1.dental Hygiene Board Review

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Dental Hygiene Quizzes & Trivia
# 1. Board Review for Dental Hygiene. Questions were taken from various sources, including books, online sources, and etc.

  
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1.  The physiological concept that refers to the maintenance of a constant environment is
A.
B.
C.
D.
E.
2.  The organelles that contain enzymes capable of digesting and destroying cellular debris
A.
B.
C.
D.
E.
3.  Transport of water across a cell membrane
A.
B.
C.
D.
4.  The direction and rate of diffusion of an ion is influenced by the
A.
B.
C.
D.
5.  Active transport differs from facilitated diffusion in that active transport
A.
B.
C.
D.
E.
6.  All of the following are derived from endoderm except
A.
B.
C.
D.
7.  Which of the following is derived from mesoderm?
A.
B.
C.
D.
E.
8.  The developmental period in which teeth and the palate are most susceptible to teratogenic agents is the
A.
B.
C.
D.
Discuss this Question
9.  Gingiva and buccal mucosa
A.
B.
C.
D.
E.
10.  What type of connective tissue is present in scar tissue?
A.
B.
C.
D.
E.
11.  What kind of cell types line the vascular channels of the body?
A.
B.
C.
D.
E.
12.  Pleura is a type of
A.
B.
C.
D.
E.
13.  In long bones, the process whereby cartilage cells are replaced by bone cells, organic matrix is laid down, and calcium and phosphate are deposited is known as
A.
B.
C.
D.
E.
14.  What kind of joint, is described by the following: joint cavity present; bone ends covered by cartilage; may be separated by a disk; freely movable?
A.
B.
C.
D.
E.
15.  Which of the following is NOT associated with a skeletal muscle?
A.
B.
C.
D.
E.
16.  Actin and myosin are proteins contained within a
A.
B.
C.
D.
17.  A single motor neuron and the muscle cells supplied by its axon branches is termed
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B.
C.
D.
E.
18.  Which of the following glial cells are responsible for myelin formation in the central nervous system?
A.
B.
C.
D.
19.  Depolarization occurs with
A.
B.
C.
20.  Conduction occurs when a stimulus reduces the membrane potential to a critical level. This level is called
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B.
C.
D.
E.
21.  Which tract exerts a facilitative influence on motor neurons in the anterior horn?
A.
B.
C.
D.
E.
22.  If the ventral root of a spinal nerve were sectioned what would be the result in the regions supplied by the nerve?
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B.
C.
D.
E.
23.  Corticospinal tract
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B.
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D.
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24.  The primary motor area of the brain is the
A.
B.
C.
D.
E.
25.  Which of the following functions are conducted in the dorsal columns of the spinal cord, that is, in the fasciculus graciles and cuneatus?
A.
B.
C.
D.
E.
26.  Damage to the precental gyrus of the cerebral cortex
A.
B.
C.
D.
E.
27.  Almost all sensory impulses pass through what structure on their way to the cerebral cortex?
A.
B.
C.
D.
E.
28.  Which of the following describes the function of the hypothalamus?
A.
B.
C.
D.
E.
29.  Important centers for control of respiration and dardiovascular function are located in the
A.
B.
C.
D.
30.  Which of the following is/are not necessary for any of the responses referred to as reflexes?
A.
B.
C.
D.
E.
31.  A type of receptor which is sensitive to pain is
A.
B.
C.
D.
E.
32.  The autonomic nervous system exerts its influence on
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B.
C.
D.
33.  The neurotransmitter substance released at the postganglionic terminal of the parasympathetic division of the autonomic nervous system is
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B.
C.
D.
E.
34.  Norepinephrine and epinephrine are released from
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B.
C.
D.
35.  All of the following are autonomic effects on the body except regulation of
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B.
C.
D.
E.
36.  Extreme excitement in a patient may have the following effects on organ systems:
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B.
C.
D.
E.
37.  An increase in parasympathetic activity
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B.
C.
D.
38.  Hormones
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B.
C.
D.
39.  A topic hormone
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B.
C.
D.
40.  Calcium homeostasis is maintained by
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B.
C.
D.
41.  Calcitonin
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B.
C.
D.
E.
42.  Which hormone is LESS involved in a stress reaction?
A.
B.
C.
D.
E.
43.  Cortisol
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B.
C.
D.
E.
44.  Insulin has all of the following effects EXCEPT
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B.
C.
D.
E.
45.  Antidiuretic hormone is released in direct response to
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B.
C.
D.
E.
Discuss this Question
46.  Aldosterone
A.
B.
C.
D.
E.
47.  Ovulation
A.
B.
C.
D.
48.  Which of the following secretes progesterone?
A.
B.
C.
D.
E.
49.  With inspiration
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B.
C.
D.
Discuss this Question
50.  During inspiration
A.
B.
C.
D.
51.  Respiratory tidal volume is
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B.
C.
D.
E.
52.  Which of the following has the highest PCO2?
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B.
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D.
E.
53.  Oxygen is carried in the blood
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B.
C.
D.
E.
54.  Carbon dioxide is carried in blood by all of the following EXCEPT
A.
B.
C.
D.
55.  Alveolar ventilation is increase by all of the following except
A.
B.
C.
D.
E.
56.  Which of the following is not a leukocyte?
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B.
C.
D.
E.
57.  A patient with type AB blood can give a transfusion to type
A.
B.
C.
D.
58.  A normal differential blood count shows about 20 to 25 percent of which of the following?
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B.
C.
D.
E.
59.  All of the following terms are associated with the ventricles of the heart except
A.
B.
C.
D.
E.
60.    The sinoatrial node is the normal pacemaker of the heart because
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B.
C.
D.
E.
61.  Identify the correct sequence of the blood flow through the heart, to the lungs, its return to the heart and out of the heart to systemic circulation
A.
B.
62.  The pressoreceptor system
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B.
C.
D.
63.  Select the correct pressure point statement:
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B.
C.
D.
E.
64.  Mean arterial blood pressure is regulated by
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B.
C.
D.
E.
65.  Diastolic blood pressure is maintained at levels above zero by
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B.
C.
D.
66.  Which of the following valves prevent backflow of deoxygenated blood?
A.
B.
C.
D.
67.  Cardiac output is the product of the
A.
B.
C.
D.
68.  Blood pressure depends on
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B.
C.
D.
E.
69.  Oxygenated blood flows through which of the following structures
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B.
C.
D.
70.  Digestion means
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B.
C.
D.
E.
71.  All of the following are concerned with protein digestion except
A.
B.
C.
D.
E.
72.  Rate of gastric emptying is affected by
A.
B.
C.
D.
E.
73.  Which of the following is not a function of the pancreas?
A.
B.
C.
D.
74.  Which gastrointestinal hormone controls secretion of water and bicarbonate by acinar cells of the pancreas
A.
B.
C.
D.
E.
75.  An enzyme that hydrolyzes polysaccharides is
A.
B.
C.
D.
E.
76.  Functions of the adult liver include all of the following except
A.
B.
C.
D.
E.
77.  The swallowing mechanism involves which of the following cranial nerves?
A.
B.
C.
D.
E.
78.  An accumulation of collecting ducts, as seen on gross examination of a kidney is called
A.
B.
C.
D.
79.  Filtration in the kidney occurs at the
A.
B.
C.
D.
80.  Reabsorption of water in the distal convoluted tubules and collecting ducts is regulated by
A.
B.
C.
D.
81.  Amino acids and glucose are reabsorbed in the proximal tubule by
A.
B.
C.
D.
82.  Sodium ions are reabsorbed, and potassium and hydrogen ions are secreted under the control of
A.
B.
C.
D.
E.
83.  Functions of the kidney include all of the following except
A.
B.
C.
D.
E.
84.  Parasympathetic innervation to the lacrimal glands and the secretory glands of the nose and palate is transmitted via the
A.
B.
C.
D.
E.
85.  The sympathetic innervation to the face and head structures is transmitted via nerves that have cells of origin in the
A.
B.
C.
86.  The area of the brain stem that contains cells of origin for the nerves that control motor activity for swallowing is
A.
B.
C.
D.
87.  The nerve responsible for constriction of the pupil of the eye is
A.
B.
C.
D.
88.  When a person is experiencing much pain, the pupils of the eye will
A.
B.
C.
D.
89.  The human immunodeficiency virus (HIV) can be accurately described by all of the following except
A.
B.
C.
D.
E.
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