MCCQE1 PE Lite 425B UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What is the first-generation cephalosporin used before dental work for patients allergic to
penicillin? - CORRECT ANSWER - Cephalexin is used if the patient is penicillin-allergic
but not anaphylactic.
Which patients are indicated for first-generation cephalosporins before dental work? -
CORRECT ANSWER - Patients with prosthetic heart valves, prior infective endocarditis,
and certain forms of congenital heart disease.
What is the difference between positive and negative symptoms in schizophrenia? - CORRECT
ANSWER - Positive symptoms add to experiences, like auditory/visual hallucinations,
while negative symptoms involve a flat affect and loss of emotions.
What is the term for a disorganized thought pattern often seen in cannabis use? - CORRECT
ANSWER - Thought disorder, characterized by a string of disconnected thoughts.
What is the clinical significance of a short gut syndrome? - CORRECT ANSWER - It
results from the resection of multiple parts of the small bowel, leading to dumping syndrome and
hypoglycemia.
What is the consequence of terminal ileum resection? - CORRECT ANSWER - It affects
B12 and bile acid absorption, leading to fat malabsorption.
What is the clinical presentation of tension pneumothorax? - CORRECT ANSWER - It
presents with elevated JVP, low BP, and absent breath sounds, often requiring needle
thoracostomy.
What are the components of Beck's triad in cardiac tamponade? - CORRECT ANSWER -
Hypotension, elevated JVP, and muffled heart sounds.
ACTUAL Exam Questions and CORRECT
Answers
What is the first-generation cephalosporin used before dental work for patients allergic to
penicillin? - CORRECT ANSWER - Cephalexin is used if the patient is penicillin-allergic
but not anaphylactic.
Which patients are indicated for first-generation cephalosporins before dental work? -
CORRECT ANSWER - Patients with prosthetic heart valves, prior infective endocarditis,
and certain forms of congenital heart disease.
What is the difference between positive and negative symptoms in schizophrenia? - CORRECT
ANSWER - Positive symptoms add to experiences, like auditory/visual hallucinations,
while negative symptoms involve a flat affect and loss of emotions.
What is the term for a disorganized thought pattern often seen in cannabis use? - CORRECT
ANSWER - Thought disorder, characterized by a string of disconnected thoughts.
What is the clinical significance of a short gut syndrome? - CORRECT ANSWER - It
results from the resection of multiple parts of the small bowel, leading to dumping syndrome and
hypoglycemia.
What is the consequence of terminal ileum resection? - CORRECT ANSWER - It affects
B12 and bile acid absorption, leading to fat malabsorption.
What is the clinical presentation of tension pneumothorax? - CORRECT ANSWER - It
presents with elevated JVP, low BP, and absent breath sounds, often requiring needle
thoracostomy.
What are the components of Beck's triad in cardiac tamponade? - CORRECT ANSWER -
Hypotension, elevated JVP, and muffled heart sounds.
