Biology 250 Test 1

subject Type Homework Help
subject Pages 5
subject Words 610
subject Authors Edwin F. Bartholomew, Frederic H. Martini, Judi L. Nath

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Asthma is
A) a collapsed lung resulting from insufficient production of surfactant.
B) due to an excessive stimulation of smooth muscle in bronchioles.
C) an obstructive tumor targeting primarily the terminal bronchioles.
D) characterized by fluid buildup in the alveoli.
E) caused by Mycobacterium tuberculosis.
Which structure acts as a cushion and consists of fibrous cartilage?
Figure 9-1 A Simplified Sectional View of the Knee Joint
A) 1
B) 2
C) 3
D) 4
E) 5
The subsidence of an erection after ejaculation is known as
A) detumescence.
B) tumescence.
C) menses.
D) emission.
E) ejaculation.
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The choroid plexus is composed of
A) lymphatic vessels.
B) blood vessels.
C) nerve fibers.
D) ganglia.
E) subarachnoid granulations.
A(n) ________ is a direct connection between an arteriole and a venule.
A) arteriovenule joint
B) collateralization
C) arteriovenus anastomosis
D) arteriovenule junction
E) arch
Administration of a medication in the elderly can result in a much higher dosage than
the clinician might intend because
A) the metabolic rate in the elderly is so high.
B) the kidneys of the elderly do not work well.
C) the aged have less water content in the body.
D) other medications they take might enhance the concentration of another drug.
Sperm cannot fertilize an oocyte until they
A) undergo capacitation.
B) undergo meiosis.
C) lose their flagellum.
D) are in the vagina for 3 days.
E) are activated by sustentacular cells of the vagina.
In rigor mortis
A) the myosin heads are attached to actin.
B) ATP is depleted.
C) calcium ions keep binding to troponin.
D) sustained contractions occur.
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E) All of the answers are correct.
Cardiovascular centers located in the ________ adjust the heart rate, the strength of
cardiac contractions, and the flow of blood through the peripheral tissues.
A) pons
B) medulla oblongata
C) prefrontal cortex
D) mesencephalon
E) basal ganglia
Figure 29-1 Early Human Development
Identify the structures labeled "4."
A) zygotic twins
B) morula
C) blastomere
D) trophoblast
E) polar bodies
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The structure of the brain that carries ascending sensory information to the thalamus is
the
A) midbrain.
B) cerebral aqueduct.
C) 4th ventricle.
D) basal ganglion.
E) cerebellum.
Rapid water loss from burned skin is an extreme form of ________ perspiration.
A) imprudent
B) non-sense
C) impractical
D) vacuous
E) insensible
Identify the incorrect pair.
A) synarthrosis; immovable joint
B) amphiarthrosis; slightly movable joint
C) chondrosis; freely moving joint
D) gomphosis; articulation between tooth and bone
E) They are all correct; there is no incorrect pair.
Two prominent features of the clavicle are the conoid tubercle at the lateral end and the
________ tuberosity at the medial end.
A) costal
B) sternal
C) acromial
D) deltoid
E) scapular
Which of the following is a property of thermoreceptors?
A) involves specialized receptors
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B) monitor heat stimuli, not cold
C) found in skin only
D) project to reticular formation
E) cold receptors found around the body in small numbers
Identify the nerve labeled "3."
Figure 14-2 Cranial Nerves
A) facial
B) abducens
C) trochlear
D) trigeminal
E) vagus

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