Advanced Principles II Exams Flashcards
The neuron is the basic functional cell of the CNS? True or false? This question was repeated.
True
The somatic nervous system contains sensory neurons for the control of? Choose 3
a. Skin innervation
b. Muscle innervation
c. Joints innervation
Arteries arising from Circle of Willis give rise to? This question was repeated.
a. Pial arteries
Neurons may be classified according to their specific function: ______ are multipolar and innervate and control effector tissues such as muscles and glands. This question was repeated.
a. Motor neurons
In 60% of patients the SA node is a branch of the right coronary artery whereas in the remaining arises from the?
a. Circumflex artery
Appropriate preop medications for patients who present for posterior fossa surgery who are diagnosed with space occupying lesions (SOL) or hydrocephalus from the 4th ventricle would include? Choose 3
a. Antihypertensives
b. Corticosteroids
c. Benzodiazepines
d. Fentanyl
a. Antihypertensives
b. Corticosteroids
c. Benzodiazepines
d. Fentanyl (WRONG answer)
The major components of the intracranial cavity include? Choose 3
- Brain
- CSF
- Blood
Select the true statements concerning Schwann cells. Choose 3? This question was repeated.
a. Schwann cells are responsible for forming myelin
b. Schwann cell myelinates only one axon
c. Node of Ranvier is the site of electrical impulse propagation
d. Schwann cells are completely coated in myelin
a. Schwann cells are responsible for forming myelin
b. Schwann cell myelinates only one axon
c. Node of Ranvier is the site of electrical impulse propagation
d. Schwann cells are completely coated in myelin (WRONG answer)
Select the true statements concerning Anterior Spinal Artery Syndrome (ASAS). Choose 3?
a. ASAS may also result from sustained hyperperfusion
b. ASAS typically manifests as motor weakness greater than sensory change
c. ASAS results from obstruction of the feeder vessels to the Ant. Spinal Artery
d. ASAS treatment is aimed at relieving existing pathologic cause/condition
a. ASAS may also result from sustained hyperperfusion (WRONG answer)
b. ASAS typically manifests as motor weakness greater than sensory change
c. ASAS results from obstruction of the feeder vessels to the Ant. Spinal Artery
d. ASAS treatment is aimed at relieving existing pathologic cause/condition
Which of the following is the BEST treatment for anesthesia issues that may arise during a craniofacial venous malformation repair? Choose 2
a. Keep PaCO2 at 60
b. Consider patient ability to maintain patent airway post USP grade 95% ethanol injection
All of these statements are true concerning implantable cardioverter-defibrillators (ICDs) EXCEPT?
a. ICDs are not indicated for the primary prevention of sudden death
evere contrast induced anaphylactoid reactions include all EXCEPT? Choose 3
a. Bronchospasm
b. cardiovascular shock
c. Respiratory arrest
d. Cardiac arrest
a. Bronchospasm (WRONG answer)
b. cardiovascular shock
c. Respiratory arrest
d. Cardiac arrest
Cerebral blood flow is supplied by 4 larger arteries which merge to form the?
a. Circle of Willis
When ICP exceeds _____ mm/Hg CBF progressivle decreases and a vicious cycle is established: produces brain edema which in turn increases ICP. This question was repeated.
a. 30 mm/Hg
(6th edition nagelhout pg 663) - “when ICP exceeds 30mmhg, CBF progressively decreases and a vicious cycle is established, ischemia produces brain edema, which in turn increases ICP and further precipitates ischemia.”
Although a rare event, trigeminocardiac reflex may be treated by which of the following BEST choices?
a. anticholinergic prophylaxis
Not indicated for ssep:
NMBD (source:I emailed Dr.M; She said the “best answer” was NMBD)
High risk for cardiac cath
75f with 1 vessel block, ASA IV?
Not an ablation indication :
drug abuse lifestyle
Select the true statement regarding supratentonial Masses choose 3
- Supratentorial massless problems usually arise from a result of local and generalized pressure
- anesthetic actions include conserve cerebral auto regulation and co2 responsiveness
- issues can arise from surgical exposure
- Surgeon could have issues
Cerebral bloodflow is maintained at a constant
• The cerebral blood flow is maintained fairly stable for a MABP of 60-160.****
CushingsTriad
– Irregular respiration (Hypoventilation)
– Bradycardia
– Hypertension
All are true except (can’t remember the rest of the answers)
– CO2 – most powerful factor
– O2 – hypoxia is a potent stimulus
Autoregulation all are true EXCEPT
- People with hypoperfusion/ cerebral ischemia, autoregulation is shifted to right (wrong answer)
- People with chronic HTN, autoregulation is shifted to the right
The Most common arteries affected by hemorrhagic stroke:
Middle Cerebral Artery
Posterior Cerebral Artery
Midbrain Arteries
What about of CSF occupies the entire cerebral cavity?
150ml
Reabsorption of CSF in through the
Arachnoid villi
Normal ICP 1-20. Acute increase in ICP of 22. Treatment?
Hyperventilation (PCO2 25-30 mmhg)
Acute changes seen in ICP (all except): Altered mentation Visual disturbances Headache Gait Disturbances
Altered mentation
Visual disturbances
Headache
Gait Disturbances (WRONG Answer)
CPP goal is to maintain above 50-55….
< 40 hypoperfusion?
Most common primary brain tumor?
Astrocytoma
Most inhalational anesthetics:
Decrease CMR
Increase CBF
Most IV anesthetics:
Decrease CMR
Decrease CBF
All gases EXCEPT this one decrease CMR?
N20
ICP may be mild and can be prevented by hypocapnia (the only gas with these properties):
ISOflurane
All are true EXCEPT of etomidate:help?
Has no CV effects
Should use in caution with hx of seizures
…ummmm
Increases CMRO2???
The neuron is NOT the basic functional cell of the CNS? T or F
False
Allergic reaction that includes angioedema would be classified as
moderate
Man tells you he is allergic to contrast.Procedure is tomorrow. What is the BEST course of action?
Steroid today. Histamine before surgery.
Contraindications (relative) for sitting position:
C-spine
Intra-cardiac defects
MILD Hypovolemia
???
Select all that are true of posterior fossa surgery??
a. Risks include VAE, quadriplegia, macroglossia, pneumocephalus
b. Lateral , three-quarter prone, and park bench positions
c. Avoid excessive neck rotation and flexion of knees towards chest
d .Ensure large airway and bite block placements
a. Risks include VAE, quadriplegia, macroglossia, pneumocephalus
b. Lateral , three-quarter prone, and park bench positions
c. Avoid excessive neck rotation and flexion of knees towards chest
d. . Ensure large airway and bite block placements (WRONG: Avoid)
Select all that are true of posterior fossa surgery??
a. Risks include VAE, quadriplegia, macroglossia, pneumocephalus
b. Lateral , three-quarter prone, and park bench positions
c. Avoid excessive neck rotation and flexion of knees towards chest
d .Ensure large airway and bite block placements
a. Risks include VAE, quadriplegia, macroglossia, pneumocephalus
b. Lateral , three-quarter prone, and park bench positions
c. Avoid excessive neck rotation and flexion of knees towards chest
d. . Ensure large airway and bite block placements (WRONG: Avoid)
What drug would you not give prior to clipping of aneurysm?
phenylephrine
Triple H therapy includes: (choose 3)
Hypertension
Hypervolemia
Hemodilution
(all of the wrong answers included hyper/hypothermia)
Which is NOT a risk factor for protamine allergy?
Family history of malignant hypothermia
What is the advantage of using newer radiographic contrast compared to older radiographic contrast?
Newer radiographic contrast has a lower osmolar load
All are true of Right sided catheterization except:
Performed for diagnostic purposes
May be done Brachial, femoral, and IJ
NOT EJ
What are irreversible:
ASA
Thienophyridine
Law that applies to aneurysms?
Law of Laplace
During the management of an angioplasty and stenting for treatment of atherosclerotic stenosis of the cervical, vertebral, and intracranial arteries, which of the following are NOT true?
Hypoperfusion is associated with this procedure.
85 y/o man, history of MI, Cr 1.8, BUN 22, K 5 (other labs that were normal) needs emergent heart cath. Which of the following is the BEST action?
Hydrate, avoid NSAIDS, limit contrast, proceed with case
All of the following are true of AVMs except?
They are emergent and require emergency treatment
Best candidate for awake craniotomy?
38-year-old with tumor near motor area with history of uncontrolled seizures
AVM surgery with ICP 22. What is the best action?
Hyperventilate because the ICP is too high.
All of the following increase CBF and ICP under normal circumstances EXCEPT.
midazolam
Barbiturates do all of the following EXCEPT
Protect against global ischemia.
Which is wrong regarding air embolism? Add 8 of PEEP Suction through CVV Stop N2O Place pt in Right-lateral recumbent with head slightly up
Place pt in Right-lateral recumbent with head slightly up
this was the answer; this answer would have been correct if it had been Left-lateral recumbent
Aortic stenosis is eccentric. T/F?
False
75 year old man has aortic stenosis and his heart rate drops to 39?
Atropine 0.4 mg IV
Duchenne muscular dystrophy is what cardiomyopathy?
Dilated cardiomyopathy
Congenital heart disease when patients are pregnant…? Choose 3
a. Beta blockers interfere with fetal growth and response of fetus to stress during labor
b. Amiodarone affects the fetus thyroid function
c. 3rd stage (delivery of placenta) can be associated with hypovolemia, uterine atony and hemorrhage
d. Cardioversion is dangerous and contraindicated
d. Cardioversion is dangerous and contraindicated - WRONG ANSWER
When do women experience the most cardiac complications in pregnancy?
First half of the 3rd trimester
First half of second trimester
Last half of first trimester
Last month of pregnancy
Last month of pregnancy - CORRECT ANSWER
Obstructive cardiomyopathy….? Select 3
Increase preload
Increase afterload
Decrease contractility
All of the following occur in restrictive cardiomyopathy EXCEPT?
10 year old female
85 year old male
25 year old female
45 year old male
10 year old female - CORRECT ANSWER → its rare in children!
Marfan syndrome? Choose 5
Tall and slender Disproportionate arms and legs High arch palate and crowned teeth Heart murmurs are common Flat feet Low set ears Small chest bone that protrudes inward and upward Extreme farsightedness
Marfan syndrome? Choose 5
Tall and slender - true Disproportionate arms and legs - true High arch palate and crowned teeth - true Heart murmurs are common - true Flat feet - true
Low set ears - WRONG ANSWER
Small chest bone that protrudes inward and upward - WRONG ANSWER
Extreme farsightedness - WRONG ANSWER
Question about Tricuspid Atresia? Choose 3
a. Cyanosis is usually present at birth
b. Early survival is depend on prostaglandin E1 infusion
c. Success of the fontan procedure is reliant upon low PVR and low atrial pressure
Which is true regarding dilated cardiomyopathy? All valves are involved Tricuspid valve is involved Mitral stenosis Mitral regurgitation
Mitral regurgitation
Which formula represents the amount of blood ejected from the L ventricle with each heartbeat (Stroke Volume formula)?
SV = EDV - ESV
Mediastinoscopy question….? Choose 3 but may have been Choose 4
a. Patients with lung cancer may have Eaton-Lambert syndrome with sensitivity to NDMR and Depolarizers
b. The most severe complication of mediastinoscopy is major hemorrhage
c. A bronchial blocker can be used to provide lung isolation in the event of an emergency
d. Prior mediastinoscopy is not an absolute contraindication to the procedure
d. Prior mediastinoscopy is not an absolute contraindication to the procedure
(THIS IS A MAJOR CONTRAINDICATION!!) WRONG ANSWER
Contraindicated in ASD?
Air in tubing
All are true about VSD EXCEPT?
Recurrent pulmonary infections are NOT common
Hypertrophic Obstruction worsens by?
Decreased contractility
Catecholamines
Increased preload
Increased afterload
Catecholamines - CORRECT ANSWER (b/c it increases contractility)
Appropriate treatments for hypercyanotic spells….? Pick 4
Esmolol Propranolol Fluids and phenylephrine Ephedrine and epinephrine Knees to chest
Ephedrine and epinephrine - WRONG ANSWER
Question about pts with cyanotic heart disease…?
Increased minute ventilation and normocapnia
Neosynephrine is preferred over ephedrine for mitral stenosis. T/F?
True
Question about aortic stenosis and HR, preload, afterload preferred?
Low HR 60-90, NSR, maintain and optimize preload, maintain afterload and contractility
Benefits of beta 1 stimulation? Chose 2
Negative chronotropic
Positive inotrope
Positive dromotrope
Negative dromotrope
Positive inotrope
Positive dromotrope
Negative chronotropic - WRONG ANSWER
Negative dromotrope - WRONG ANSWER
Benefits of beta 1 stimulation? Chose 2
Negative chronotropic
Positive inotrope
Positive dromotrope
Negative dromotrope
Positive inotrope
Positive dromotrope
Negative chronotropic - WRONG ANSWER
Negative dromotrope - WRONG ANSWER
Benefits of beta 2 stimulation? Choose 2
Vasodilation
Stabilization of mast cell protection
Histamine release
Bronchoconstriction
Vasodilation
Stabilization of mast cell protection
PV Loop: Which one shows decreased afterload?
Smallest loop
All will increase Right to left shunt in TOF EXCEPT
Decrease PVR
Which is true about aortic stenosis? Choose 2
Avoid bradycardia because SV is fixed
Avoid tachycardia because SV is fixed
Describes situations in which left-to-right intracardiac shunts are reversed d/t increased PVR levels equal to or greater than SVR
Eisenmenger’s Syndrome
- The neuron is the basic functional cell of the CNS? True or false?
True
The somatic nervous system contains sensory neurons for the control of? Choose 3
a. Skin innervation
b. Muscle innervation
c. Joints innervation
a. Skin innervation
b. Muscle innervation
c. Joints innervation
Arteries arising from Circle of Willis give rise to?
Pial Arteries
Neurons may be classified according to their specific function: ______ are multipolar and innervate and control effector tissues such as muscles and glands.
a. Motor neurons
In 60% of patients the SA node is a branch of the right coronary artery whereas in the remaining arises from the?
a. Circumflex artery
Appropriate preop medications for patients who present for posterior fossa surgery who are diagnosed with space occupying lesions (SOL) or hydrocephalus from the 4th ventricle would include? Choose 3
a. Antihypertensives
b. Corticosteroids
c. Benzodiazepines
d. Fentanyl
a. Antihypertensives
b. Corticosteroids
c. Benzodiazepines
d. Fentanyl (WRONG answer)
The major components of the intracranial cavity include? Choose 3
- Brain
- CSF
- Blood
Select the true statements concerning Schwann cells. Choose 3?
a. Schwann cells are responsible for forming myelin
b. Schwann cell myelinates only one axon
c. Node of Ranvier is the site of electrical impulse propagation
d. Schwann cells are completely coated in myelin
a. Schwann cells are responsible for forming myelin
b. Schwann cell myelinates only one axon
c. Node of Ranvier is the site of electrical impulse propagation
d. Schwann cells are completely coated in myelin (WRONG answer)
Select the true statements concerning Anterior Spinal Artery Syndrome (ASAS). Choose 3?
a. ASAS may also result from sustained hyperperfusion
b. ASAS typically manifests as motor weakness greater than sensory change
c. ASAS results from obstruction of the feeder vessels to the Ant. Spinal Artery
d. ASAS treatment is aimed at relieving existing pathologic cause/condition
a. ASAS may also result from sustained hyperperfusion (WRONG answer)
b. ASAS typically manifests as motor weakness greater than sensory change
c. ASAS results from obstruction of the feeder vessels to the Ant. Spinal Artery
d. ASAS treatment is aimed at relieving existing pathologic cause/condition
Which of the following is the BEST treatment for anesthesia issues that may arise during a craniofacial venous malformation repair? Choose 2
a. Keep PaCO2 at 60
b. Consider patient ability to maintain patent airway post USP grade 95% ethanol injection
All of these statements are true concerning implantable cardioverter-defibrillators (ICDs) EXCEPT?
a. ICDs are not indicated for the primary prevention of sudden death
Severe contrast induced anaphylactoid reactions include all EXCEPT? Choose 3
a. Bronchospasm
b. cardiovascular shock
c. Respiratory arrest
d. Cardiac arrest
a. Bronchospasm (WRONG answer)
b. cardiovascular shock
c. Respiratory arrest
d. Cardiac arrest
Cerebral blood flow is supplied by 4 larger arteries which merge to form the?
a. Circle of Willis
When ICP exceeds _____ mm/Hg CBF progressive decreases and a vicious cycle is established: produces brain edema which in turn increases ICP.
a. 30 mm/Hg
(6th edition nagelhout pg 663) - “when ICP exceeds 30mmhg, CBF progressively decreases and a vicious cycle is established, ischemia produces brain edema, which in turn increases ICP and further precipitates ischemia.”