#1
Which gas is commonly used in cryosurgery for tissue freezing?
Oxygen
Nitrogen
Argon
Carbon dioxide
#2
What is the primary purpose of cryosurgery?
To heat tissues
To freeze tissues
To cut tissues
To inject medications
#3
Which of the following is NOT a potential application of cryosurgery?
Skin lesion removal
Prostate cancer treatment
Brain surgery
Cardiac ablation
#4
What is the critical temperature for tissue damage during cryosurgery?
#5
What is the primary mechanism of action in cryosurgery for tissue destruction?
Apoptosis
Necrosis
Fibrosis
Inflammation
#6
Which organ is most commonly treated with cryotherapy for cancer?
Kidney
Liver
Prostate
Pancreas
#7
What is the main advantage of cryosurgery over traditional surgery?
Lower cost
Faster recovery time
Less pain
No scarring
#8
What is the purpose of a cryoprotectant in cryobiology?
To induce tissue freezing
To prevent tissue damage during freezing
To accelerate tissue warming
To increase tissue oxygenation
#9
Which term refers to the study of the effects of low temperatures on living organisms?
Thermodynamics
Cryonics
Cryobiology
Thermotherapy
#10
In cryobiology, what is vitrification?
The process of tissue freezing
The process of tissue dehydration
The process of tissue warming
The process of converting tissue into glass-like state
#11
Which factor influences the depth of tissue destruction during cryosurgery?
Duration of freezing
Size of cryoprobe
Distance from blood vessels
All of the above
#12
What is the minimum temperature required for cryopreservation of biological samples?
#13
Which of the following is a potential limitation of cryosurgery?
Limited tissue penetration
High cost
Minimal tissue destruction
Inability to target specific tissues
#14
What is the primary challenge in cryopreserving large organs?
Formation of ice crystals
Limited storage space
Excessive tissue dehydration
Difficulty in achieving uniform cooling