What is the function of the 'respiratory zone' in mammalian lungs:
A. conduct air to alveoli
B. clean inspired air
C. exchange gas between air and blood
D. humidify inspired air
E. warm inspired air
Answer: C. exchange gas between air and blood
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Which of the following describes the blind spot?
A. There are cone cells but no rod cells. B. It is where the iris casts a shadow on part of the retina. C. It is where the optic nerve leaves the eye. D. It is where bipolar cells block light from reaching the rods and cones. E. There are rod cells but no cone cells.
Muscles and glands that are capable of producing a response when stimulated by motor neurons are called
A. aponeuroses. B. effectors. C. neuromodulators. D. receptors. E. sensory organs.
Which are alternate names for the skin? Choose all that apply.
A. Peritoneum B. Cutaneous membrane C. Integument D. Synovial membrane
Which blood vessel drains the liver?
A. Hepatic vein B. Hepatic portal vein C. Hepatic artery