20. Concerning the repair of a well opposed, clean surgical incision:
Anonymous Quiz
40%
a) Dermal appendages destroyed by the incision usually recover
30%
b) New collagen begins to accumulate after the first week
0%
c) Granulation tissue does not occur
30%
d) There is an initial inflammatory response
21. Morphology of tissue scar includes all of the following except:
Anonymous Quiz
0%
a) Pale in color
9%
b) Nearly avascular
73%
c) Composed of active fibroblasts & dense collagen
18%
d) Myofibroblasts help to reduce its size
22. In time repair, cells are attached to the surrounding extracellular matrix by cell surface proteins called:
Anonymous Quiz
55%
a) Fibronectin
45%
b) Integrin
0%
c) Selectin
0%
d) Laminin
23. One of these growth factors has inhibitory activity on the cells:
Anonymous Quiz
0%
a) EGF
17%
b) VEGF
67%
c) TGF-B
17%
d) FGF
24. Which of the following vitamins important for tissue repair?
Anonymous Quiz
17%
a) Vitamin A
75%
b) Vitamin C
8%
c) Vitamin E
0%
d) Vitamin B12
26. Healing of peripheral nerves occurs mainly by proliferation of:
Anonymous Quiz
0%
a) The axon
0%
b) The myelin sheath
90%
c) Schwann cells
10%
d) Glial cells
27. Chromatolysis means:
Anonymous Quiz
0%
a) Neuronal swelling
0%
b) Axonal degeneration
50%
c) Degradation of neuronal nucleus
50%
d) Loss of nissl granules
28. In Wallerian degeneration:
Anonymous Quiz
36%
a) Axons degenerate proximally until the cell body
55%
b) The axon & the myelin disintegrate distally
9%
c) Schwann cells are kst
0%
d) Full recovery always occur
Neoplasia
1. Regarding hypertrophy:
1. Regarding hypertrophy:
Anonymous Quiz
9%
a) Increased size and weight organ due to cell replication
18%
b) Pregnant uterus is an example of adaptive type
0%
c) Urinary bladder hypertrophy is an example of compensatory type
73%
d) Unilateral kidney hypertrophy may result on surgical removal of the other kidney
2. The following are examples of pathological hyperplasia except:
Anonymous Quiz
67%
a) Bone marrow hyperplasia after hemorrhage
22%
b) Endometrial hyperplasia
11%
c) Benign prostatic hyperplasia
0%
d) Lymphoid hyperplasia
3. The following are examples of pathological hypertrophy except:
Anonymous Quiz
9%
a) Left ventricular hypertrophy in hypertension
64%
b) Uterine hypertrophy in pregnancy
18%
c) Compensatory kidney hypertrophy
9%
d) Urinary bladder hypertrophy in strictures
5. Regarding causes of localized atrophy, which of the following is not true:
Anonymous Quiz
20%
a) Renal atrophy due to renal atherosclerosis of renal artery
0%
b) Atrophy of vertebral bodies by aneurysm
0%
c) Atrophy of limb muscles in poliomyelitis
80%
d) Chronic malnutrition and starvation
21) An infarct is most frequently characterized by what type of necrosis?
Anonymous Quiz
8%
a) Caseous
69%
b) Coagulative
0%
c) Fatty
23%
d) Gangrenous
3- Release of calcium from sarcoplasmic reticulum of skeletal muscle is prevented by:
Anonymous Quiz
79%
a. Dantarolene
7%
b. Tubocurarine
7%
c. Baclofen
7%
d. Succinylcholine
4- Concerning skeletal muscle relaxants, which of the following is INCORRECT:
Anonymous Quiz
11%
a. Atracurium is a competitive neuromuscular blocker
0%
b. Succinylcholine is a depolarizing neuromuscular blocker
89%
c. Neostigmine can reverse the action of succinylcholine.
0%
d. Benzodiazepines are central muscle relaxants.
5- Prolonged apnea is sometimes seen in patients who have undergone an operation. Which of the following muscle relaxants could be the cause?
Anonymous Quiz
10%
a- Tubocurarine
90%
b- Succinylcholine
0%
c- Mivacurium
0%
d- Vecuronium
6- The underlying cause of the prolonged apnea resulting from succinylcholine is:
Anonymous Quiz
10%
a- Cardiac arrest
10%
b-A mutation in acetyl cholinesterase
30%
c- Increased release of nicotine at MĪĪ”
50%
d- Decreased levels of plasma cholinesterase
7-A 30 year-old female is being prepared for anesthesia before exploratory surgery for a mass in her neck.In addition to using an inhalation anesthetic, which one of the following drugs is given to cause complete paralysis of the skeletal muscles?
Anonymous Quiz
20%
a- Baclofen
50%
c- Atracurium
20%
b- Dantrolene
10%
d- Diazepam
8- patient having normal hepatic & renal functions was given a bolus I.V. dose of a NM blocker with duration of action should have lasted for 5-10 min. Instead, the patient required mechanical ventilation for 8 hours. Which statement is correct?
Anonymous Quiz
10%
a- The agent administered was atracurium
70%
b- This is an example of genetic variation in drug metabolism
10%
c- The agent was tubocurarine
10%
d- It is due to rapid distribution of the drug into the brain