1) the enzyme rna polymerase participates in translation.
2) men have one rib fewer than women.
3) the hypothetico-deductive method is common in physiology, whereas the inductive
method is common in anatomy.
4) mental state does not affect metabolic rate.
5) enamel is found in the crown of a tooth, whereas dentin is part of both thecrown and
the root.
6) a stretch reflex is often accompanied by reciprocal inhibition.
7) molecules composed of two or more atoms are called compounds.
8) the elbow has both pivot and hinge joints.
9) the __________ phase isassociated with food stretching the stomach and activating
myenteric and vagovagal reflexes, which in turn stimulate gastric secretions.
a. cephalic
b. gastric
c. intestinal
d. gastrointestinal
e. mesenteric
10) what is the greatest determinant of theintracellular water volume?
a. k+
b. na+
c. ca2+
d. cl-
e. po4
3-
11) knownas “the father of modern anatomy,” __________ was the first to publish
accurate drawings of the body.
a. vesalius
b. maimonides
c. harvey
d. aristotle
e. van leeuwenhoek
12) which of the following makes it possible for even a small quantity of hormone to
have a strong effect on its target cell?
a. negative feedback inhibition
b. the antagonistic effect
c. up-regulation
d. enzyme amplification
e. down-regulation
13) what protein is the most important buffer in erythrocytes?
a. albumin
b. fibrinogen
c. gamma globulin
d. hemoglobin
e. myoglobin
14) the plasma membrane is mostly made of molecules that have hydrophilic heads and
hydrophobic tails. these molecules are called _________.
a. proteoglycans
b. glycolipids
c. glycoproteins
d. phospholipids
e. lipoproteins
15) a pyrogen is a substance that causes __________.
a. inflammation
b. opsonization
c. complement fixation
d. cytolysis
e. fever
16) which hormone suppresses spermatogenesis without affecting testosterone
secretion?
a. gonadotropin-releasing hormone (gnrh)
b. testosterone itself
c. inhibin
d. luteinizing hormone (lh)
e. follicle-stimulating hormone (fsh)
17) a growing long bone in a child has only two areas of cartilage at the epiphysis. these
two areas are the __________.
a. elastic cartilage and epiphyseal plate
b. epiphyseal plate and epiphyseal line
c. primary and secondary ossification centers
d. fibrocartilage and articular cartilage
e. articular cartilage and epiphyseal plate
18) scuba divers breathe a nitrogen-oxygen mixture rather than pure compressed
oxygen in order to avoid what condition?
a. the bends
b. oxygen toxicity
c. rapture of the deep
d. caisson disease
e. hypoxemic hypoxia
19) a fracture in which the bone is broken into three or more pieces is called a
__________ fracture.
a. linear
b. pott
c. comminuted
d. greenstick
e. compound
20) __________ have 46 chromosomes, whereas __________ have 23.
a. spermatids; spermatozoa
b. primary spermatocytes; spermatids
c. secondary spermatocytes; primary spermatocytes
d. spermatogonia; primary spermatocytes
e. type a spermatogonia; type b spermatogonia
21) a skeletal muscle generates the greatest tension when it is __________.
a. greatly stretched before being stimulated
b. partially stretched before being stimulated
c. fully relaxed before being stimulated
d. well-rested and low in creatine phosphate
e. high in lactic acid concentration
22) the __________ is not part of the tibiofemoral joint.
a. lateral meniscus
b. anterior cruciate ligament (acl)
c. tibial (medial) collateral ligament
d. fibular (lateral) collateral ligament
e. posterior tibiofibular ligament
23) hypocalcemia stimulates __________.
a. a decrease in aldosterone production
b. secretion of parathyroid hormone
c. secretion of renin
d. an increase in blood urea nitrogen
e. vasoconstriction of the afferent arterioles
24) calluses or corns are the result of accelerated multiplication by ___________.
a. melanocytes
b. keratinocytes
c. fibroblasts
d. tactile cells
e. red blood cells
25) a __________ reaction breaks a __________ down into its monomers.
a.hydrolysis; polymer
b.dehydration synthesis; molecule
c.dehydration synthesis; polymer
d.polymer; molecule
e.condensation; reactant