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