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