d) preventing blood from re-entering a ventricle.
e) regulating blood pressure in veins.
8) the portion of the nephron that empties into the collecting duct is the
a) nephron loop (loop of henle).
b) proximal convoluted tubule.
c) distal convoluted tubule.
d) papillary tubule.
e) calyx.
9) contractions of the bulbospongiosus muscles result in
a) erection.
b) emission.
c) ejaculation.
d) detumescence.
e) impotence.
10) the muscular layer in the wall of a blood vessel is the
a) tunica intima.
b) tunica externa.
c) tunica media.
d) tunica interna.
e) tunica adventitia.
11) while volunteering in an outpatient clinic for underprivileged families in your
neighborhood, you observe the nurse assessing an infant. the mother had complained
about the baby not eating and having several episodes of diarrhea lasting 3 days. you
know the nurse suspects possible dehydration when she
a) checks the anterior fontanel for depression.
b) points out the dryness of the infant’s diaper.
c) checks the infant’s reflexes.
d) questions the mother about normal feeding habits.
e) none of the answers are correct.