Where is the primary gustatory cortex?
A.postcentral gyrus of the parietal lobe
B.prefrontal cortex
C.temporal lobe
D.insula
Which division of the nervous system innervates involuntary effectors?
A. central nervous system
B. somatic nervous system
C. autonomic nervous system
D. associative nervous system
How is most thyroid hormone transported in the plasma?
A.as T4 bonded to globulin
B.as T3 bonded to globulin
C.as free T4
D.as free T3
The ____________________ can control autonomic function such that under some
emotional states, autonomically controlled visceral reactions like blushing, fainting,
etc., can occur.
A.reticular activating system
B.medulla oblongata
C.limbic system
D.cerebrum
Which of the following is NOT true of catalysts?
A. They are unchanged by the reaction catalyzed.
B. They allow endergonic reactions to become exergonic reactions.
C. They increase the amount of energy released by a chemical reaction.
D. They lower the activation energy of the reaction.
Which cranial nerve is NOT involved with eye movements?
A. optic
B. oculomotor
C. abducens
D. trochlear
What type of genetic change occurs when an allele is silenced by methylation of
cytosine bases?
A.genomic
B.epigenetic
C.mutation
D.None of the choices is correct.
Clusters of cells in exocrine glands are termed
A.goblet cells.
B.acini (acinar) cells.
C.islet cells.
D.reticular cells.
Blood vessel diameter is regulated by all of the following EXCEPT
A.nitric oxide.
B.bradykinin.
C.endothelin.
D.platelet-derived growth factor.
The heart produced hormone, atrial natriuretic peptide (ANP), functions
antagonistically to
A.ADH.
B.aldosterone.
C.angiotensin I.
D.glucocorticoids.
What condition is marked by an accumulation of protein-rich fluid in the lungs due to
permeability changes triggered by the inflammatory response to systemic infection?
A.emphysema
B.chronic obstructive pulmonary disease (COPD)
C.pneumothorax
D.acute respiratory distress syndrome (ARDS)
Excitotoxicity is caused by
A. insufficient synaptic release of glutamate.
B. excessive synaptic release of glutamate.
C. GABA inhibition.
D. insufficient synaptic release of ACh.
Due to the action of aldosterone, water is reabsorbed because
A.sodium is excreted in the urine.
B.potassium is reabsorbed into peritubular blood.
C.sodium is reabsorbed into peritubular blood.
D.aldosterone opens aquapores.
Angiotensin-converting enzyme (ACE) inhibitors like captopril block the formation of
angiotensin II, thus reducing
A.vasodilation.
B.renal reabsorption.
C.vasoconstriction.
D.renal excretion.
Centrosomes replicate during
A.anaphase.
B.cytokinesis.
C.interphase.
D.telophase.
Ketones contain a(n) _______________ group within the carbon chain.
A.hydroxyl
B.carbonyl
C.carboxyl
D.aromatic
The __________ stimulates decreased gastric motility.
A.gastroileal reflex
B.GLP-1 reflex
C.ileogastric reflex
D.GIP reflex
MAO inhibitors may cause hypertensive crisis by a person eating foods rich in
A. phenylalanine.
B. tyramine.
C. glutamic acid.
D. tryptophan.
The calcium wave that prevents polyspermy also causes
A.the sperm to lose its tail.
B.the secondary oocyte to finish meiosis II.
C.mitosis to occur.
D.All of these choices are correct.
When alveolar ventilation increases, the perfusion of pulmonary arterioles will
A.increase.
B.decrease.
C.remain unchanged.
During isovolumetric ventricular contraction ventricular pressure is
A.increasing.
B.decreasing.
C.unchanged.
_____________ inhibits COX3 in the brain which results in pain and fever reduction.
A. Acetaminophen (Tylenol)
B. Aspirin
C. Ibuprofen (Motrin)
D. All apply.
Acclimatization to altitude
A.stimulates increased blood cell synthesis.
B.decreases ventilation.
C.increases the affinity of hemoglobin for oxygen.
D.All of the choices are correct.
The affinity of hemoglobin for oxygen
A.is greater than the affinity for carbon monoxide.
B.is increased in methemoglobin.
C.decreases as the height above sea level increases.
D.is increased in response to metabolic alkalosis.
The first event to occur during development of the reproductive system would be the
A.descent of the testes into the scrotum.
B.formation of the vagina.
C.onset of testosterone production.
D.development of the Mllerian ducts.
Which of the following is NOT a G-protein?
A. alpha
B. beta
C. delta
D. gamma
Which of the following is found primarily within the hypodermal layer of the skin?
A.adipose tissue
B.nervous tissue
C.blood vessels
D.hair cells
The LH surge is caused by
A.estradiol increasing frequency of GnRH pulses.
B.more FSH receptors placed in granulosa cells.
C.a quick drop in FSH.
D.rapid increase in progesterone.
Functions of the digestive system include all of the following EXCEPT
A.deglutition.
B.hormone secretion.
C.absorption.
D.hormone degradation.
Which of the following is NOT true about the series-elastic component to contraction?
A. It absorbs some of the tension of muscle contraction.
B. It provides for elastic recoil when muscles relax.
C. It must loosen for a muscle to shorten.
D. It is provided by tendons.
Cholesterol produced by the body is transported in the blood as
A.high-density.
B.low-density.
C.very low-density.
D.medium-density.
What type of bond is formed between potassium and iodine?
A.polar covalent bond
B.ionic bond
C.nonpolar covalent bond
D.hydrogen bond
What structure keeps food from entering the larynx during swallowing?
A.epiglottis
B.laryngopharynx
C.soft palate
D.tongue