Which of the following is a remnant of a short, muscular blood vessel that existed in the fetus?
A) hepatic portal
B) ligamentum arteriosum
C) ductus arteriosus
D) umbilical artery
E) fossa ovalis
B) ligamentum arteriosum
Anatomy & Physiology
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Drugs may influence synaptic transmission by
a. altering the formation of neurotransmitters b. blocking neurotransmitter reuptake c. blocking receptors d. blocking channels e. all of the above
Anatomy & Physiology
From which primary germ layer do both the skeletal and muscular systems develop?
A. Endoderm B. Ectoderm C. Mesoderm D. None of these choices are correct for both systems.
Anatomy & Physiology
A patient with diaphragmatic breathing without intercostal muscle use has MOST likely experienced a spinal injury above the level of:
A) C2. B) C5. C) C7. D) T2.
Anatomy & Physiology
The term 'menstrual cycle' describes events in the
A. uterus. B. uterine tubes. C. ovaries. D. vagina.
Anatomy & Physiology