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Immunology
When a patient’s immune system becomes reactive to a drug, this is an example of?
When a patient's immune system reacts to a drug, it is an allergic reaction, which is an immune-mediated hypersensitivity to the drug.
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Blood Group Inheritance
It is impossible for a baby with blood type O+ to have a mother with which blood type?
A baby with blood type O+ cannot have an AB- mother because the mother with AB blood type has A and B alleles, so the baby cannot inherit O blood type from her. Also, the Rh factor incompatibility is possible, but the ABO incompatibility makes AB mother impossible for an O baby.
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Nervous System
The autonomic nervous system innervates all of these except:
The autonomic nervous system controls involuntary muscles such as cardiac and smooth muscles, but it does not innervate skeletal muscles, which are controlled by the somatic nervous system.
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Bacteriology
Which of the following is a focus area of bacteriology?
Bacteriology is the branch of microbiology that focuses on the study of bacteria, including their structure, genetics, and ecology. The other options relate to different fields: virology (viruses), mycology (fungi), and parasitology (parasites).
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Microbiology
What is the study of bacteria called?
Bacteriology is the branch of science that studies bacteria. Virology studies viruses, Mycology studies fungi, and Parasitology studies parasites.
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Endocrine System
Anti Diuretic Hormone is secreted by which of the following glands?
Anti Diuretic Hormone (ADH) is secreted by the posterior pituitary gland, which regulates water balance in the body by controlling the amount of water reabsorbed by the kidneys.
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Human Anatomy
The shape of the external ear is due to _________?
The external ear's shape is maintained by elastic cartilage, which provides both structure and flexibility. Fibrocartilage and articular cartilage are found in other parts of the body and do not contribute to the ear's shape.
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Eye Disorders
Myopia is a disease connected with ____?
Myopia, also known as nearsightedness, is a common eye condition where distant objects appear blurry because the eye focuses images in front of the retina instead of on it. Therefore, it is directly related to the eyes.
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Human Skeletal System
How many bones are there in a newly born infant?
A newly born infant has approximately 270 to 300 bones, which later fuse to form the 206 bones found in an adult human skeleton. Therefore, option D (300) is the closest and correct answer.
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Infectious Diseases
Which of the following diseases is caused by a virus?
Smallpox is caused by the variola virus, making it a viral disease. Tuberculosis is caused by bacteria (Mycobacterium tuberculosis), malaria by a protozoan parasite (Plasmodium species), and cholera by bacteria (Vibrio cholerae).