Which structure is the adult remnant of the umbilical vein?
A) Fossa ovalis
B) Ligamentum venosum
C) Ligamentum arteriosum
D) Ligamentum teres
Answer: D
Anatomy & Physiology
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All of the following proteins are part of the thin filaments except
A) actin. B) tropomyosin. C) troponin. D) titin. E) None of the answers is correct; there are no exceptions.
Anatomy & Physiology
Straight tubules originate at the seminiferous tubules and form a maze of passageways called the
A) afferent ducts. B) efferent ducts. C) ductus deferens. D) epididymis. E) rete testis
Anatomy & Physiology
The ________ is responsible for controlling the normal rhythmic cycle of breathing.
A. pontine respiratory group B. hypothalamus C. ventral respiratory group D. dorsal respiratory group
Anatomy & Physiology
Hypothyroidism in adults causes ________.
A. myxedema B. Cushing's disease C. cretinism D. Graves' disease
Anatomy & Physiology