The inability to chew would be associated with damage to the ophthalmic division of
the trigeminal nerve.
Preload is the amount of blood in the ventricles right before they begin to contract.
Pulmonary blood pressure is higher than arterial blood pressure because the blood flows
a shorter distance.
Monosodium glutamate stimulates bitter taste receptors.
Both innate and adaptive immunity processes are necessary for local inflammation to
function properly.
Most enzymes are lipids.
Neutrons are uncharged particles found in the nucleus of an atom.
Cells in the G1 phase of the cell cycle contain half as much DNA as cells in the G2
phase.
Hyperphagia is produced by destroying the ventromedial area of the hypothalamus.
Leukocytes secrete serotonin which will cause constriction of blood vessels, thus
reducing the loss of blood.
During a chemical reaction, a catalyst increases the rate at which the reaction occurs.
Enamel, which is harder than bone or dentin, cannot be regenerated.
Resistance in cerebral blood vessels is decreased by hypoventilation.
Increased circulating lactate dehydrogenase may indicate that a myocardial infarction
has occurred within the past week.
Inulin clearance gives a measurement of the glomerular filtration rate.
During skeletal muscle contraction the A band decreases in size.
Glial cells normally lose their mitotic ability prior to birth.
The thick filament is split by a Z disc.
Rods and cones face to the front of the eyeball (toward the incoming light).
Complement proteins facilitate opsonization.
The T wave of the ECG represents atrial repolarization.
Sympathetic and parasympathetic neurons generally release different neurotransmitters
to their smooth muscle effector cells, which is why these neurons often have
antagonistic effects.
Catalysts increase reaction rates by lowering the activation energy of a reaction.
The frequency of action potentials in sensory nerves associated with the arterial
baroreceptors is directly proportional to mean arterial pressure.
The chorionic membrane of the zygote has genes from the father and is therefore
foreign to the mother’s immune system.
Most of the food is digested and absorbed through the wall of the stomach.
Impaired voluntary movements would suggest damage to the basal nuclei.
Kallikrein is the active form of plasminogen.
Chylomicrons are combinations of lipid and protein formed in intestinal epithelial cells.
The follicular phase is characterized by elevated rising concentrations of estrogen.
Glycine and GABA stimulate opening of Cl– channels.
Damage to the gray rami communicantes would inhibit the parasympathetic division of
the autonomic nervous system.
Antibodies act as “red flags” to identify antigens or pathogenic organisms for
phagocytosis or action by complement.
Organs are comprised of groupings of the four primary tissues into structural and
functional units.
Which of the following is NOT a function of a purine-containing nucleotide?
A.neurotransmitter
B.hormone
C.energy carrier
D.coenzymes
What can be used to treat carbon monoxide poisoning and gangrene?
A.hypoventilation
B.blood letting
C.hyperbaric oxygen therapy
D.carbon dioxide therapy
______________ is the universal energy carrier.
A.Glucose
B.ATP
C.ADP
D.GTP
The endocrine and nervous systems are considered _________ homeostatic regulatory
mechanisms.
A. intrinsic
B. active
C. extrinsic
D. passive
Which of the following is NOT part of a phase I clinical trial?
A.testing on the target human population
B.testing how the drug is metabolized
C.testing how rapidly the drug is removed from the body
D.testing the most effective administration of the drug
Which of the following is NOT a function of Sertoli cells?
A.production of androgen-binding protein
B.FSH stimulation of spermiogenesis
C.protection of developing sperm from the male’s immune system
D.production of testosterone
Which part of the brain helps to regulate the ANS actions from the medulla during
motion sickness?
A. hypothalamus
B. limbic system
C. cerebrum
D. cerebellum
Nociceptors may be either myelinated or unmyelinated and function to carry pain
sensations to the spinal cord using ____________ and ________________ as
neurotransmitters.
A.substance P, norepinephrine
B.glutamate, acetylcholine
C.substance P, glutamate
D.acetylcholine, substance P
What organ secretes erythropoietin?
A.kidneys
B.liver
C.bone marrow
D.lungs
Long folds of the stomach’s inner surface are called
A. plicae.
B. rugae.
C. gastric pits.
D. ghrelin.
What hormone is secreted by the trophoblast cells of the chorion that is used in a
pregnancy test to determine if a woman is pregnant?
A.LH
B.hCG
C.estrogen
D.oxytocin
What is the procedure in which some amnionic fluid is aspired in order to obtain
sloughed off fetal cells for examination?
A.placentocentesis
B.amniocentesis
C.chorioncentesis
D.uterocentesis
ADH would be considered a(n) ____________ regulator of blood flow.
A.intrinsic
B.extrinsic
C.hormonal
D.Both extrinsic and hormonal are correct
Contraction of ____________ muscle can be consciously controlled.
A.cardiac
B.smooth
C.skeletal
Interferons
A.stimulate viral replication.
B.provide humoral immunity.
C.provide nonspecific immunity.
D.are produced by viruses.
Which of the following is NOT a result of stimulation of atrial stretch receptors?
A.stimulates reflex tachycardia
B.increased secretion of ANP
C.decreased water excretion
D.inhibition of ADH
The process in which lymphocytes that recognize self-antigens are prevented from
being activated is
A.clonal anergy.
B.clonal deletion.
C.clonal selection.
D.apoptosis.
Damage to the midbrain would probably have a greater effect on the _____________
division of the autonomic nervous system.
A.sympathetic
B.parasympathetic
C.somatic
D.sensory
Microtubules and microfilaments are the primary components of the
A.cytosol.
B.nucleus.
C.cytoskeleton.
D.plasma membrane.
Stress would cause GI motility and secretions to be
A.increased.
B.decreased.
C.unchanged.
Skeletal muscle cells are multinucleated. This is called a/an
A. myoblast.
B. striation.
C. syncytium.
D. endomysium.
Which of the following is a precursor to melatonin synthesis?
A.tryptophan
B.serotonin
C.tyrosine
D.Both tryptophan and serotonin are correct.
Which of the following is NOT true of phospholipids?
A. They are glycolipids originally isolated from the prostate gland.
B. They are major components of the cell membrane.
C. They have a polar head and a nonpolar tail.
D. They are amphipathic molecules.
The ability of a neuron to transmit charge through its cytoplasm is called cable
properties and is very
A. good.
B. strong.
C. poor.
D. easy.
Angiotensin I is formed from the plasma protein ____ by the action of the enzyme
____.
A. Angiotensin II; renin.
B. angiotensinogen; ACE.
C. angiotensinogen; renin.
D. renin: ACE.
What structures aid in our ability to identify potential pathogens as foreign and not self
by bonding to PAMPs?
A.complement
B.LPS
C.cytokines
D.toll-like receptors
What substance is necessary for the hydrolysis of complex food molecules?
A.specific enzyme
B.acid
C.water
D.Both a specific enzyme and water are correct.
_____________ receptors undergo slow adaptation.
A.Tonic
B.Phasic
What feature is the main characteristic of connective tissue?
A.large amount of closely packed cells
B.large amount of extracellular material
C.the ability to conduct a current
D.small amount of extracellular material
What type of cell found in the blood produces antibodies?
A.monocyte
B.plasma cell
C.basophil
D.neutrophil
The actions of thyroxine ________ the production of metabolic heat.
A.increase
B.decrease
C.have no effect on
Normal arterial PO2 is
A.40 mm Hg.
B.46 mm Hg.
C.85 mm Hg.
D.100 mm Hg.
Ventricular depolarization
A.occurs prior to atrial depolarization.
B.appears as the T wave on an ECG.
C.appears as the P wave on an ECG.
D.occurs after atrial depolarization.
Which G-protein subunit binds GDP?
A. alpha subunit
B. beta subunit
C. gamma subunit
D. delta subunit
The phosphatase found in bone would have a pH optimum that is ______________ than
the pH optimum of the phosphatase found in the prostate gland.
A.higher
B.lower
C.the same as