In terms of plasma membrane transport, which descriptor is the most accurate?
a. permeable
b. selectively permeable
c. non-permeable
d. porous
e. sealed
b
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The function of the coronary sinus is to
A. connect the top and bottom halves of the heart. B. guide the inferior vena cava into the right atrium. C. shunt blood from the right atrium to the left atrium. D. take blood from the coronary circulation to the right atrium. E. guide the aorta out of the heart.
Platyhelminthes exhibit which of the following lifestyles?
A) Free-living B) Free-living and ectoparasitic C) Ectoparasitic and endoparasitic D) Free-living, ectoparasitic, and endoparasitic
Which of the following statements about sweat glands is NOT true?
a. Sweat glands are derived from the epidermis. b. Sweat glands are important in thermoregulation. c. Sweat glands produce anti-microbial compounds. d. Sweat glands produce sebum. e. None of these.
The space superficial to the meninges in the spinal cord area and in which an anesthetic is injected to block pain impulses from the pelvic area is the
A) dural sinus. B) epidural space. C) subarachnoid space. D) subdural space.