Antigen-presenting cells are necessary for ____ response to a foreign antigen.
A.T lymphocyte
B.B lymphocyte
C.antibody
D.macrophage
Passive transport of water is known as
A. filtration.
B. osmosis.
C. facilitated diffusion.
D. a water pump.
Somatic motor neurons release the neurotransmitter _________ at the neuromuscular
junction.
A. dopamine
B. acetylcholine
C. norepinephrine
D. serotonin
All blood vessels are lined with
A.the tunica externa.
B.smooth muscle.
C.endothelial cells.
D.elastin.
Which of the following is NOT a characteristic of a catalyst?
A.is not changed itself at the end of the reaction
B.does not change the nature of the reaction
C.can change the final result of the reaction
D.increases the rate of the reaction
The cupula is part of the
A.semicircular canals.
B.utricle.
C.saccule.
D.cochlea.
Multispecific organic anion transport carriers are present in the
A.liver.
B.nephron tubules.
C.pancreas.
D.Both liver and nephron tubules.
Sperm are stored and matured in the
A.vas deferens.
B.seminal vesicles.
C.epididymis.
D.prostate gland.
Gliotransmitters
A. include calcium ions.
B. can stimulate neurons.
C. form the blood-brain barrier.
D. break down ATP.
What are the swellings on autonomic nerves that release neurotransmitter to smooth
muscle called?
A.myoneural junctions
B.gap junctions
C.neuromuscular junctions
D.varicosities
Vibrations in the stapes directly induce vibrations in the
A.tympanic membrane.
B.incus.
C.round window.
D.oval window.
What is the main component of an erythrocyte?
A.transferring
B.albumin
C.globulin
D.hemoglobin
Chewing of food is
A.deglutition.
B.mastication.
C.peristalsis.
D.segmentation.
How many proteins does it appear that humans can produce?
A. 25,000
B. 100,000
C. 3 million
D. 3 billion
_____________ are fatty acids with a cyclic hydrocarbon group.
A. Triglycerides
B. Prostaglandins
C. Proteins
D. Carbohydrates
Interpretation of auditory inputs would be most affected by
A. ablation of the intralaminar nuclei of the thalamus.
B. ablation of the hypothalamus.
C. ablation to the medial geniculate nuclei of the thalamus.
D. ablation of the lateral geniculate nuclei of the thalamus.
The thick filament is also called the
A. A band.
B. I band.
C. H band.
D. M line.
Magnetic resonance imaging (MRI) uses ______________ as its basis for producing
images.
A.x-rays
B.gamma rays
C.spinning protons
D.electrical currents
Which of the following cranial nerves conveys gustatory information?
A.facial
B.glossopharyngeal
C.hypoglossal
D.Both the facial and glossopharyngeal are correct.
Cellular actions of insulin could be inhibited by
A.decreasing intracellular calmodulin.
B.stimulating protein kinase activity.
C.inhibiting translation.
D.inhibiting receptor phosphorylation.
Bradykinin stimulates
A.surface blood vessel dilation.
B.surface blood vessel constriction.
C.salivary gland secretion.
D.cerebral artery vasodilation.
Functions of the lymphatic system include all of the following EXCEPT
A.transport of interstitial fluid.
B.transport of absorbed fat.
C.providing immunological defense.
D.transport of absorbed peptides.
Kidney stones may result in all the following EXCEPT
A.renal insufficiency.
B.hypertension due to water and salt retention.
C.polyuria.
D.uremia.
The Contraceptive Pill contains
A.FSH.
B.estrogen.
C.progesterone.
D.estrogen and progesterone.