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Question 1
Which size of particulate matter is considered most harmful to health?
- Fine or ultra-fine particles smaller than 10 µm
- Particles between 10 and 50 µm
- Particles between 50 and 100 µm
- Particles larger than 100 µm
Question 2
Acute carbon monoxide poisoning is characterized by a generalized cherry-red color of the skin and mucous membranes.
- True
- False
Question 3
In chronic carbon monoxide poisoning, ischemia of the central nervous system characteristically affects which region?
- Globus pallidus of the basal ganglia
- Hippocampus
- Cerebellar vermis
- Occipital cortex
Question 4
Which substance is a radioactive gas derived from uranium that can cause lung cancer?
- Radon
- Benzene
- Cadmium
- Asbestos
Question 5
Which pattern of anemia is caused by lead poisoning?
- Microcytic, hypochromic, sideroblastic anemia
- Macrocytic anemia
- Normocytic, non-regenerative anemia
- Hemolytic anemia with spherocytes
Question 6
Lead inhibits ALA dehydratase and ______, two enzymes involved in heme synthesis.
Fill in the blank
Question 7
Basophilic stippling in erythrocytes is characteristic of poisoning with which agent?
- Lead
- Arsenic
- Cadmium
- Benzene
Question 8
Which liver malignancy is associated with chronic arsenic poisoning?
- Angiosarcoma
- Hepatocellular carcinoma
- Cholangiocarcinoma
- Hepatoblastoma
Question 9
White transverse lines on the fingernails caused by chronic arsenic poisoning are called ______ lines.
Fill in the blank
Question 10
Itai-Itai disease, characterized by osteoporosis, osteomalacia, and renal disease, is caused by poisoning with which metal?
- Cadmium
- Lead
- Arsenic
- Mercury
Question 11
Chronic cadmium exposure is associated with an increased risk of lung cancer.
- True
- False
Question 12
Benzene poisoning is characterized by dose-dependent development of which hematologic condition?
- Aplastic anemia
- Iron deficiency anemia
- Polycythemia
- Microangiopathic hemolytic anemia
Question 13
Exposure to vinyl chloride is most strongly associated with which liver malignancy?
- Angiosarcoma
- Hepatocellular carcinoma
- Cholangiocarcinoma
- Hepatoblastoma
Question 14
Which exposures are classically associated with an increased risk of lung cancer?
- Radon, asbestos, and arsenic
- Vinyl chloride and benzene
- Naphthylamines and rubber products
- Polychlorinated biphenyls
Question 15
Silica and asbestos are typically associated with pulmonary fibrosis.
- True
- False
Question 16
Exposure to naphthylamines and rubber products is associated with cancer of which organ?
- Bladder
- Liver
- Lung
- Skin
Question 17
Benzene exposure can cause aplastic anemia and leukemia.
- True
- False
Question 18
Which agent causes aplastic anemia and leukemia?
- Benzene
- Vinyl chloride
- Asbestos
- Radon
Question 19
Polychlorinated biphenyls can cause folliculitis and which additional skin finding?
- Acneiform dermatosis
- Psoriasis
- Vitiligo
- Urticaria
Question 20
Polychlorinated biphenyls can cause folliculitis and ______ dermatosis.
Fill in the blank
Question 21
Which of the following is one of the three strongest carcinogens in tobacco smoke?
- Nitrosamine
- Vinyl chloride
- Benzene
- Arsenic
Question 22
The three strongest carcinogens in tobacco smoke are polycyclic aromatic hydrocarbons, benzopyrenes, and ______.
Fill in the blank
Question 23
Polycyclic aromatic hydrocarbons are among the strongest carcinogens in tobacco smoke.
- True
- False
Question 24
Which of the following is associated with pulmonary fibrosis?
- Silica and asbestos
- Benzene
- Naphthylamines
- Polychlorinated biphenyls
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