Advanced Principles II Exams Flashcards
(242 cards)
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