In fetal circulation, the high concentration of oxygen can be found in the blood of the ________.
A. aorta
B. umbilical arteries
C. ductus arteriosus
D. umbilical vein
Answer: D
Anatomy & Physiology
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Which of the following arises from the lumbar portion of the lumbosacral plexus?
A) tibial nerve B) peroneal nerve C) superior gluteal nerve D) pudendal nerve E) saphenous nerve
Anatomy & Physiology
The anterior root of a spinal nerve contains
a. axons of both motor and sensory neurons. b. axons of sensory neurons only. c. interneurons. d. axons of motor neurons only.
Anatomy & Physiology
Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by what?
A) Active transport B) Diffusion C) Filtration D) Osmosis
Anatomy & Physiology
The ________ follicle consists of an oocyte surrounded by a layer of squamous follicle cells
A) primordial B) secondary C) primary D) tertiary
Anatomy & Physiology