1.dental Hygiene Board Review

96 Questions  I  By Vloseva on December 16, 2008
# 1. Board Review for Dental Hygiene. Questions were taken from various sources, including books, online sources, and etc. 

  

Question Excerpt

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