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Ketosis
A.occurs when stored fats are rapidly degraded by the body.
B.stimulates an increased blood pH.
C.may lead to alkalosis.
D.occurs as the concentration of ketones in the urine decreases.
What enzyme is needed to prevent excessive accumulation of hydrogen peroxide from
peroxisome activity?
A.peroxidase
B.catalase
C.oxidate
D.maltase
Which of the following is NOT a molecular motor used to move substances along the
cytoskeleton?
A.melanin
B.kinesin
C.myosin
D.dynein
What structures supplies autonomic nerves to the muscularis tunic?
A.Meissner's plexus
B.Auterbach's plexus
C.myenteric plexus
D.Both Auterbach's plexus and myenteric plexus are correct.
The division of the autonomic nervous system originating only from spinal nerves
A.is involved in mediating every day responses.
B.has adrenergic receptors on the postganglionic cell body.
C.releases acetylcholine from the postganglionic neuron.
D.mediates the body's response to stress.
Which of the following is NOT a transportation function of the circulatory system?
A.carrying oxygen and carbon dioxide
B.carrying metabolic waste
C.carrying leukocytes
D.carrying absorbed products of digestion
RNA strands such as siRNA and miRNA can prevent gene expression in mRNA.
Which blood vessels have the highest cross-sectional area?
A.veins
B.arterioles
C.venules
D.capillaries
Cellular respiration results in a(n) ______________ in entropy as glucose is broken
down to form carbon dioxide.
A.increase
B.decrease
C.no change
What type of neurons are found in the precentral gyrus?
A.sensory neurons
B.lower motor neurons
C.upper motor neurons
D.middle motor neurons
The volume of gas remaining in the lungs after a maximum expiration is the
A.tidal volume.
B.vital capacity.
C.inspiratory reserve volume.
D.residual volume.
An inborn error in lipid metabolism may cause all of the following diseases EXCEPT
A.Tay-Sachs disease.
B.homocystinuria.
C.hypercholesteremia.
D.Gaucher's disease.
The ATP generated in the citric acidcycle
A. is produced directly from the 5th reaction.
B. is produced from the reduction of NAD.
C. comes from GTP.
D. comes from oxidative phosphorylation.
Regulation of mineral homeostasis would be inhibited due to decreased secretion of
A.corticotropin releasing hormone.
B.dopamine.
C.gondadotropin releasing hormone.
D.growth hormone releasing hormone.
Which of the following is the most senior precursor molecule?
A.a prehormone
B.a prohormone
C.a hormone
D.a hormone receptor
Osteocytes are found within
A.canaliculi.
B.dentin.
C.lamellae.
D.lacunae.
ATP formation in the electron transport system is called
A.substrate level phosphorylation.
B.oxidative phosphorylation.
C.direct phosphorylation.
D.Both substrate level phosphorylation and direct phosphorylation are correct.
Sympathetic stimulation is responsible for pupil _____________ in _________ light.
A.dilation, bright
B.dilation, dim
C.constriction, bright
D.constriction, dim
Synaptic plasticity involves structural changes in neurons such as
A. formation of axillary branches
B. formation of dendritic spines
C. formation of more axon terminals
D. mitosis of neurons
Diffusion ____________ the entropy of a solution.
A. decreases
B. increases
C. does not change
Which type of cell of the CNS is phagocytotic?
A. microglia
B. satellite cells
C. ependymal cells
D. oligodendrocytes
The hypothalamus and the limbic system are involved in
A. aggression.
B. fear.
C. sex.
D. goal-directed behavior.
E. All apply.
How many autosomal chromosomes are present in human cells?
A.23 pair
B.46
C.22 pair
D.2 pair
Ventricular fibrillation
A.occurs when the ventricles contract in a rapid, coordinated manner.
B.is not life threatening.
C.often occurs due to circus rhythms.
D.is induced by defibrillators.
Type I skeletal muscle fibers
A.contract rapidly.
B.have a large diameter.
C.have a low myoglobin concentration.
D.have numerous mitochondria.
__________ is believed to be an autoimmune disease affecting the kidney.
A.Pyelonephritis
B.Polycystic kidney
C.Glomerulonephritis
D.Cystitis
A mutation in the gene encoding for interleuken-3 would result in
A.decreased conversion of B cells to plasma cells.
B.decreased numbers of circulating mast cells.
C.inhibition of macrophage activation.
D.inhibition of leukocyte proliferation.
Antibodies facilitate the _______ of complement to the membrane of a pathogenic
organism.
A.activation
B.fixation
C.cloning
D.None of the choices are correct.
A lack of testosterone in males will cause the genital tubercle to form a(n)
A.penis.
B.testis.
C.clitoris.
D.ovary.
Which leukocytes are the first to arrive at an inflamed site?
A.T lymphocytes
B.B lymphocytes
C.monocytes
D.neutrophils
Blood glucose concentrations can be maintained by hydrolysis of glycogen in the
A.liver.
B.skeletal muscle.
C.smooth muscle.
D.kidneys.
