1) ependymal cells work to
a) surround the capillaries of the choroid plexus.
b) secrete csf into the ventricles.
c) remove waste products from csf.
d) adjust the composition of csf.
e) all of the answers are correct.
2) which of the following is not an upper limb bone?
a) ulna
b) radius
c) humerus
d) metatarsals
e) carpals
3) what structure do rbcs move through single file?
a) artery
b) arteriole
c) capillary
d) venule
e) vein
4) hydrogen atoms from one fadh2 from the citric acid cycle produce how much atp in
the electron transport system?
a) 32 atp
b) 2 atp
c) 3 atp
d) 4 atp
e) 1 atp
5) which of the following descriptions best matches the term calyx?
a) releases renin
b) creates high interstitial nacl concentration
c) final urine enters here
d) initial filtrate enters here
e) tip of the medullary pyramid
6) the taste sensation that is triggered by the amino acid glutamate is known as
a) sweet.
b) umami.
c) salty.
d) peppery.
e) sour.
7) functions of the accessory glands of the male reproductive system include all of the
following, except
a) production of spermatozoa.
b) meeting the nutrient needs of spermatozoa for motility.
c) propelling spermatozoa and fluids along the reproductive tract.
d) producing buffers.
e) activating the spermatozoa.
8) in the sympathetic nervous system, where are the preganglionic neurons located?
a) cervical and sacral segments of the spinal cord
b) sacral segments of the spinal cord
c) brain stem
d) thoracic and lumbar segments of the spinal cord
e) cerebellum
9) the organelles and the watery component of the cell together is called
a) cytosol.
b) protoplasm.
c) extracellular fluid.
d) interstitial fluid.
e) cytoplasm.
10) someone with a total cholesterol level between 200 and 239 mg/dl should
a) modify their diet.
b) lose weight if overweight.
c) have annual checkups.
d) reduce the amount of saturated fat in the diet.
e) all of the answers are correct.
11) when the left ventricle contracts, the distance from the apex to the base
a) increases.
b) decreases.
c) remains unchanged.
12) membrane proteins perform which of the following functions?
a) anchoring
b) receptors
c) recognition
d) enzymes
e) all of the answers are correct.