1.dental Hygiene Board Review

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

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