FIRST ASSISTANT LATEST
EXAM
Which of the following local anesthetics is used most frequently for
preoperative ocular instillation?
A. Lidocaine
B. Tetracaine
C. Bupivacaine
D. Mepivacaine - ANSWERS-B. Tetracaine
A solution used for eye irrigation is:
A. Phenylephrine HCL
B. Normal saline
C. Alpha chymotrypsin
D. Balanced salt solution - ANSWERS-D. Balanced salt solution
Which of the following is a dye used in ophthalmic surgery to diagnose
corneal abrasions?
A. Fluorescein sodium
B. Methylene blue
C. Indigo carmine
D. Gentain violet - ANSWERS-A. Fluorescein sodium
END OF
PAGE
1
, FIRST ASSISTANT LATEST
EXAM
The reactions ototoxicity and nephrotoxicity can be a result of
administering:
A. Penicillins
B. Aminoglycosides
C. Cephalosporins
D. Tetracyclines - ANSWERS-B. Aminoglycosides
Which of the following drugs paralyzes the sphincter muscle of the iris?
A. Miotics
B. Cycloplegics
C. Enzymes
D. Viscoelastics - ANSWERS-B. Cycloplegics
Which of the following statements describes second degree AV block?
A. Conduction time is prolonged, but atrial beats are followed by
ventricular beats.
B. Ventricle contacts before the normal series of cardiac cycle
C. Some, but not all, atrial beats are conducted to the ventricles
END OF
PAGE
2
, FIRST ASSISTANT LATEST
EXAM
D. Occurs in the AV node, bundle of His, or any of the bundle branches
- ANSWERS-C. Some, but not all, atrial beats are conducted to the
ventricles
The P-wave displays _______, and the PR segment is caused by the
delay in the AV node.
A. Atrial depolarization
B. Electrical activity
C. Ventricular repolarization
D. Activation of right and left ventricles - ANSWERS-A. Atrial
depolarization
The T-wave indicates:
A. Ventricular repolarization
B. Atrial repolarization
C. The strength of the electrical signal
D. The time interval between atrial and ventricular contractions -
ANSWERS-Ventricular repolarization
END OF
PAGE
3
, FIRST ASSISTANT LATEST
EXAM
An emergency drug used for treating ventricular fibrillation or
tachycardia is:
A. Aramine (R)
B. Atropine (R)
C. Inderal (R)
D. Calcium chloride - ANSWERS-Inderal (R)
High doses of nitrous oxide block the metabolism of which of the
following?
A. Vitamin B6
B. Vitamin B12
C. Vitamin C
D. Vitamin D - ANSWERS-Vitamin B12
An emergency drug used in cardiac surgery that increases myocardial
contractility is:
A. Calcium chloride
B. Levarterenol (Levophed (R))
C. Isoproterenol hydrochloride (Isuprel (R))
END OF
PAGE
4
EXAM
Which of the following local anesthetics is used most frequently for
preoperative ocular instillation?
A. Lidocaine
B. Tetracaine
C. Bupivacaine
D. Mepivacaine - ANSWERS-B. Tetracaine
A solution used for eye irrigation is:
A. Phenylephrine HCL
B. Normal saline
C. Alpha chymotrypsin
D. Balanced salt solution - ANSWERS-D. Balanced salt solution
Which of the following is a dye used in ophthalmic surgery to diagnose
corneal abrasions?
A. Fluorescein sodium
B. Methylene blue
C. Indigo carmine
D. Gentain violet - ANSWERS-A. Fluorescein sodium
END OF
PAGE
1
, FIRST ASSISTANT LATEST
EXAM
The reactions ototoxicity and nephrotoxicity can be a result of
administering:
A. Penicillins
B. Aminoglycosides
C. Cephalosporins
D. Tetracyclines - ANSWERS-B. Aminoglycosides
Which of the following drugs paralyzes the sphincter muscle of the iris?
A. Miotics
B. Cycloplegics
C. Enzymes
D. Viscoelastics - ANSWERS-B. Cycloplegics
Which of the following statements describes second degree AV block?
A. Conduction time is prolonged, but atrial beats are followed by
ventricular beats.
B. Ventricle contacts before the normal series of cardiac cycle
C. Some, but not all, atrial beats are conducted to the ventricles
END OF
PAGE
2
, FIRST ASSISTANT LATEST
EXAM
D. Occurs in the AV node, bundle of His, or any of the bundle branches
- ANSWERS-C. Some, but not all, atrial beats are conducted to the
ventricles
The P-wave displays _______, and the PR segment is caused by the
delay in the AV node.
A. Atrial depolarization
B. Electrical activity
C. Ventricular repolarization
D. Activation of right and left ventricles - ANSWERS-A. Atrial
depolarization
The T-wave indicates:
A. Ventricular repolarization
B. Atrial repolarization
C. The strength of the electrical signal
D. The time interval between atrial and ventricular contractions -
ANSWERS-Ventricular repolarization
END OF
PAGE
3
, FIRST ASSISTANT LATEST
EXAM
An emergency drug used for treating ventricular fibrillation or
tachycardia is:
A. Aramine (R)
B. Atropine (R)
C. Inderal (R)
D. Calcium chloride - ANSWERS-Inderal (R)
High doses of nitrous oxide block the metabolism of which of the
following?
A. Vitamin B6
B. Vitamin B12
C. Vitamin C
D. Vitamin D - ANSWERS-Vitamin B12
An emergency drug used in cardiac surgery that increases myocardial
contractility is:
A. Calcium chloride
B. Levarterenol (Levophed (R))
C. Isoproterenol hydrochloride (Isuprel (R))
END OF
PAGE
4
