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