Kelly Kinsinger
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Quiz on Vet 201 Anesthesiology Chapter Seven Study Guide , created by Kelly Kinsinger on 30/10/2018.

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Vet 201 Anesthesiology Chapter Seven Study Guide

Question 1 of 37

1

The use of a chemical agent on sensory neurons to disrupt the nerve impulse transmission that will lead to a temporary loss of sensation is:

Select one of the following:

  • paresis.

  • cauda equina.

  • local anesthesia.

  • tidal volume.

Explanation

Question 2 of 37

1

Which of the following agents should be used as a local anesthetic for ophthalmic cases?

Select one of the following:

  • Lidocaine

  • Bupivacaine

  • Tetracaine

  • Procaine

Explanation

Question 3 of 37

1

A local block is needed for a small mass removal on a front leg and the surgeon would like to have the block working immediately after placement. Which drug would be the best choice?

Select one of the following:

  • Lidocaine

  • Tetracaine

  • Bupivacaine

  • Proparacaine

Explanation

Question 4 of 37

1

Which type of agent will affect the neurons but will allow the animal to be fully conscious?

Select one of the following:

  • Local anesthetics

  • Inhalant anesthetics

  • Sedatives

  • General anesthetic

Explanation

Question 5 of 37

1

A local anesthetic that is injected around a single major nerve is referred to as a(n):

Select one of the following:

  • splash block.

  • ring block.

  • epidural.

  • nerve block.

Explanation

Question 6 of 37

1

A 12-year-old Labrador is scheduled to have a toe amputation. What type of block would be the best to place in this patient?

Select one of the following:

  • Splash block

  • Ring block

  • Epidural

  • Line block

Explanation

Question 7 of 37

1

You are assisting with a dehorning procedure on a mature animal. What would be the preferred block to place?

Select one of the following:

  • Paravertebral block

  • Cornual block

  • Line block

  • Intercostal block

Explanation

Question 8 of 37

1

A 4-year-old Holstein is in dystocia. What block would be used to allow the veterinarian to perform a cesarean section?

Select one of the following:

  • Paravertebral block

  • Cornual block

  • Line block

  • Intercostal block

Explanation

Question 9 of 37

1

A small dog has been hit by a car, and the surgeon plans to repair the fractured pelvis. What would be the recommended type of block?

Select one of the following:

  • Paravertebral

  • Intrathecal

  • Brachial plexus

  • Epidural

Explanation

Question 10 of 37

1

A complication commonly seen in conjunction with a paravertebral block is:

Select one of the following:

  • paresis.

  • scoliosis.

  • paralysis.

  • cauda equina.

Explanation

Question 11 of 37

1

A patient exhibits signs of severe sympathetic blockade leading to flushing and increased skin temperature. What would be the recommended treatment for this condition?

Select one of the following:

  • Intravenous colloid fluid administration at a rate of 5 mL/kg for 1 hr

  • Intravenous colloid fluid administration at a rate of 20 mL/kg for 20 min

  • Intravenous crystalloid fluid administration at a rate of 5 mL/kg for 1 hr

  • Intravenous crystalloid fluid administration at a rate of 20 mL/kg for 20 min

Explanation

Question 12 of 37

1

Which route of administration of a local anesthetic offers fast but only minimal pain relief and lasts only for a short time?

Select one of the following:

  • Splash Block

  • Ring Block

  • Epidural

  • Line Block

Explanation

Question 13 of 37

1

Which of the following anesthetic agents can be instilled through a chest tube placed during a thoracic surgery? What is the agent and when should it be administered?

Select one of the following:

  • Lidocaine—as soon as the tube is placed during surgery

  • Bupivacaine—as soon as the tube is placed during surgery

  • Lidocaine—not until the animal is awake

  • Bupivacaine—not until the animal is awake

Explanation

Question 14 of 37

1

When placing a local anesthetic in an infiltration block, care must be taken to avoid injection into:

Select one of the following:

  • scar tissue as the pH of the tissue will inactivate the anesthetic.

  • inflamed or infected tissues as the pH of the tissue will inactivate the anesthetic.

  • fatty or edematous tissues as the pH of the tissue will inactivate the anesthetic.

  • inflamed or infected tissues as the tissue will impede the diffusion of the drug.

Explanation

Question 15 of 37

1

Which of the following is true?

Select one of the following:

  • Epinephrine added to a local anesthetic causes vasodilation of the blood vessels in the area of the injection causing an increase in the rate of drug absorption.

  • Epinephrine added to a local anesthetic should be used at the incision sites to improve tissue perfusion and healing.

  • Epinephrine added to the local anesthetic causes constriction of the blood vessels in the area of the injection and decreases the rate of the drug absorption.

  • By causing vasodilation, the epinephrine reduces the concentration of the local anesthetic, reducing the toxicity of the drug.

Explanation

Question 16 of 37

1

In which cases should the use of epinephrine be avoided?

Select one of the following:

  • To prolong the effect of lidocaine by constricting the blood vessels

  • To reduce the toxicity of the anesthetic drugs such as lidocaine

  • As an intravenous injection

  • In young healthy animals undergoing a dental extraction

Explanation

Question 17 of 37

1

When placing a dental nerve block, what must be done to ensure a safe placement of the anesthetic agent?

Select one of the following:

  • Aspirate before injecting.

  • Inject directly into the nerve to be blocked.

  • Clip the area where the block is to be placed.

  • Apply a splash block prior to placing a regional nerve block.

Explanation

Question 18 of 37

1

Which type of block is performed by inserting the needle into the tissue and gradually withdrawing the needle while injecting a small amount of local anesthetic?

Select one of the following:

  • splash block

  • ring block

  • epidural

  • line block

Explanation

Question 19 of 37

1

A patient needs to have an epidural placed for postoperative pain control following a cruciate surgery. What can be used to avoid complications with the sympathetic blockade and hypotension?

Select one of the following:

  • Lidocaine

  • Bupivacaine

  • Morphine

  • Tetracaine

Explanation

Question 20 of 37

1

When placing an epidural, the local anesthetic should be deposited into the:

Select one of the following:

  • pia mater.

  • arachnoid layer.

  • epidural space.

  • subarachnoid space.

Explanation

Question 21 of 37

1

Which type of block is often used on cattle and involves the use of a tourniquet placed proximal to the vein?

Select one of the following:

  • Bier block

  • Ring block

  • Epidural

  • Line block

Explanation

Question 22 of 37

1

Which anesthetic agent can be administered intravenously by using a constant rate infusion to a healthy anesthetized patient, and what is the advantage of doing so?

Select one of the following:

  • Bupivacaine—to reduce the dose of general anesthetic required

  • Bupivacaine—to increase the level of analgesia during a painful operation

  • Lidocaine—to reduce the dose of general anesthetic required for a painful operation and to prevent cardiac arrhythmias

  • Procaine—to reduce the risk of cardiac arrhythmias

Explanation

Question 23 of 37

1

The abnormal sensation of tingling, pain, or irritation that may occur from local anesthesia is:

Select one of the following:

  • paresis.

  • paresthesia.

  • paralysis.

  • cauda equina.

Explanation

Question 24 of 37

1

Which of the following is a true statement regarding complications from an epidural?

Select one of the following:

  • The animal should be tilted slightly downward to ensure that the anesthetic reaches as far cranially as possible.

  • Diffusion of the anesthetic into the cervical and thoracic spinal cord can result in bradycardia, decreased cardiac output, and hypotension.

  • Epidurals rarely cause trauma, so placing them in an awake patient is acceptable.

  • It is recommended to use agents with preservatives in epidurals.

Explanation

Question 25 of 37

1

Which of the following can be a complication of local anesthetics infiltrating in the cranial part of the spinal cord?

Select one of the following:

  • Inflammation and fibrosis formation

  • Myelitis

  • Meningitis

  • Respiratory paralysis

Explanation

Question 26 of 37

1

Which of the following is the correct maximum dose for an average 9-pound cat?

Select one of the following:

  • 0.8 mL of 2% lidocaine subcutaneously

  • 0.8 mL of 2% lidocaine intravenously

  • 0.5 mL of 5% bupivacaine subcutaneously

  • 0.8 mL of 5% bupivacaine intravenously

Explanation

Question 27 of 37

1

The anesthetist’s delivery of all of the air and/or anesthetic gases required by the patient is termed:

Select one of the following:

  • assisted ventilation.

  • controlled ventilation.

  • positive pressure ventilation.

  • bagging.

Explanation

Question 28 of 37

1

Inspiration is triggered by the respiratory center of the brain when:

Select one of the following:

  • there is a decreased level of CO2 in the venous blood.

  • there is an increased level of O2 in the venous blood.

  • there is an increased level of CO2 in the arterial blood.

  • there is a decreased level of O2 in the arterial blood.

Explanation

Question 29 of 37

1

A normal awake dog is breathing normally at 30 breaths/min. What is its approximate respiratory minute volume?

Select one of the following:

  • 100 to 200 mL/kg

  • 225 to 275 mL/kg

  • 300 to 450 mL/kg

  • 500 to 650 mL/kg

Explanation

Question 30 of 37

1

A complication of an anesthetized animal breathing room air would be

Select one of the following:

  • an increase in the PaCO2.

  • a decrease in the PaCO2.

  • the formation of HCO3 ions.

  • the formation of H+ ions.

Explanation

Question 31 of 37

1

The inability of the anesthetized animal to allow the alveoli to expand fully can result in:

Select one of the following:

  • atelectasis.

  • hypoxemia.

  • hypercarbia.

  • hyperventilation.

Explanation

Question 32 of 37

1

Which species tends to hypoventilate and become hypocarbic during anesthetic procedures?

Select one of the following:

  • Feline

  • Equine

  • Canine

  • Bovine

Explanation

Question 33 of 37

1

How often should manual ventilation be performed on an anesthetized patient?

Select one of the following:

  • 1 breath every 15 sec

  • 1 breath every 60 sec

  • 1 to 2 breaths every 2 to 5 min

  • 2 breaths every 12 min

Explanation

Question 34 of 37

1

What can happen if the ventilation rate is too high in an anesthetized patient?

Select one of the following:

  • The alveoli may rupture.

  • Cardiac output may be decreased.

  • Respiratory alkalosis may occur.

  • The patient may wake up.

Explanation

Question 35 of 37

1

Anesthetic depth can be difficult to monitor in animals given a neuromuscular blocking agent. What is the most reliable indication of anesthetic depth in these patients?

Select one of the following:

  • Jaw tone

  • Palpebral reflex

  • Anal tone

  • Heart Rate

Explanation

Question 36 of 37

1

An animal may have increased susceptibility to neuromuscular blocking agents if it has recently undergone a treatment with:

Select one of the following:

  • antiemetics.

  • organophosphates.

  • NSAIDs.

  • anticholinergics.

Explanation

Question 37 of 37

1

Which is true of neuromuscular blocking agents?

Select one of the following:

  • Provide good analgesia in addition to tranquilizing properties

  • Have no effect on the respiratory muscles

  • Should be used in addition to an anesthetic as they do not produce analgesia or anesthetic properties

  • Should be given to conscious animals only

Explanation

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