Welcome to the Biological Effects Of Radiation MDCAT MCQs with Answers. In this post, we have shared Biological Effects Of Radiation Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Physics offers a chance to enhance your knowledge regarding Biological Effects Of Radiation MCQs in this MDCAT Online Test.
Biological Effects Of Radiation MDCAT MCQs Test Preparations
Which type of radiation is most likely to cause ionization in biological tissues?
a) Alpha rays
b) Beta rays
c) Gamma rays
d) X-rays
What is the primary biological effect of high doses of radiation?
a) Cellular mutation
b) Tissue necrosis
c) Increased immunity
d) Enhanced cell repair
Which organ system is most sensitive to radiation?
a) Nervous system
b) Respiratory system
c) Digestive system
d) Reproductive system
Radiation-induced cancer is an example of which type of effect?
a) Stochastic effect
b) Deterministic effect
c) Acute effect
d) Chronic effect
What is the term for the ability of radiation to cause genetic mutations?
a) Mutagenesis
b) Carcinogenesis
c) Teratogenesis
d) Teratogenesis
Which type of radiation has the highest penetrating power?
a) Alpha rays
b) Beta rays
c) Gamma rays
d) Neutron rays
What is the primary effect of radiation on DNA?
a) DNA replication
b) DNA fragmentation
c) DNA synthesis
d) DNA repair
Which of the following is a deterministic effect of radiation exposure?
a) Cancer
b) Leukemia
c) Cataracts
d) Genetic mutations
Radiation exposure can lead to which of the following in the hematopoietic system?
a) Anemia
b) Leukopenia
c) Thrombocytosis
d) Polycythemia
Which cells are most radiosensitive?
a) Muscle cells
b) Nerve cells
c) Epithelial cells
d) Bone cells
What is the effect of radiation on the immune system?
a) Immunoenhancement
b) Immunosuppression
c) Immune system activation
d) No effect
Which stage of the cell cycle is most sensitive to radiation?
a) G1 phase
b) S phase
c) G2 phase
d) M phase
Radiation-induced damage to the skin is referred to as:
a) Radiation dermatitis
b) Radiation burn
c) Radiation eczema
d) Radiation rash
The latency period for radiation-induced cancer is typically:
a) Immediate
b) Short-term
c) Long-term
d) Varies with the type of cancer
What is a common acute effect of high-dose radiation?
a) Nausea
b) Hair growth
c) Enhanced energy
d) Improved cognitive function
Which type of radiation is least penetrating?
a) Alpha rays
b) Beta rays
c) Gamma rays
d) X-rays
Radiation exposure during pregnancy can cause:
a) Genetic mutations
b) Enhanced fetal growth
c) Improved fetal development
d) No effect
Which of the following is an example of a chronic effect of radiation?
a) Acute radiation syndrome
b) Skin erythema
c) Chronic leukemia
d) Nausea
Radiation exposure can lead to which type of genetic effect?
a) Somatic mutation
b) Heritable mutation
c) Epigenetic change
d) Phenotypic change
What is the term for the effect of radiation on cells that have not yet divided?
a) Immediate effect
b) Delayed effect
c) Instantaneous effect
d) Pre-mitotic effect
Which type of radiation is used most commonly in cancer treatment?
a) Alpha particles
b) Beta particles
c) Gamma rays
d) Neutrons
What does the term “radiation hormesis” refer to?
a) Beneficial effects of low radiation doses
b) Harmful effects of high radiation doses
c) No effect of radiation
d) Linear increase in effects with dose
Which type of radiation is commonly used for imaging purposes?
a) Alpha rays
b) Beta rays
c) Gamma rays
d) Neutrons
What is the term for the change in tissue color due to radiation exposure?
a) Radiation pigmentation
b) Radiation dermatitis
c) Radiation erythema
d) Radiation rash
Which type of cells is least sensitive to radiation?
a) Skin cells
b) Nerve cells
c) Bone marrow cells
d) Blood cells
Radiation-induced cataracts are an example of which type of effect?
a) Acute
b) Stochastic
c) Deterministic
d) Chronic
What is the primary cause of radiation sickness?
a) Low-level exposure
b) High-dose exposure
c) Chronic exposure
d) Acute low-dose exposure
What is the effect of radiation on embryonic development?
a) Increased growth rate
b) No effect
c) Malformations
d) Enhanced development
What term describes radiation effects that depend on the dose and have a threshold?
a) Stochastic effects
b) Deterministic effects
c) Acute effects
d) Chronic effects
What is the impact of radiation on cell mitosis?
a) Increased mitosis rate
b) Decreased mitosis rate
c) No impact
d) Enhanced cell division
Which type of radiation can penetrate the body and affect internal organs?
a) Alpha rays
b) Beta rays
c) Gamma rays
d) Alpha and beta rays
How does radiation affect the reproductive cells?
a) Enhances fertility
b) Causes mutations
c) No effect
d) Improves genetic stability
Which of the following is a long-term effect of radiation exposure?
a) Acute radiation syndrome
b) Nausea
c) Cancer
d) Hair loss
Which type of radiation is used in radiation therapy for treating cancer?
a) Alpha particles
b) Beta particles
c) Gamma rays
d) All types
The dose of radiation required to cause tissue damage depends on:
a) Type of tissue
b) Duration of exposure
c) Amount of exposure
d) All of the above
What term describes the ability of radiation to cause cancer over time?
a) Acute effect
b) Stochastic effect
c) Deterministic effect
d) Immediate effect
Which organ is most affected by high doses of radiation in terms of acute effects?
a) Liver
b) Heart
c) Lungs
d) Skin
What is the effect of radiation on the cardiovascular system?
a) Improved function
b) No effect
c) Increased risk of cardiovascular disease
d) Enhanced blood circulation
What is the term for the effect of radiation on cells that have not yet replicated?
a) Pre-mitotic damage
b) Post-mitotic damage
c) Immediate effect
d) Acute effect
Which of the following is NOT a biological effect of radiation?
a) Increased cell proliferation
b) Genetic mutations
c) Cancer
d) Tissue necrosis
If you are interested to enhance your knowledge regarding Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.
