Sherpath Questions with CORRECT Answers (Verified Update)
Q1: Which value is considered the average amount of cerebral blood flow (CBF)?
A. 15 mL/100 g of brain/minute
B. 18 mL/100 g of brain/minute
C. 55 mL/100 g of brain/minute
D. 68 mL/100 g of brain/minute
Answer: C. 55 mL/100 g of brain/minute
Q2: Which function is measured with xenon computed tomography (Xe-CT)?
A. Cerebral blood flow (CBF)
B. Carotid blood flow
C. Cerebrospinal fluid (CSF) pressure in mm H2O
D. Brain wave activity
Answer: A. Cerebral blood flow (CBF)
Q3: Which action would the patient perform during a positive emission tomog- raphy (PET) scan?
A. Cognitive functions
B. Valsalva maneuver
C. Cardinal point eye movements
D. Frequent repositioning
Answer: A. Cognitive functions
Q4: Which value represents the number of wave types that may be present in
electroencephalography (EEG)?
A. Three
B. Four
C. Five
D. Six
Answer: D. Six
Q5: Which condition may result in an absence of electrical activity on electroen- cephalography
(EEG)?
A. Drug overdose
B. Unconsciousness
C. Coma
D. Infection
Answer: A. Drug overdose
, Q6: Which phrase describes evoked potential?
A. Sensory stimulus response electrical impulse
B. Mathematically derived potential brain waves
C. Side effect of electroencephalography
D. Loss of healing potential from coma
Answer: A. Sensory stimulus response electrical impulse
Q7: When a sense is stimulated, an electrical impulse is generated in the brain. Measur-ing these
known stimuli supports the determination of brain function status. Which condition is a
potential contraindication to a lumbar puncture (LP)?
A. Age
B. Infection
C. Thrombocytopenia
D. Hemoglobin to hematocrit ratio of 1:3
Answer: C. Thrombocytopenia
Q8: Which condition is a potential contraindication to a lumbar puncture (LP)?
A. Age
B. Infection
C. Thrombocytopenia
D. Hemoglobin to hematocrit ratio of 1:3
Answer: C. Thrombocytopenia
Q9: Which value represents a normal cerebrospinal fluid (CSF) pressure?
A. 150 mm H20
B. 223 mm H20
C. 58 mm H20
D. 27 mm H20
Answer: A. 150 mm H20
Q10: The presence of which substance would give cerebrospinal fluid (CSF) a smoky appearance?
A. Red blood cells (RBCs)
B. Bacteria
C. Protein
D. White blood cells (WBCs)
Answer: A. Red blood cells (RBCs)
Q1: Which value is considered the average amount of cerebral blood flow (CBF)?
A. 15 mL/100 g of brain/minute
B. 18 mL/100 g of brain/minute
C. 55 mL/100 g of brain/minute
D. 68 mL/100 g of brain/minute
Answer: C. 55 mL/100 g of brain/minute
Q2: Which function is measured with xenon computed tomography (Xe-CT)?
A. Cerebral blood flow (CBF)
B. Carotid blood flow
C. Cerebrospinal fluid (CSF) pressure in mm H2O
D. Brain wave activity
Answer: A. Cerebral blood flow (CBF)
Q3: Which action would the patient perform during a positive emission tomog- raphy (PET) scan?
A. Cognitive functions
B. Valsalva maneuver
C. Cardinal point eye movements
D. Frequent repositioning
Answer: A. Cognitive functions
Q4: Which value represents the number of wave types that may be present in
electroencephalography (EEG)?
A. Three
B. Four
C. Five
D. Six
Answer: D. Six
Q5: Which condition may result in an absence of electrical activity on electroen- cephalography
(EEG)?
A. Drug overdose
B. Unconsciousness
C. Coma
D. Infection
Answer: A. Drug overdose
, Q6: Which phrase describes evoked potential?
A. Sensory stimulus response electrical impulse
B. Mathematically derived potential brain waves
C. Side effect of electroencephalography
D. Loss of healing potential from coma
Answer: A. Sensory stimulus response electrical impulse
Q7: When a sense is stimulated, an electrical impulse is generated in the brain. Measur-ing these
known stimuli supports the determination of brain function status. Which condition is a
potential contraindication to a lumbar puncture (LP)?
A. Age
B. Infection
C. Thrombocytopenia
D. Hemoglobin to hematocrit ratio of 1:3
Answer: C. Thrombocytopenia
Q8: Which condition is a potential contraindication to a lumbar puncture (LP)?
A. Age
B. Infection
C. Thrombocytopenia
D. Hemoglobin to hematocrit ratio of 1:3
Answer: C. Thrombocytopenia
Q9: Which value represents a normal cerebrospinal fluid (CSF) pressure?
A. 150 mm H20
B. 223 mm H20
C. 58 mm H20
D. 27 mm H20
Answer: A. 150 mm H20
Q10: The presence of which substance would give cerebrospinal fluid (CSF) a smoky appearance?
A. Red blood cells (RBCs)
B. Bacteria
C. Protein
D. White blood cells (WBCs)
Answer: A. Red blood cells (RBCs)
