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1.dental Hygiene Board Review

96 Questions  I  By Vloseva
1.Dental Hygiene Board Review
# 1. Board Review for Dental Hygiene. Questions were taken from various sources, including books, online sources, and etc.  

  
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1.  The neurotransmitter substance released at the postganglionic terminal of the parasympathetic division of the autonomic nervous system is
A.
B.
C.
D.
E.
2.  A patient with hypoproteinemia (low plasma protein levels) may have a tendency to decreased blood volume. The protein fraction that contributes more to colloid osmotic pressure, tending to maintain blood volume by osmotic forces, is
3.  All of the following are concerned with protein digestion except
A.
B.
C.
D.
E.
4.  All of the following terms are associated with the ventricles of the heart except
A.
B.
C.
D.
E.
5.  Which of the following secretes progesterone?
A.
B.
C.
D.
E.
6.  The direction and rate of diffusion of an ion is influenced by the
A.
B.
C.
D.
7.  Extreme excitement in a patient may have the following effects on organ systems:
A.
B.
C.
D.
E.
8.  During inspiration
A.
B.
C.
D.
9.  The primary motor area of the brain is the
A.
B.
C.
D.
E.
10.    The sinoatrial node is the normal pacemaker of the heart because
A.
B.
C.
D.
E.
11.  Muscles of mastication is derived from which branchial arch?
12.  All of the following terms are associated with haversian systems in bone
13.  All of the following are autonomic effects on the body except regulation of
A.
B.
C.
D.
E.
14.  When a person is experiencing much pain, the pupils of the eye will
A.
B.
C.
D.
15.  Antidiuretic hormone is released in direct response to
A.
B.
C.
D.
E.
16.  An enzyme that hydrolyzes polysaccharides is
A.
B.
C.
D.
E.
17.  Which of the following glial cells are responsible for myelin formation in the central nervous system?
A.
B.
C.
D.
18.  Which of the following has the highest PCO2?
A.
B.
C.
D.
E.
19.  Which of the following describes the function of the hypothalamus?
A.
B.
C.
D.
E.
20.  Pleura is a type of
A.
B.
C.
D.
E.
21.  Norepinephrine and epinephrine are released from
A.
B.
C.
D.
22.  What type of connective tissue is present in scar tissue?
A.
B.
C.
D.
E.
23.  Conduction occurs when a stimulus reduces the membrane potential to a critical level. This level is called
A.
B.
C.
D.
E.
24.  Hormones
A.
B.
C.
D.
25.  An accumulation of collecting ducts, as seen on gross examination of a kidney is called
A.
B.
C.
D.
26.  Oxygen is carried in the blood
A.
B.
C.
D.
E.
27.  The swallowing mechanism involves which of the following cranial nerves?
A.
B.
C.
D.
E.
28.  Which of the following is derived from mesoderm?
A.
B.
C.
D.
E.
29.  Mean arterial blood pressure is regulated by
A.
B.
C.
D.
E.
30.  Diastolic blood pressure is maintained at levels above zero by
A.
B.
C.
D.
31.  A normal differential blood count shows about 20 to 25 percent of which of the following?
A.
B.
C.
D.
E.
32.  Cardiac output is the product of the
A.
B.
C.
D.
33.  The human immunodeficiency virus (HIV) can be accurately described by all of the following except
A.
B.
C.
D.
E.
34.  Rate of gastric emptying is affected by
A.
B.
C.
D.
E.
35.  Insulin has all of the following effects EXCEPT
A.
B.
C.
D.
E.
36.  What kind of cell types line the vascular channels of the body?
A.
B.
C.
D.
E.
37.  Parasympathetic innervation to the lacrimal glands and the secretory glands of the nose and palate is transmitted via the
A.
B.
C.
D.
E.
38.  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.
39.  A single motor neuron and the muscle cells supplied by its axon branches is termed
A.
B.
C.
D.
E.
40.  Select the correct pressure point statement:
A.
B.
C.
D.
E.
41.  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.
42.  The nerve responsible for constriction of the pupil of the eye is
A.
B.
C.
D.
43.  Functions of the kidney include all of the following except
A.
B.
C.
D.
E.
44.  If the ventral root of a spinal nerve were sectioned what would be the result in the regions supplied by the nerve?
A.
B.
C.
D.
E.
45.  Which of the following is not a leukocyte?
A.
B.
C.
D.
E.
46.  Which hormone is LESS involved in a stress reaction?
A.
B.
C.
D.
E.
47.  The sympathetic innervation to the face and head structures is transmitted via nerves that have cells of origin in the
A.
B.
C.
48.  Filtration in the kidney occurs at the
A.
B.
C.
D.
49.  Corticospinal tract
A.
B.
C.
D.
E.
50.  Depolarization occurs with
A.
B.
C.
51.  A type of receptor which is sensitive to pain is
A.
B.
C.
D.
E.
52.  Damage to the precental gyrus of the cerebral cortex
A.
B.
C.
D.
E.
53.  A patient with type AB blood can give a transfusion to type
A.
B.
C.
D.
54.  Calcitonin
A.
B.
C.
D.
E.
55.  Cortisol
A.
B.
C.
D.
E.
56.  The developmental period in which teeth and the palate are most susceptible to teratogenic agents is the
A.
B.
C.
D.
57.  The autonomic nervous system exerts its influence on
A.
B.
C.
D.
58.  Gingiva and buccal mucosa
A.
B.
C.
D.
E.
59.  The physiological concept that refers to the maintenance of a constant environment is
A.
B.
C.
D.
E.
60.  Which of the following is NOT associated with a skeletal muscle?
A.
B.
C.
D.
E.
61.  A patient has accidentally been given an intravenous solution that is extremely hypertonic. Which of the following well occur?
62.  Alveolar ventilation is increase by all of the following except
A.
B.
C.
D.
E.
63.  Which hormone promotes glucose transport from blood into cell?
64.  Referred pain is
A.
B.
C.
D.
65.  Actin and myosin are proteins contained within a
A.
B.
C.
D.
66.  Aldosterone
A.
B.
C.
D.
E.
67.  Which tract exerts a facilitative influence on motor neurons in the anterior horn?
A.
B.
C.
D.
E.
68.  Important centers for control of respiration and dardiovascular function are located in the
A.
B.
C.
D.
69.  Sodium ions are reabsorbed, and potassium and hydrogen ions are secreted under the control of
A.
B.
C.
D.
E.
70.  Which of the following valves prevent backflow of deoxygenated blood?
A.
B.
C.
D.
71.  Which gastrointestinal hormone controls secretion of water and bicarbonate by acinar cells of the pancreas
A.
B.
C.
D.
E.
72.  Reabsorption of water in the distal convoluted tubules and collecting ducts is regulated by
A.
B.
C.
D.
73.  Which of the following is/are not necessary for any of the responses referred to as reflexes?
A.
B.
C.
D.
E.
74.  A topic hormone
A.
B.
C.
D.
75.  The organelles that contain enzymes capable of digesting and destroying cellular debris
A.
B.
C.
D.
E.
76.  Calcium homeostasis is maintained by
A.
B.
C.
D.
77.  Which of the following is not a function of the pancreas?
A.
B.
C.
D.
78.  Functions of the adult liver include all of the following except
A.
B.
C.
D.
E.
79.  Active transport differs from facilitated diffusion in that active transport
A.
B.
C.
D.
E.
80.  Inability to coordinate muscular activity can be due to a lesion in the
81.  Blood pressure depends on
A.
B.
C.
D.
E.
82.  Ovulation
A.
B.
C.
D.
83.  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.
84.  All of the following are derived from endoderm except
A.
B.
C.
D.
85.  With inspiration
A.
B.
C.
D.
86.  Transport of water across a cell membrane
A.
B.
C.
D.
87.  Oxygenated blood flows through which of the following structures
A.
B.
C.
D.
88.  Respiratory tidal volume is
A.
B.
C.
D.
E.
89.  Almost all sensory impulses pass through what structure on their way to the cerebral cortex?
A.
B.
C.
D.
E.
90.  An increase in parasympathetic activity
A.
B.
C.
D.
91.  Carbon dioxide is carried in blood by all of the following EXCEPT
A.
B.
C.
D.
92.  Digestion means
A.
B.
C.
D.
E.
93.  Amino acids and glucose are reabsorbed in the proximal tubule by
A.
B.
C.
D.
94.  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.
95.  The pressoreceptor system
A.
B.
C.
D.
96.  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.
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