Foundations of Respiratory Care 2nd Edition by Wyka – Test Bank

 

 

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Sample Test

3

 

Multiple Choice

Identify the choice that best completes the statement or answers the question.

 

____    1.   In the International System of Units (SI), deka- is a prefix that means which of the following?

a.	10-2	c.	103
b.	101	d.	106

 

 

____    2.   In SI, mass is expressed in which of the units?

a.	grams	c.	liters
b.	meters	d.	ohms

 

 

____    3.   Which of the following is an example of potential energy changing to kinetic energy?

a.	blood flow	c.	systolic
b.	inhalation (normal)	d.	exhalation (normal)

 

 

____    4.   The standard unit of force is which of the following?

a.	newton	c.	pascal
b.	joule	d.	ohm

 

 

____    5.   Normal exhalation is an example of which of the following laws?

a.	Hooke’s	c.	Poiseuille’s
b.	Charles’	d.	Newton’s second

 

 

____    6.   Compliance is defined as which of the following?

a.	pressure change per unit of flow change
b.	pressure change per unit of volume change
c.	flow change per unit of volume change
d.	volume change per unit of pressure change

 

 

____    7.   All of the following can be classified as fluids except:

a.	plasma	c.	liquids
b.	solids	d.	gases

 

 

____    8.   Which of the following is the formula for flow?

a.	volume ´ pressure	c.	mass  ´ time
b.	pressure¤density	d.	volume¤time

 

 

____    9.   Matter changes at which of the following?

1.    critical volume

2.    critical pressure

3.    critical temperature

4.    critical mass

a.	1, 3	c.	2, 3
b.	1, 3, 4	d.	3, 4

 

 

____  10.   Which of the following is the point at which liquid turns into gas?

a.	vapor point	c.	dew point
b.	freezing point	d.	melting point

 

 

____  11.   Electrical resistance is measured in which of the following?

a.	watts	c.	volts
b.	ohms	d.	amps

 

 

____  12.   Hertz refers to which of the following?

a.	cycles per second	c.	resistance to current
b.	flow of electrons in a circuit	d.	power generated

 

 

____  13.   Which of the following are common monitoring tools that depend on the ability to differentiate types of light waves?

1.    capnometer

2.    electrocardiograph

3.    radiograph

4.    pulse oximeter

a.	1, 2	c.	2, 3
b.	1, 4	d.	3, 4

 

 

____  14.   Which of the following is in the denominator of Poiseuille’s law?

a.	flow	c.	viscosity
b.	radius	d.	pressure

 

 

____  15.   The respiratory therapist is seeing a patient who is experiencing a serious asthma attack (in which the airways become narrowed through smooth muscle spasm and inflammation). According to Poiseuille’s law, what would be the most effective way to treat the patient?

a.	increase the driving pressure	c.	decrease the viscosity of the inspired gas
b.	dilate the airways	d.	decrease the density of the inspired gas

 

 

____  16.   According to the Reynolds number calculation, at what point does flow change from transitional to turbulent?

a.	1,000	c.	3,000
b.	2,000	d.	4,000

 

 

____  17.   In what part of the tracheobronchial tree is flow most turbulent?

a.	trachea	c.	bronchioles
b.	mainstem bronchi	d.	secondary lobules

 

 

____  18.   The pressure inside a closed empty box is 10 mm Hg. The volume of the box is 6 L. An object is placed in the box, and the pressure increases to 20 mm Hg. What is the new volume (of the gas molecules inside the box)?

a.	2 L	c.	4,500 mL
b.	3,000 mL	d.	4 L

 

 

____  19.   You throw an old aerosol can into a fire. After a few minutes, the can explodes. This is an application of which of the following?

a.	combined gas law	c.	Poiseuille’s law
b.	Boyle’s law	d.	Gay-Lussac’s law

 

 

____  20.   The molar concentration of an ideal gas is which of the following?

a.	10.6 L	c.	22.4 L
b.	14.7 L	d.	29.8 L

 

 

____  21.   According the Dalton’s law, if the barometric pressure is 760 mm Hg, what is the partial pressure of oxygen (PO₂) if Na is 781 of the mixture and argon is 11?

a.	20.9	c.	120.1
b.	64.3	d.	159.6

 

 

____  22.   Henry’s law deals with which of the following?

a.	solubility	c.	partial pressures
b.	diffusibility	d.	concentrations

 

 

____  23.   According to Laplace’s law, at what point would an alveolus be most difficult to inflate?

a.	fully inflated	c.	quarter inflated
b.	half inflated	d.	completely collapsed

 

 

____  24.   The unit of measurement for radiation is which of the following?

a.	KISS	c.	poise
b.	curie	d.	pascal

 

 

____  25.   Generally, specific gravity is the ratio of the density of a substance to the density of which of the following?

a.	oxygen	c.	water
b.	hydrogen	d.	carbon dioxide

 

3

Answer Section

 

MULTIPLE CHOICE

 

1.    ANS:  B                    PTS:   1

 

2.    ANS:  A                    PTS:   1

 

3.    ANS:  D                    PTS:   1

 

4.    ANS:  A                    PTS:   1

 

5.    ANS:  A                    PTS:   1

 

6.    ANS:  D                    PTS:   1

 

7.    ANS:  B                    PTS:   1

 

8.    ANS:  D                    PTS:   1

 

9.    ANS:  D                    PTS:   1

 

10.  ANS:  A                    PTS:   1

 

11.  ANS:  B                    PTS:   1

 

12.  ANS:  A                    PTS:   1

 

13.  ANS:  B                    PTS:   1

 

14.  ANS:  C                    PTS:   1

 

15.  ANS:  B                    PTS:   1

 

16.  ANS:  C                    PTS:   1

 

17.  ANS:  A                    PTS:   1

 

18.  ANS:  B                    PTS:   1

 

19.  ANS:  D                    PTS:   1

 

20.  ANS:  C                    PTS:   1

 

21.  ANS:  D                    PTS:   1

 

22.  ANS:  A                    PTS:   1

 

23.  ANS:  D                    PTS:   1

 

24.  ANS:  B                    PTS:   1

 

25.  ANS:  C                    PTS:   1

 

 

Chapter 4

 

Multiple Choice

Identify the choice that best completes the statement or answers the question.

 

____    1.   Which of the following is the name of an ion that gives up one or more electrons, resulting in a positive charge?

a.	anion	c.	cation
b.	dipole	d.	charged ion

 

 

____    2.   Which of the following is a common molecule formed by ionic bonding?

a.	H2O	c.	MgSO2
b.	O2	d.	NaCl

 

 

____    3.   Which of the following is an important disaccharide?

a.	sucrose	c.	fructose
b.	glucose	d.	galactose

 

 

____    4.   Which of the following is the principal storage form of carbohydrates in animals?

a.	starch	c.	lipid
b.	glycogen	d.	triglyceride

 

 

____    5.   RNA is found in what part of the cell?

a.	cytoplasm	c.	mitochondria
b.	nucleus	d.	Golgi complex

 

 

____    6.   pH is which of the following?

a.	a measure of HCO3
b.	the negative log of the hydrogen ion concentration
c.	the sum of bases and acids in a solution
d.	expressed as mL/dL

 

 

____    7.   Which of the following are examples of a fixed acid?

1.    sulfuric

2.    lactic

3.    carbonic

4.    acetoacetic

a.	1, 2, 4	c.	2, 4
b.	1, 3	d.	3, 4

 

 

____    8.   The average individual produces about how much carbon dioxide per day?

a.	5–10 moles	c.	15–20 moles
b.	10–15 moles	d.	20–25 moles

 

 

____    9.   What is the pH for carbonic acid (H₂CO₃)?

a.	6.1	c.	7.4
b.	6.9	d.	7.8

 

 

____  10.   Which of the following are physiologic buffer systems?

1.    hydration

2.    phosphate

3.    hemoglobin

4.    protein

a.	1, 2, 3	c.	2, 3, 4
b.	1, 4	d.	3, 4

 

 

____  11.   The major noncarbonic acids are eliminated through which part of the body?

a.	kidney	c.	lung
b.	liver	d.	intestine

 

 

____  12.   The noncarbonic acids are eliminated in which of the following amounts per day?

a.	50–150 mmol	c.	250–350 mmol
b.	150–250 mmol	d.	350–450 mmol

 

 

____  13.   Hypoventilation is most likely to result in which of the following?

a.	metabolic alkalosis	c.	respiratory alkalosis
b.	metabolic acidosis	d.	respiratory acidosis

 

 

____  14.   A decrease of PaCO₂ along with an increased pH results in which of the following conditions?

a.	respiratory alkalosis	c.	metabolic alkalosis
b.	respiratory acidosis	d.	metabolic acidosis

 

 

____  15.   A patient presents with severe hypoxia. This could result in which of the following acid-base states?

a.	metabolic alkalosis	c.	respiratory alkalosis
b.	metabolic acidosis	d.	respiratory acidosis

 

 

____  16.   Which of the following is a cause of metabolic alkalosis?

a.	hyperventilation	c.	severe hypoxia
b.	diabetic crisis	d.	sustained vomiting

 

 

____  17.   Metabolic alkalosis is sometimes accompanied by which of the following?

a.	increased Cl	c.	decreased K
b.	increased Na	d.	decreased Ca

 

 

____  18.   According to the periodic table, which of the following is the symbol for lead?

a.	Le	c.	La
b.	Ld	d.	Hg

 

 

____  19.   During an arterial puncture, a patient begins to breathe faster because of the anxiety and pain. Which of the following acid-base states will likely occur?

a.	respiratory acidosis	c.	metabolic acidosis
b.	respiratory alkalosis	d.	metabolic alkalosis

 

 

____  20.   A patient experiences a cardiac arrest during which he has no circulation for at least 2 minutes. He is then resuscitated using chest compressions and bag/mask ventilation. Because of the initial hypoxia, which of the following acid-base states will the patient most likely experience?

a.	respiratory acidosis	c.	metabolic acidosis
b.	respiratory alkalosis	d.	metabolic alkalosis

 

 

____  21.   Carbon exists in how many isotopes?

a.	1	c.	3
b.	2	d.	4

 

 

____  22.   Monosaccharides are examples of which of the following?

a.	carbohydrates	c.	nucleic acid
b.	proteins	d.	lipids

 

 

____  23.   Polypeptides are polymers consisting of up to how many amino acids?

a.	20	c.	50
b.	30	d.	80

 

 

____  24.   DNA is found in which of the following parts of the cell?

a.	cytoplasm	c.	mitochondria
b.	nucleus	d.	Golgi complex

 

 

____  25.   A 76-year-old presents with severe renal failure. Arterial blood gas analysis shows a metabolic acidosis. The body will attempt to compensate for this by which of the following mechanisms?

a.	increased production of bicarbonate	c.	increased cardiac output
b.	increased retention of potassium	d.	hyperventilation

 

4

Answer Section

 

MULTIPLE CHOICE

 

1.    ANS:  C                    PTS:   1

 

2.    ANS:  D                    PTS:   1

 

3.    ANS:  A                    PTS:   1

 

4.    ANS:  B                    PTS:   1

 

5.    ANS:  A                    PTS:   1

 

6.    ANS:  B                    PTS:   1

 

7.    ANS:  A                    PTS:   1

 

8.    ANS:  C                    PTS:   1

 

9.    ANS:  A                    PTS:   1

 

10.  ANS:  C                    PTS:   1

 

11.  ANS:  A                    PTS:   1

 

12.  ANS:  A                    PTS:   1

 

13.  ANS:  D                    PTS:   1

 

14.  ANS:  A                    PTS:   1

 

15.  ANS:  B                    PTS:   1

 

16.  ANS:  D                    PTS:   1

 

17.  ANS:  C                    PTS:   1

 

18.  ANS:  D                    PTS:   1

 

19.  ANS:  B                    PTS:   1

 

20.  ANS:  C                    PTS:   1

 

21.  ANS:  C                    PTS:   1

 

22.  ANS:  A                    PTS:   1

 

23.  ANS:  C                    PTS:   1

 

24.  ANS:  B                    PTS:   1

 

25.  ANS:  D                    PTS:   1