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Pharmacology and Parasitology Quiz

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Questions and Answers

Which muscle is supplied with two nerves?

Brachioradialis

Flexor carpi radialis

Extensor carpi radialis brevis

Flexor digitorum profundus (correct)

What is the effect of chronic hyperparathyroidism on phosphate levels?

Phosphemia

Hyperphosphatemia

Hypophosphatemia

Phosphaturia (correct)

What type of hypersensitivity is demonstrated by the tuberculin test?

Type 1 hypersensitivity

Type 3 hypersensitivity

Type 4 hypersensitivity (correct)

Type 2 hypersensitivity

Which antigen-presenting cell is found in the epidermis?

Langerhans cell Signup and view all the answers

What is the drug of choice to close a patent ductus arteriosus?

Indomethacin Signup and view all the answers

What is the chemical mediator that is bound by the drug etanercept?

TNF alpha Signup and view all the answers

What is the type of cancer characterized by the production of melanin by tumor cells?

Malignant melanoma Signup and view all the answers

Which nerve is commonly injured in fractures of the shaft of the humerus?

Radial nerve Signup and view all the answers

What is the mechanism of action of botulinum toxin?

Blocks the release of acetylcholine from the nerve terminal Signup and view all the answers

What is the type of immunity that occurs when a mother passes antibodies to her fetus?

Natural passive immunity Signup and view all the answers

What is the effect of epinephrine on glycogen metabolism?

Stimulates glycogenolysis Signup and view all the answers

What is the type of vaccine that utilizes specific epitopes of microbial protein to produce a desired immune response?

Subunit vaccine Signup and view all the answers

Which part of the antibody is responsible for fixing complement?

Fc Signup and view all the answers

Where are acetylcholine receptors typically located in a muscle cell?

Sarcolemma Signup and view all the answers

What is the primary function of the sarcoplasmic reticulum in muscle physiology?

Release of calcium ions Signup and view all the answers

Which type of reflex is characterized by withdrawal of a limb in response to a noxious stimulus?

Flexor reflex Signup and view all the answers

What is the primary indication for administering indomethacin to a newborn?

Closure of the ductus arteriosus Signup and view all the answers

What is the characteristic distribution of lesions seen in massive migration of certain larvae?

Peri-umbilical distribution Signup and view all the answers