Hypothyroidism in adults caused by decreased production of thyroxine is known as
A. myxedema.
B. simple goiter.
C. exophthalmic goiter.
D. Graves' disease.
Answer: A
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Peyer's patches are clusters of lymphoid tissue found primarily in the large intestine
Indicate whether the statement is true or false
Match the following:
A) Erythropoietin B) Prostaglandin derivates such as Thrombozane A2 C) Spectrin D) Interleukins and CSFs E) Heparin 1) Produced by platelets. 2) A fibrous protein that gives shape to an RBC plasma membrane. 3) Hormone that stimulates production of RBCs. 4) Stimulates WBC production. 5) Natural anticoagulant found in basophils.
The earliest period of prenatal development is the ________ period.
A. fetal B. embryonic C. infant D. germinal E. neonatal
The ________ of a sound stimulus is interpreted as its pitch and measured in hertz, whereas its ________ is the amplitude of the sound waves and is measured in decibels.
A. frequency; loudness B. loudness; frequency C. timbre; loudness D. frequency; timbre