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WCU PHYS 261 Final Actual Exam | Latest Version | Questions and Answers | Already Passed | (West Coast University)
Typology: Exams
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A) blood pressure.
B) systemic pressure.
C) circulatory pressure.
D) mean arterial pressure.
E) pulse pressure.
A) decreases B) increases C) has no effect on
A) acetylcholine combines with nicotinic receptors.
B) acetylcholine combines with muscarinic receptors.
C) sympathetic stimulation is removed.
D) norepinephrine combines with β 1
receptors.
E) norepinephrine combines with alpha receptors.
A) three protein chains.
B) four protein chains and four heme groups.
C) four heme groups but no protein.
D) two protein chains.
E) four protein chains and nothing else.
A) movement of air into and out of the alveoli.
B) movement of air into and out of the lungs.
C) movement of dissolved gases from the alveoli to the blood.
D) movement of dissolved gases from the blood to the alveoli.
E) utilization of oxygen by alveolar cells to support metabolism.
A) are phagocytic.
B) allow rapid diffusion of gases through their thin membranes.
C) secrete a chemical known as surfactant.
D) all of the above
E) none of the above
A) ribose.
B) bases.
C) fatty acids.
D) amino acids.
E) nucleotides.
A) actively permeable.
B) impermeable.
C) freely permeable.
D) selectively permeable.
E) none of the above
cells have flagella. A) sperm
B) intestine lining
C) stomach lining
D) respiratory tract lining
E) two of the above
reaction is referred to as a.
A) phosphorylation; kinase
B) proteolysis; kinase
C) proteolysis; peptidase
D) phosphorylation; phosphatase
E) None of the above represents the correct terminology.
A) the active site.
B) the product.
C) a region of the enzyme other than the active site.
D) the surrounding tissue.
E) the substrate.
A) the membrane potential resulting from permeability to a single ion.
B) the membrane potential resulting from all permeable ions.
C) extracellular ion concentrations
D) intracellular ion concentrations.
E) the threshold membrane potential.
A) sodium
B) more than one of the above
C) calcium
D) chloride
E) potassium
A) centers for blood pressure control
B) centers for control of eye movement
C) the pyramids, where tracts cross to the opposite side of the body
D) centers for control of vomiting
E) centers for control of breathing
A) hippocampus.
B) basal nuclei.
C) gray "H."
D) suprachiasmatic nucleus.
E) corpus callosum.
D) B and C
E) all of the above
A) steroids are produced.
B) cAMP is formed.
C) cAMP is broken down.
D) protein kinases are metabolized.
E) calcium ions are released from intracellular stores.
A) negative feedback.
B) positive feedback.
C) effector shutdown.
D) receptor activation.
E) none of the above
A) the cell becomes inactive.
B) a second messenger appears in the cytoplasm.
C) the cell membrane becomes less permeable.
D) the hormone is transported to the nucleus where it alters the activity of DNA.
E) none of the above
A) gene transcription may start or stop.
B) protein kinases are activated.
C) adenylyl cyclase is activated.
D) cyclic nucleotides are formed.
E) G proteins are inhibited.
B) growth hormone.
C) prolactin.
A) somatic motor division.
B) peripheral nervous system.
C) autonomic nervous system.
D) central nervous system.
E) enteric nervous system.
signals are the
A) axons.
B) cell bodies.
C) dendrites.
D) somata.
E) none of the above
A) hillock. B) synapse. C) dendrites. D) nerve. E) collateral.
A) axons.
B) ependymal cells.
C) Schwann cells.
D) oligodendrocytes.
E) C and D
A) alpha receptors.
B) beta receptors.
C) cholinergic receptors.
D) all of the above
A) conduct ATP molecules out of the mitochondria throughout the sarcoplasm.
B) ensure a supply of Ca
ions through the muscle fiber.
C) rapidly conduct action potentials to the interior of the muscle fiber.
D) ensure a supply of glycogen throughout the muscle sarcoplasm.
E) All of the above are true.
A) number of nebulin and titin molecules present.
B) change in length of the thick filaments.
C) number of thick and thin filaments present.
D) change in length of the thin filaments.
E) number of crossbridges formed.
A) acetylcholine triggering the opening ion channels.
B) the chemical and electrical events that trigger the mechanical events in a muscle fiber.
C) the enzymatic removal of acetylcholine from the synapse, which can then allow relaxation to occur.
D) the arrival of acetylcholine at the neuromuscular junction due to its exocytosis from the axon terminal.
E) B and D
A) one synapse
B) two synapses
C) two neurons
D) three neurons
E) B and D
A) pair of electrodes.
B) cable that attaches between the ECG machine and the body.
C) electrode.
A) fibrillation.
B) a normal resting heart rate.
C) bradycardia.
D) an arrhythmia.
E) tachycardia.
A) stroke volume.
B) cardiac output.
C) cardiac reserve.
D) end-systolic volume.
E) end-diastolic volume.
A) the difference between the end-diastolic volume and the end-systolic volume.
B) the product of heart rate and blood pressure.
C) the stroke volume less the end-systolic volume.
D) the product of heart rate and stroke volume.
heart during the next contraction is
A) heart rate (HR).
B. filtration
D. secretion
A) medulla.
B) pons.
C) stomach.
D) kidney.
E) hypothalamus.
A) angiotensin I to angiotensin II.
B) renin to angiotensinogen.
C) angiotensin II to aldosterone.
D) renin to aldosterone.
E) angiotensinogen to angiotensin I.
A) functions in pH regulation.
B) increases the concentration of sodium in urine.
C) promotes sodium retention in the kidneys.
D) helps decrease blood volume.
E) is secreted in response to elevated levels of sodium in the blood.
A) large intestine
B) mouth
C) stomach
D) small intestine
E) none of the above
A) myenteric plexus.
B) motilin.
C) migrating motor complex.
D) extrinsic neurons.
E) submucosal plexus.
A) stomach.
B) small intestine.
C) large intestine.
D) liver.
E) A and C
A) cerebrum.
B) pons.
C) medulla oblongata.
D) cerebellum.
E) hypothalamus.
A) warm air rises from the body's surface.
B) one swims in water below body temperature.
C) a cooler object rests on the body's surface.
D) water evaporates from the skin's surface.
E) all of the above
Match the nutrient to its primary fate.
A. carbohydrate
B. protein
C. fat
A. carbohydrate
B. protein
C. fat
A) mineralocorticoids.
B) glucocorticoids.
C) corticosteroids.
D) catecholamines.
E) androgens.
A) acromegaly.
B) goiter.
C) giantism.
D) diabetes.
E) exophthalmus.
A) spleen.
B) lymph nodes.
C) bone marrow.
D) thymus.
E) all of the above
A) the immune system is incapable of working.
B) too much or improper exercise has been undertaken.
C) dangerous cancerous changes are occurring in the immune system.
D) immune cells are fighting infection.
E) none of the above
A) acting as messengers for growth and activity of other cells.
B) poisoning and killing invading cells.
C) digesting invading cells.
D) A and B
E) A, B, and C
A) T lymphocytes release interferon.
B) neutrophils phagocytize bacteria.
C) blood flow to an area increases.
D) red blood cells release pyrogens.
E) mast cells release granules containing histamine and heparin.
A) the antibody class.
B) the fixed segment.
C) the antigenic determinants.
D) the size of the antibody.
E) the variable region.
A) the presence or absence of specific glycoprotein molecules on their cell membrane.
A) myometrium.
B) infundibulum.
C) fallopian tube.
D) uterosacral ligament.
E) vagina.
A) 10 days. B) 14 days. C) 21 days. D) 28 days. E) 35 days.
A) ovulation.
B) menopause.
C) menstruation.
D) atresia.
E) follicle maturation.
A) engorgement of the penis.
B) loss of erection following orgasm.
C) movement of sperm into the urethra.
D) movement of sperm out of the penis.
E) failure to achieve ejaculation.
A) undergo decapitation.
B) are in the vagina for 3 days.
C) lose their acrosome.
D) undergo activation.
E) undergo capacitation.
A) growth hormone.
B) progesterone.
C) prolactin.
D) estrogen.
E) oxytocin.
A) growth hormone.
B) prolactin.
C) estrogen.
D) oxytocin.
E) progesterone.
Match the cells/tissue with the hormone it secretes.
A. Leydig cells
B. granulosa cells
C. corpus luteum
D. placenta
C. corpus luteum
D. placenta
B. granulosa cells
A. Leydig cells
The correct order from the smallest to the largest is
97) What is a nocebo effect? DO NOT ANSWER THIS QUESTION ON THE SCANTRON!
The phenomenon whereby a patient who has been informed of the side effects of a drug he is taking is
more likely to experience some of the side effects than an otherwise similar patient recei ving the same
drug who has not been so informed.
A) the number of neutrons in the nucleus.
B) the number of protons plus neutrons in the nucleus.
C) the number of electrons in the outer shell.
D) the electrical charge of an atom.
E) the number of protons in the nucleus.
A) number of central carbon atoms.
B) number of peptide bonds in the molecule.
C) size of the amino group.
D) chemical structure of the R group.
E) number of carboxyl groups.
A) a phosphate group and a nitrogenous base.
B) a five-carbon sugar, a nitrogenous base, and a phosphate group.
C) a five-carbon sugar and an amino acid.
D) a five-carbon sugar and a nitrogenous base.
E) a five-carbon sugar and phosphate group.
A) fructose.
B) deoxyribonucleic acid.
C) adenosine triphosphate.
D) glucose.
E) protein.
environment.106)
A) external B) internal
A) protein.
B) the organ system.
C) the organ.
D) the cell.
E) tissue.
A) cytoplasm.
D. mitochondria
E. peroxisomes
E. peroxisomes
C. lysosomes
B. Golgi apparatus
A) Some cells are completely without ligands.
B) Signal chemicals often break down before reaching a distant target.
C) Some cells lack the necessary receptors.
D) Some cells are completely without receptors.
E) Chemical signals are only delivered to specific cells.
A) can prevent the initial disturbance of homeostasis.
B) reinforces the stimulus.
C) stabilizes the variable being regulated.
D) none of the above
Match the hormone with its source.
A. prolactin
B. insulin
C. aldosterone
D. melatonin
E. calcitonin
F. epinephrine
F. epinephrine
A) testis.
B) seminal vesicle.
C) ejaculatory duct.
D) corpus cavernosum.
E) ductus deferens.
A) estrogen.
B) progesterone.
C) estradiol.
Match each hormone with its the primary source.
A. prolactin
B. insulin
C. aldosterone
D. melatonin
E. calcitonin
F. oxytocin
B. insulin
E. calcitonin
A. prolactin
C. aldosterone
D. melatonin
A. a collection of similar cells that carry out similar functions
B. the smallest living unit
C. a collection of different tissues that carry out related functions
D. groups of organs functioning in a coordinated manner
cell B. the smallest living unit
tissue A. a collection of similar cells that carry out similar functions
organs C. a collection of different tissues that carry out related functions
organ systems D. groups of organs functioning in a coordinated manner