External resources MCQ 1

Question 1

An elderly patient with a severe throbbing headache located on the left side of her scalp and temple has a tender cord-like pulsatile structure on the left side of her head. What is a potential cause of this condition?
Tension headache
Temporal arteritis
Subdural hematoma
Postcoital headache
Migraine

Answer 1

Temporal arteritis

Question 2

What is TRUE regarding bacterial meningoencephalitis?
Severe disruption of the CSF blood-brain barrier leads to markedly elevated protein levels only.
Severe disruption of the CSF blood-brain barrier leads to markedly elevated WBC levels only.
Elevation of CSF glucose levels is seen.
Severe disruption of the CSF blood-brain barrier leads to markedly elevated protein and WBC levels.
Elevation of the protein level is due to lysis of the bacterial walls.

Answer 2

Severe disruption of the CSF blood-brain barrier leads to markedly elevated protein and WBC levels.

Question 3

The CSF in a patient with viral meningitis predominantly shows which type of leukocytes?
Neutrophils
Basophils
Monocytes
Eosinophils
Lymphocytes

Answer 3

Lymphocytes

Question 4

A CSF sample showing markedly elevated levels of WBC with predominant neutrophils and markedly depressed glucose levels most likely points toward which type of etiology?
Fungal meningitis
Viral meningitis
Acute bacterial meningitis
Herpes meningoencephalitis
Parasitic meningitis

Answer 4

Acute bacterial meningitis

Question 5

A 14-day-old female infant is brought to the ER with irritability and listlessness. Her mother complains that the child has not been feeding well and has been constantly crying for the last 24 hours. The child was born full term by normal vaginal delivery and does not have any medical conditions. A review of systems is unremarkable. Which of the following is the most likely pathogen causing the infant’s condition?
Haemophilus influenzae
Streptococcus pneumoniae
Neisseria gonorrhoeae
Listeria monocytogenes
Neisseria meningitidis

Answer 5

Listeria monocytogenes

Question 6

A 38-year-old man is brought to the ER with an altered sensorium. His wife says that he has been acting strangely for the last few days. He does not have any medical conditions. His vitals are normal, but his temperature is 101 degrees Fahrenheit. There is no history of chest pain, shortness of breath, diarrhea, or constipation. A physical examination shows flexion of his hips and knees when his neck is flexed. What is the most likely pathogen causing his condition?
Streptococcus viridans
Streptococcus bovis
Streptococcus pyogenes
Streptococcus pneumoniae
Streptococcus agalactiae

Answer 6

Streptococcus pneumoniae

Question 7

What substance is displaced from albumin when a sulfonamide is given to an infant with meningitis?
Iron
Conjugated bilirubin
Folic acid
Sulfur-containing moieties
Unconjugated bilirubin

Answer 7

Unconjugated bilirubin

Question 8

What is the most likely diagnosis in a patient with uncontrolled hypertension who comes in with a sudden-onset “thunderclap headache” described as the worst headache of their life?
Encephalitis
Temporal arteritis
Subdural hematoma
Subarachnoid hemorrhage
Cluster headache

Answer 8

Subarachnoid hemorrhage

Question 9

What is the most common etiology of bacterial meningitis in newborns?
Neisseria meningitidis
Streptococcus pneumoniae
Haemophilus influenza
Listeria monocytogenes
Streptococcus agalactiae

Answer 9

Streptococcus agalactiae

Question 10

What is the most common etiology of bacterial meningitis in a 1-year-old child?
Listeria monocytogenes
Streptococcus pneumoniae
Neisseria meningitidis
Haemophilus influenzae
Streptococcus agalactiae

Answer 10

Streptococcus pneumoniae