equation for kinetic energy is KE = 1/2mv².

198.

If a liquid has a pH of 2, is it an acid or a base?

  • Strong acid

  • Strong base

  • Weak base

  • Weak acid

Correct answer: Strong acid

pH is the measure of acidity or alkalinity.

  • Acid: substance with a pH less than 7
  • Base (alkaline): substance with a pH greater than 7
  • Neutral: substance with a pH of 7

199.

All except which option appropriately follows the rules of capitalization?

  • my Aunt

  • Oscar Mayer hot dogs

  • Mayor Jack Finton

  • Republican Party

Correct answer: my Aunt

The only option that does not follow the rules of capitalization is “my Aunt.” Since the word “aunt” is not part of a name, it should not be capitalized. If the word “aunt” followed a name (i.e., Aunt Jane), it would be capitalized.

Trade names (Oscar Mayer), official titles used with names (Mayor Jack Finton), and political parties (Republican Party) should all be capitalized.

200.

Which of the following is the outer boundary of the cell?

  • Plasma membrane

  • Nucleus

  • Cytoplasm

  • Rough endoplasmic reticulum

Correct answer: Plasma membrane

The human cell is made up of three main parts:

  1. Plasma membrane: A double layer of lipids that separates the cell interior from the outside environment. This double layer consists largely of specialized lipids called phospholipids.
  2. Cytoplasm: Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.
  3. Nucleus: The nucleus is a highly specialized organelle that serves as the information processing and administrative center of the cell.

The rough endoplasmic reticulum (RER) function involves the assembly of proteins and the transportation of those assembled ready proteins to where they will be used by the body.