Correct Answers
Which is the functional unit of striated muscle? - correct answers ✔✔A. A band
B. I band
C. H Zone
D. Sarcomere
D. Sarcomere
Slightly damaged tissue completely returns to its normal structure and function in which healing
process? - correct answers ✔✔A. Primary intention
B. Regeneration
C. Repair
D. Secondary intention
B. Regeneration
In a normal differential blood count, which is the most numerous white blood cell? - correct
answers ✔✔A. Basophils
B. Lymphocytes
C. Monocytes
D. Neutrophils
D. Neutrophils
,The two buccal roots are normally about the same length in: - correct answers ✔✔A. The
maxillary first molars only
B. the maxillary second molars only
C. the maxillary third molars only
D. both maxillary first and second molars
B. the maxillary second molars only
The most common autopsy finding in instances of sudden death as a result of myocardial
infarction is: - correct answers ✔✔A. aneurysm of the heart wall
B. coronary thrombosis
C. fibrous pericarditis
D. valvular prolapse
B. coronary thrombosis
Which is not a characteristic of salivary glycoproteins? - correct answers ✔✔A. block binding of
bacteria to pellicle
B. enhance binding of bacteria to tooth surfaces
C. interact with calcium and phosphate in hydroxyapatite
D. result from lysis of bacterial cell walls
B. enhance binding of bacteria to tooth surfaces
Each of the following statements is correct regarding saltatory conduction except one. What is
the exception? - correct answers ✔✔A. it involves the nodes of Ranvier
, B. it is associated with unmyelinated axons
C. it is energy saving
D. it is faster
B. It is associated with unmyelinated axons
Each of the following is a rule for antibiotic selection when managing an oral infection except
one. Which is the exception? - correct answers ✔✔A. debride infectious debris
B. provide effective environment for host immune response
C. select agent to which infecting organism is susceptible
D. select agent with broadest spectrum of activity
D. Select agent with broadest spectrum if activity
Thyroxine increases each of the following except one. Which is the exception? - correct answers
✔✔A. metabolic rate and heart production
B. oxygen consumption, breathing, and cardiac output
C. production of thyroid stimulating hormone by the pituitary gland
D. protein synthesis and enzyme production by cells
C. production of thyroid stimulating hormone by the pituitary gland
Which is correct concerning the primitive groove? - correct answers ✔✔A. assists in the
formation of trilaminar germ disc
B. located on the endoderm
C. located on the mesoderm
D. precursor of the bilaminar germ disk