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40 Questions on Anatomy And Physiology - Practice Exam 2 | BIO 250, Exams of Physiology

Material Type: Exam; Professor: Rachow; Class: Anatomy And Physiology; Subject: Biology; University: Missouri Western State University; Term: Unknown 1989;

Typology: Exams

Pre 2010

Uploaded on 08/08/2009

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Bio 250 Practice Exam 2
1. In the peripheral nervous system, Schwann cells participate in the
repair of damaged nerves by
A. producing new axons
B. regenerating cell bodies for the neurons
C. forming a cellular tube that can direct the growth of new axons
D. clearing away cellular debris
E. all of the above
2. Which of the following pairs is not properly matched?
A. cervical spinal nerves: 8
B. thoracic spinal nerves: 12
C. lumbar spinal nerves: 4
D. sacral spinal nerves: 5
E. coccygeal spinal nerves: 1
3. Each of the following is a type of glial cell found in the central
nervous system except one. Identify the exception.
A. Astrocytes B. Schwann cells C. Oligodendrocytes
D. Microglia E. Ependymal cells
4. The limbic system
A. contains both cerebral and diencephalic components
B. functions in emotions, learning and memory
C. consists of nuclei that lie between the border between the cerebrum
and the diencephalon
D. provides a link between the conscious, intellectual functions of the
cerebral cortex and the unconscious functions of the brain stem
E. all of the above
5. The site of intercellular communication between neurons is the
A. telodendria B. synaptic knob C. collateral
D. hillock E. synapse
6. The most complex endocrine responses involve the
A. thyroid gland
B. pancreas
C. adrenal glands
D. hypothalamus
E. thymus
7. The len focuses light on the photoreceptor cells by
A. moving up and down
B. moving in and out
C. changing shape
D. opening and closing
E. dilating and constricting
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Bio 250 Practice Exam 2

  1. In the peripheral nervous system, Schwann cells participate in the repair of damaged nerves by A. producing new axons B. regenerating cell bodies for the neurons C. forming a cellular tube that can direct the growth of new axons D. clearing away cellular debris E. all of the above
  2. Which of the following pairs is not properly matched? A. cervical spinal nerves: 8 B. thoracic spinal nerves: 12 C. lumbar spinal nerves: 4 D. sacral spinal nerves: 5 E. coccygeal spinal nerves: 1
  3. Each of the following is a type of glial cell found in the central nervous system except one. Identify the exception. A. Astrocytes B. Schwann cells C. Oligodendrocytes D. Microglia E. Ependymal cells
  4. The limbic system A. contains both cerebral and diencephalic components B. functions in emotions, learning and memory C. consists of nuclei that lie between the border between the cerebrum and the diencephalon D. provides a link between the conscious, intellectual functions of the cerebral cortex and the unconscious functions of the brain stem E. all of the above
  5. The site of intercellular communication between neurons is the A. telodendria B. synaptic knob C. collateral D. hillock E. synapse
  6. The most complex endocrine responses involve the A. thyroid gland B. pancreas C. adrenal glands D. hypothalamus E. thymus
  7. The len focuses light on the photoreceptor cells by A. moving up and down B. moving in and out C. changing shape D. opening and closing E. dilating and constricting
  1. The division of the autonomic nervous system that prepares the body for activity and stress is the A. sympathetic division B. parasympathetic division C. craniosacral division D. intramural division E. somatomotor division
  2. Voluntary control of skeletal muscles is provided by the A. sympathetic nervous system B. parasympathetic nervous system C. afferent nervous system D. somatic nervous system E. autonomic nervous system
  3. The white matter of the spinal cord A. is located in the center of the cord B. is composed of myelinated fibers C. contains nerve cell bodies D. functions in processing neural information E. carries only motor impulses
  4. The dorsal root ganglia contain A. axons of motor neurons B. axons of sensory neurons C. cell bodies of motor neurons D. cell bodies of sensory neurons E. interneurons
  5. The larger the receptive field A. the larger the stimulus needed to stimulate a sensory receptor B. the fewer sensory receptors there are C. the harder it is to discriminate the exact point of stimulation D. the larger the area of the somatosensory cortex in the brain that deals with the area E. all of the above
  6. Pain that is perceived as coming from an area other than that which is actually being stimulated is called A. prickling pain B. burning pain C. aching pain D. referred pain E. none of the above
  7. The zona glomerulosa of the adrenal cortex produces A. androgens B. glucocorticoids C. mineralocorticoids D. epinephrine E. norepinephrine
  1. Many medications introduced into the blood stream cannot directly affect the neurons of the CNS because A. oligodendrocytes form a continuous myelin sheath around the axons B. the lining of the capillaries in the CNS forms a blood-brain barrier C. the neurilemma is impermeable to all types of molecules D. the ependymal cells restrict the flow of interstitial fluid between the capillaries and the neurons E. Glial cells like the astrocytes form a physical barrier between the blood vessels and the neuron's membrane.
  2. The following are the steps involved in a reflex arc 1. activation of a sensory neuron 2. activation of a motor neuron 3. response by an effector 4. arrival of a stimulus and activation of a receptor 5. information processing. The proper sequence of these steps is A. 1, 3, 4, 5, 2 B. 4, 5, 3, 1, 2 C. 4, 1, 5, 2, 3 D. 4, 3, 1, 5, 2 E. 3, 1, 4, 5, 2
  3. The interstitial cells of the testes produce A. estrogen B. progesterone C. testosterone D. inhibin E. ICSH
  4. The hormone that is the antagonist of calcitonin is A. insulin B. glucagon C. growth hormone D. parathyroid hormone E. thyroid hormone
  5. The term general senses refers to sensations of A. temperature B. pain C. touch D. pressure E. all of the above
  6. The primary motor area is located in the region of the A. insula B. precentral gyrus C. postcentral gyrus D. arcuate gyrus E. corpus callosum
  7. A blind spot in the retina occurs where A. the fovea is located B. ganglion cells synapse with bipolar cells C. the optic nerve attaches to the retina D. rod cells are clustered to form the macula E. amacrine cells are located
  1. The corpus callosum is composed of A. arcuate fibers B. longitudinal fasciculi C. association fibers D. commissural fibers E. projection fibers
  2. The hypothalamus controls the secretions of the anterior pituitary by way of A. direct neural stimulation B. direct mechanical control C. releasing and inhibiting hormones D. altering ion concentrations in the anterior pituitary E. gap junctions
  3. A cell's ability to respond to a hormone is determined by A. the chemical nature of the hormone B. the quantity of circulating hormone C. the shape of the hormone molecules D. the presence or absence of appropriate receptors E. the thickness of the cell membrane
  4. Each of the following is an ascending tract in the spinal cord except one. Identify the exception. A. fasciculus gracilis B. fasciculus cuneatus C. posterior spinocerebellar D. corticospinal tract E. anterior spinothalamic
  5. Follicle cells in the ovary produce large quantities of __________ when stimulated by gonadotropins. A. estrogen B. progesterone C. testosterone D. FSH E. LH
  6. The movement of the head in the direction of a loud noise is coordinated in the mesencephalon. Which nuclei are most likely involved in this process? A. substantia nigra B. red nuclei C. tectum D. superior colliculi E. inferior colliculi
  7. Cholinergic neuroeffector junctions release the neurotransmitter A. norepinephrine B. adrenalin C. serotonin D. acetylcholine E. GABA
  8. Each of the following hormones is produced by the anterior pituitary except one. Identify the exception. A. FSH B. ADH C. TSH D. ACTH E. prolactin