BI 216 S 2005 Hour Exam 1 Prof. Pinkham
Lecture Subjects 15-17
RECORD ALL ANSWERS ON THE SEPARATE ANSWER SHEET. ALL
ANSWERS SHOULD BE PRINTED WITH A SOFT PENCIL WITH CLEAN
ERASURES. (NO WRITE OVERS)
PARTS 1 AND 2 SHOULD BE ANSWERED WITH CAPITAL LETTERS.
(no open notes or open books)
Part 1 – Matching: From the terms on the right, select the one which best matches with
each statement on the left (the same term can appear in more than one answer).
Number Statement Terms
1. Protein hormones combine with receptor sites on the cell and A. micelles
cause the release of _____ into the cell, which catalyzes ATP B. asorbic acid
to a product that brings about cellular changes. C. mucosal elevator
2. Calcitonin is released by the _____. E. skeleton
3. Glucagon causes an increase in blood glucose levels by G. accessory
Digestive System I. adenylate cyclase
4. This class of organs secrete juices into the digestive tract. J. inferior
5. The unidirectional movement of a bolus of food in the L. glottis
alimentary canal is called _____. M. parathyroid
6. Contraction of the _____ constrictor muscle initiates N. uvula
peristalsis in the esophagus. O. glycogenolysis
7. The division of the autonomic nervous system which slows Q. adenosine
down digestive activities. monophosphate
8. Complexes with bile salts, fatty acids and cholesterol that are S. mucoid
more readily absorbed in the intestine. T. superior
Respiratory System U. diaphragm
9. The ciliated, mucus-secreting epithelium lining most of the V. thyroid gland
respiratory tract. W. mucociliary
10. During a sneeze, this structure closes off the mouth so the X. mixing
gust of air will go through the nose to blow out the irritant Y. hard palate
there. Z. parasympathetic
11. During quiet expiration, the _____ muscle (s) contract (s).
Part 2 – Multiple Choice: Select the answer that best completes or describes each statement.
1. The part of the brain that operates the posterior pituitary gland.
A. thalamus C. corpus callosum
B. mammillary body D. hypothalamus
2. ANP is secreted by the walls of the atria when the
A. blood pressure rises C. plasma C1- level rises
B. blood pressure falls D. plasma Na+ level rises
3. An example of a hormone secreted by the adrenal medulla is
A. mineralocorticoid C. aldosterone
B. glucocorticoid D. none of the preceding
4. The beta cells of the islets of Langerhans secrete
A. insulin C. melatonin
B. thyroxin D. ADH
5. Membranes lining major body cavities that lack openings to the outside are called
A. synovial C. serous
B. mucous D. cutaneous
6. The salivary gland that secretes the thick stringy mucus that binds food particles
together into a bolus.
A. parotid C. submaxillary
B. sublingual D. lingual
7. _____ contains enzymes for digestion of the four major categories of organic
A. Gastric juice C. Bile salts
B. Pancreatic juice D. Saliva
8. Oxygenated blood enters the liver in the
A. proper hepatic artery C. hepatic vein
B. hepatic portal vein D. central artery
9. Long-chain fatty acids are absorbed into lymphatic structures in the core of the
intestinal villi known as
A. Peyer’s patches C. Crypt’s of Lieberkuhn
B. Spheroids D. Lacteals
10. A respiratory role of the nasal conchae is to
A. increase sensitivity to smells
B. direct the incoming air to the trachea
C. warm and moisten the incoming air
D. increase the flow of incoming air
11. The walls of the alveoli are composed of
A. ciliated columnar epithelium
B. simple squamous epithelium
C. stratified squamous epithelium
D. loose connective tissue
12. The amount of air that enters or leaves the lungs during a normal respiratory cycle is
A. tidal volume C. vital capacity
B. residual volume D. total lung capacity
Part 3 – Fill-in: Identify the best missing word or phrase that fills each numbered blank.
The body uses cholesterol to synthesize 1_______________ (a chemical class) hormones. Thyroid
stimulating hormone is controlled by 2_______________ from the hypothalamus. T3 stands for
3_______________. The zona 4_______________ of the adrenal cortex secretes aldosterone. The
hormone insulin promotes the cellular absorption of glucose, and amino acids and the
5_______________ ion. The thymus secretes the hormone 6_______________.
Once food has been digested, it must be 7_______________ into blood. Name the three accessory
organs in the abdominopelvic cavity: 8_______________The layer of the alimentary tract wall
containing most of the digestive glands and all of the goblet cells is known as the
9_______________. The mixture of food and secretions of the GI tract forms a slurry known as
10_______________. What is the scientific name of the bacterium responsible for tooth decay?
11_______________. Gastric juice includes 12_______________ and _______________ for
digestion of proteins, gastric lipase for the digestion of lipids and intrinsic factor for the absorption of
certain vitamins. This true accessory organ secretes enzymes into the small intestine essential for the
digestion of the four major groups of organic compounds: 13_______________. Which endocrine
hormone triggers the release of pancreatic juice high in bicarbonate ion? 14_______________. The
15_______________ is the functional unit of the liver. The gall bladder is lined with
16_______________ epithelium. The abundant 17_______________ in the small intestine increase
the surface area for efficient absorption.
The second most abundant constituent in air is 18_________________. The large, unpaired
cartilages in the larynx are the 19_______________, ________________ and _______________.
The sac in the lung where oxygen in the air is absorbed into capillaries is the 20_______________.
Give one “level of defense” whereby the bronchial tree cleans the incoming air 21_______________.
The main portion of the rhythmicity area found in the medulla oblongata is the 22
inspiratory/expiratory (Choose one.) area.
Part 4 - Labeling: Parts of the diagrams below are labeled with letters. Next to each diagram you will
find numbers referring you to selected letters for each diagram. Identify the most appropriate label for
the part indicated by each selected letter.