1) cholesterol is essential for the synthesis of steroid hormones.
2) the embryonic stage extends from 16 days through the end of week 8.
3) hemostasis is the production of formed elements of blood.
4) most neurons have multiple dendrites.
5) evolutionary (darwinian) medicine traces some of our diseases to our evolutionary
past.
6) the ureters pass anterior to the bladder and enter it from below.
7) which of the following is not normally found in saliva?
a. mucus
b. lysozyme
c. amylase
d. lipase
e. protease
8) a __________ contains the necessary information for the production of a molecule of
rna.
a. genome
b. gene
c. nucleotide
d. genetic code
e. codon
9) marfan syndrome is a hereditary defect of elastin fibers. people with this syndrome
have __________.
a. hyperextensible joints
b. a small cranium
c. elastic bones
d. stronger bones
e. viscous blood
10) t4 and t3 are __________ hormones that are mainly transported __________ in the
blood.
a. monoamine; bound to thyroxine-binding globulin (tbg)
b. monoamine; unbound (free)
c. steroid; bound to transcortin-binding protein (tbp)
d. steroid; unbound (free)
e. catecholamine; bound to thyroxine-binding globulin (tbg)
11) sodium has an atomic number of 11 and an atomic mass of 23. sodium has
__________.
a.12 neutrons and 11 protons
b.12 protons and 11 neutrons
c.12 electrons and 11 neutrons
d.12 protons and 11 electrons
e.12 electrons and 11 protons
12) the resistance stage in the general adaptation syndrome (stress response) is
dominated by __________.
a. cortisol
b. epinephrine
c. norepinephrine
d. angiotensin
e. aldosterone
13) mucin is secreted by__________ glands, which combines with water to form a
thick and sticky product. _________ glands produce a relatively watery fluid.
a. mucous; serous
b. merocrine; holocrine
c. apocrine; mixed
d. endocrine; exocrine
e. serous; mucous
14) approximately what percentage of the energy in a glucose molecule winds up in atp
with the rest lost as body heat?
a.10
b.20
c.40
d.80
e.98
15) which of the following hormones is not a tropin?
a. tsh
b. grh
c. acth
d. prl
e. trh
16) contraceptive pills mimic the ___________ feedback effect of ___________.
a. positive; fsh and lh
b. positive; estrogens and progesterone
c. negative; fsh and lh
d. negative; human chorionic gonadotropin (hcg)
e. negative; estrogens and progesterone
17) which of the following is a direct result of antidiuretic hormone?
a. decreased urine volume
b. decreased urine molarity
c. increased urine volume
d. increased urine salinity
e. increased urine acidity
18) chromatin shortens and thickens, coiling into compact rods during __________ of
mitosis.
a. telophase
b. anaphase
c. interphase
d. prophase
e. metaphase
19) which of the following cannot act as antigen-presenting cells?
a. reticular cells
b. dendritic cells
c. macrophages
d. b cells
e. t cells
20) which of the following is not a reason muscular weakness tends to develop in old
age?
a. aged muscle has less glycogen, myoglobin, and creatine phosphate.
b. there are fewer motor neurons in the spinal cord.
c. aged muscle fibers have fewer myofibrils.
d. there are fewer and smaller mitochondria in aged muscle.