1) if the corpus callosum is surgically cut,
a) the two cerebral hemispheres operate independently.
b) symptoms of the “disconnection syndrome” appear.
c) objects touched by the left hand can be recognized but not verbally identified.
d) conscious decisions are made without regard to sensations from the left side.
e) all of the answers are correct.
2) each of the following muscles acts to flex the leg, except the
a) semimembranosus.
b) semitendinosus.
c) vastus lateralis.
d) gracilis.
e) sartorius.
3) an activated g protein can trigger
a) the production of diacylglycerol.
b) the opening of calcium ion channels in the membrane.
c) the release of calcium ions from intracellular stores.
d) a fall in camp levels.
e) all of the answers are correct.
4) all of the following are true of the kidneys, except that they are
a) located in a position that is retroperitoneal.
b) surrounded by a fibrous capsule.
c) located partly within the pelvic cavity.
d) held in place by the renal fascia.
e) covered by peritoneum.
5) which of these is most commonly fractured in a fall?
a) radius
b) scapula
c) clavicle
d) navicular
e) glenoid cavity
6) which salivary gland produces a serous secretion containing large amounts of
salivary amylase?
a) mandibular
b) sublingual
c) lingual
d) submandibular
e) parotid
7) a tactile receptor composed of highly coiled dendrites that are surrounded by
modified schwann cells and a fibrous capsule is a
a) lamellated corpuscle.
b) ruffini corpuscle.
c) tactile (meissner) corpuscle.
d) tactile (merkel) disc.
e) root hair plexus.
8) tissue that is specialized for contraction is ________ tissue.
a) loose connective
b) dense connective
c) epithelial
d) nerve
e) muscle
9) tom, a trumpet player, asks you which muscles he should develop in order to be a
better trumpeter. what would you tell him?
a) the masseter and buccinator
b) the buccinator and orbicularis oris
c) the orbicularis oris and risorius
d) the risorius and zygomaticus
e) the levator labii and mentalis
10) parathyroid hormone functions in all of the following ways, except that it
a) stimulates osteoclast activity.
b) increases the rate of calcium absorption.
c) decreases the rate of calcium excretion.
d) raises the level of calcium ion in the blood.
e) inhibits calcitonin secretion.
11) the chief difference between plasma and interstitial fluid involves the
a) concentration of water.
b) concentration of electrolytes.
c) concentration of nitrogen wastes.
d) concentration of proteins.
e) concentration of glucose.
12) the choroid plexus produces csf at a rate of about
a) 500 ml/day.
b) 250 ml/day.
c) 50 ml/day.
d) 1000 ml/day.
e) 150 ml/day.