1) the brain and spinal cord together compose the
a) central nervous system.
b) autonomic division system.
c) somatic motor division of the nervous system.
d) peripheral nervous system.
e) visceral nervous system.
2) if a scientific opinion has been verified repeatedly, it becomes a
a) model.
b) theory.
c) hypothesis.
d) law.
e) variable.
3) in the follicular phase of the ovarian cycle, the ovary is
a) undergoing atresia.
b) forming a corpus luteum.
c) releasing a mature egg.
d) secreting progesterone.
e) maturing a follicle.
4) match the cell type with its description.
a. lymphocytes
b. neutrophils
c. monocytes
d. eosinophils
e. basophils
cytotoxic, these cells are associated with allergic reactions and parasitic infestations.
usually these cells are less than 3% of the leukocyte population, and only live up to 12
hours.
5) the sac around the heart is the
a) peritoneum.
b) pleural sac.
c) pericardium.
d) myocardium.
e) epicardium.
6) match the term with its description (answers may be used more than once).
a. ependymal cells
b. astrocytes
c. satellite cells
d. schwann cells
e. oligodendrocytes
f. microglia
cells that myelinate only one axon each; multiple cells per axon
7) match the transport process to its description.
a. simple diffusion
b. facilitated diffusion
c. both
d. neither
the movement of molecules from an area of high concentration to an area of low
concentration
8) match the following structures with their functions.
a. pancreas
b. pylorus
c. rectum
d. small intestine
e. stomach
organ where most digestion occurs
9) the cause of skeletal muscle fatigue during extended submaximal exercise is
primarily a(n)
a) depletion of glycogen stores.
b) depletion of creatine stores.
c) increased inorganic phosphate (pi) concentration.
d) depletion of k+ stores.
10) sound waves are converted into mechanical movements (vibrations) by the
a) malleus.
b) cochlea.
c) oval window.
d) round window.
e) tympanic membrane.
11) match the cell type with its description.
a. lymphocytes
b. neutrophils
c. monocytes
d. eosinophils
e. basophils
these are the most abundant leukocyte; they are formed in the bone marrow.
12) surfactant
a) protects the surface of the lungs.
b) phagocytizes small particulate matter.
c) replaces mucus in the alveoli.
d) helps prevent the alveoli from collapsing.
e) is not found in healthy lung tissue.
13) the protein in the mitochondria that captures the kinetic energy of moving h+ ions
and converts it to the stored energy of atp is called
a) atp synthase.
b) lactate dehydrogenase.
c) oxidative phosphorylase.
d) glucokinase.
14) the hormone adh
a) is secreted by the anterior pituitary gland in response to changes in blood osmolarity.
b) stimulates the kidneys to retain sodium ion.
c) stimulates water conservation at the kidneys.
d) causes the kidneys to produce a large volume of urine.
e) all of the answers are correct.
15) match the specific enzyme to its class.
a. oxidoreductase
b. hydrolase
c. transferase
d. ligase
e. lyase
kinase
16) adipocytes secrete the hormone
a) ghrelin.
b) leptin.
c) neuropeptide y.
d) orexin.
e) insulin.
17) match the following terms with the correct descriptions.
a. lymphocytes
b. erythrocytes
c. eosinophils
d. platelets
e. neutrophils
often called immunocytes, these cells direct the activities of the immune system.
18) the function of the titin protein is to
a) stabilize the position of the contractile filaments.
b) pull z lines together during contraction.
c) interact with actin during contraction.
d) release calcium during contraction.
e) cover the myosin binding site on the actin molecule.
19) diet-induced thermogenesis is highest after ingestion of
a) spicy foods, like jalapeno peppers.
b) fats.
c) proteins.
d) carbohydrates.
20) chemicals known as ________ are fever-producing cytokines that are part of the
normal immune response.
21) compare and contrast the four basic methods of cell-to-cell communication.
22) list and discuss the benefits of exercise, especially in regard to decreased risk of
cardiovascular disease.
23) briefly explain the difference between open channels and gated channels.
24) what property of some cell membranes is associated with impermeability to water
molecules?
25) the male gametes are called ________.
26) at rest, nerve cells have an unequal distribution of ions on either side of the cell
membrane, producing the ________.
27) what are oropharynx receptors, which hormone do they suppress, and how is it
known that they exist? if a person stranded on a desert island drank seawater to try to
quench his thirst, how would this affect the oropharynx receptors?
28) reacts to blood group antigens
29) sketch a cell membrane. label at least three components and briefly explain what
each one does.