Question 1

Nitrous oxide has _____ onset and _____ solubility in blood.

Accepted Answer

A) rapid;high 
B) rapid;low 
C) slow;high 
D) slow;low 
A) rapid;high 
B) rapid;low 
C) slow;high 
D) slow;low B

Question 2

Which of the following are benzodiazepines that are used for conscious sedation and preanesthetic medication prior to general anesthesia? (Select all that apply. )

Accepted Answer

A) Diazepam (Valium) 
B) Fentanyl (Sublimaze) 
C) Midazolam (Versed) 
D) Methohexital sodium (Brevital) 
A) Diazepam (Valium) 
B) Fentanyl (Sublimaze) 
C) Midazolam (Versed) 
D) Methohexital sodium (Brevital) A,C

Question 3

Features of nitrous oxide administration include each of the following except one.Which is the exception?

Accepted Answer

A) Nitrous oxide has low solubility in blood. 
B) Nitrous oxide alone is a good choice for a general anesthetic. 
C) Nitrous oxide has a quick onset. 
D) The patient will recover quickly following termination of administration of nitrous oxide. 
A) Nitrous oxide has low solubility in blood. 
B) Nitrous oxide alone is a good choice for a general anesthetic. 
C) Nitrous oxide has a quick onset. 
D) The patient will recover quickly following termination of administration of nitrous oxide. B

Question 4

Recovery from a single intravenous dose of methohexital (Brevital)is accelerated as a result of _______ to lean tissues.

Accepted Answer

A) drug excretion 
B) drug redistribution 
C) drug metabolism 
D) enzyme induction 
A) drug excretion 
B) drug redistribution 
C) drug metabolism 
D) enzyme induction

Question 5

The more soluble the anesthetic is in body tissues,the more rapid the onset and recovery will be.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following are types of intravenous general anesthetics? (Select all that apply. )

Accepted Answer

A) Opioids 
B) Enflurane 
C) Etomidate 
D) Isoflurane 
E) Propofol 
A) Opioids 
B) Enflurane 
C) Etomidate 
D) Isoflurane 
E) Propofol

Question 7

A patient for whom nitrous oxide is to be administered should be warned to avoid eating a large meal within _____ hours of the appointment.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 8

At the termination of a N₂O/O₂ sedation procedure,the patient should be placed on 100% oxygen for at least _____ minutes.

Accepted Answer

A) 2 
B) 5 
C) 8 
D) 11 
A) 2 
B) 5 
C) 8 
D) 11

Question 9

Nitrous oxide is a complete anesthetic.

Accepted Answer

A) True 
 B)False

Question 10

The less soluble the anesthetic is in body tissues,the more rapid the _____.(Select all that apply. )

Accepted Answer

A) onset 
B) breathing rate 
C) heart rate 
D) recovery 
A) onset 
B) breathing rate 
C) heart rate 
D) recovery

Question 11

What are the goals of surgical anesthesia? (Select all that apply. )

Accepted Answer

A) Good patient control 
B) Adequate muscle relaxation 
C) Reduced respiratory rate 
D) Reduced cardiac output 
E) Pain relief 
A) Good patient control 
B) Adequate muscle relaxation 
C) Reduced respiratory rate 
D) Reduced cardiac output 
E) Pain relief

Question 12

To prevent diffusion hypoxia,patients should be given 100% oxygen for 5 minutes after treatment with nitrous oxide.

Accepted Answer

A) True 
 B)False

Question 13

Nitrous oxide,as used in the dental office,maintains the patient in stage _____ of Guedel's system of stages and planes.

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 14

Which inhalational agent has a pungent smell and can cause respiratory acidosis with deeper levels of anesthesia?

Accepted Answer

A) Isoflurane 
B) Halothane 
C) Enflurane 
D) Sevoflurane 
E) Nitrous oxide 
A) Isoflurane 
B) Halothane 
C) Enflurane 
D) Sevoflurane 
E) Nitrous oxide

Question 15

The correct method for administration of nitrous oxide is to put the patient on

Accepted Answer

A) 100% oxygen for 2 to 3 minutes and then put the nitrous oxide level at 20% of the level of oxygen. 
B) 100% oxygen for 2 to 3 minutes and then put the nitrous oxide level at 50% of the level of oxygen. 
C) 100% oxygen for 2 to 3 minutes and add nitrous oxide in 5 to 10% increments until sedation is achieved. 
D) 50% oxygen and 50% nitrous oxide. 
E) 75% oxygen and 25% nitrous oxide. 
A) 100% oxygen for 2 to 3 minutes and then put the nitrous oxide level at 20% of the level of oxygen. 
B) 100% oxygen for 2 to 3 minutes and then put the nitrous oxide level at 50% of the level of oxygen. 
C) 100% oxygen for 2 to 3 minutes and add nitrous oxide in 5 to 10% increments until sedation is achieved. 
D) 50% oxygen and 50% nitrous oxide. 
E) 75% oxygen and 25% nitrous oxide.

Question 16

The average percentage of nitrous oxide required for patient comfort is

Accepted Answer

A) 10%. 
B) 25%. 
C) 35%. 
D) 50%. 
A) 10%. 
B) 25%. 
C) 35%. 
D) 50%.

Question 17

Which of the following intravenous general anesthetic agents can be administered intramuscularly (IM)?

Accepted Answer

A) Methohexital (Brevital) 
B) Ketamine (Ketalar) 
C) Diazepam (Valium) 
D) Propofol (Diprivan) 
A) Methohexital (Brevital) 
B) Ketamine (Ketalar) 
C) Diazepam (Valium) 
D) Propofol (Diprivan)

Question 18

Approximately 15% of halothane is metabolized in the liver,and these metabolites have been suggested as a cause of renal damage.

Accepted Answer

A) Both parts of the statement are true. 
B) Both parts of the statement are false. 
C) The first part of the statement is true;the second part is false. 
D) The first part of the statement is false;the second part is true. 
A) Both parts of the statement are true. 
B) Both parts of the statement are false. 
C) The first part of the statement is true;the second part is false. 
D) The first part of the statement is false;the second part is true.

Question 19

The following are characteristics of propofol except which one?

Accepted Answer

A) Rapid onset of action 
B) Produces little vomiting 
C) Undergoes phase II metabolism in the liver 
D) Intravenous anesthetic 
E) Structurally related to barbiturates 
A) Rapid onset of action 
B) Produces little vomiting 
C) Undergoes phase II metabolism in the liver 
D) Intravenous anesthetic 
E) Structurally related to barbiturates

Question 20

According to Guedel's description of the stages and planes of anesthesia,the induction period refers to stage

Accepted Answer

A) I. 
B) II. 
C) I and II. 
D) I,II,and III. 
E) None of the above is correct. 
A) I. 
B) II. 
C) I and II. 
D) I,II,and III. 
E) None of the above is correct.

Exam 10: General Anesthetics

Nitrous oxide has _____ onset and _____ solubility in blood.

Which of the following are benzodiazepines that are used for conscious sedation and preanesthetic medication prior to general anesthesia? (Select all that apply. )

Features of nitrous oxide administration include each of the following except one.Which is the exception?

Recovery from a single intravenous dose of methohexital (Brevital)is accelerated as a result of _______ to lean tissues.

The more soluble the anesthetic is in body tissues,the more rapid the onset and recovery will be.

Which of the following are types of intravenous general anesthetics? (Select all that apply. )

A patient for whom nitrous oxide is to be administered should be warned to avoid eating a large meal within _____ hours of the appointment.

At the termination of a N₂O/O₂ sedation procedure,the patient should be placed on 100% oxygen for at least _____ minutes.

Nitrous oxide is a complete anesthetic.

The less soluble the anesthetic is in body tissues,the more rapid the _____.(Select all that apply. )

What are the goals of surgical anesthesia? (Select all that apply. )

To prevent diffusion hypoxia,patients should be given 100% oxygen for 5 minutes after treatment with nitrous oxide.

Nitrous oxide,as used in the dental office,maintains the patient in stage _____ of Guedel's system of stages and planes.

Which inhalational agent has a pungent smell and can cause respiratory acidosis with deeper levels of anesthesia?

The correct method for administration of nitrous oxide is to put the patient on

The average percentage of nitrous oxide required for patient comfort is

Which of the following intravenous general anesthetic agents can be administered intramuscularly (IM)?

Approximately 15% of halothane is metabolized in the liver,and these metabolites have been suggested as a cause of renal damage.

The following are characteristics of propofol except which one?

According to Guedel's description of the stages and planes of anesthesia,the induction period refers to stage

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