BIO 227 ADDITIONAL FINAL QUESTIONS
Layer of the GI tract responsible for peristalsis and segmentation. A-muscularis externa B-lamina propria C-muscularis mucosae D-serosa E-submucosa
A
The opening of the oviduct is surrounded by these structures. A-fimbriae B-cardinal ligaments C-internal os D-external os E-isthmus
A
The trachealis muscle A)constricts the trachea. B)raises the larynx when swallowing. C)initiates the cough reflex. D)controls the length and tension of the vocal cords.
A
What type of epithelium occurs in the respiratory mucosa? A)pseudostratified ciliated columnar epithelium B)simple squamous epithelium C)simple columnar epithelium D)stratified squamous epithelium
A
All of these organs contribute to mechanical digestion EXCEPT ? A-teeth B-submandibular, sublingual and parotid salivary glands C-tongue D-small intestines
B
In addition to remaining granulosa cells, which of the following cell types make up the corpus luteum? A-oocyte B-theca cells C-interstitial cells D-cells of the corona radiata
B
Of the three different layers of tissue in the wall of the trachea, the outermost layer is the A)muscularis. B)adventitia. C)submucosa. D)lamina propria.
B
Sperm become motile in the A-ductus deferens. B-epididymis. C-seminiferous tubules. D-prostate.
B
Sperm become motile in the A-seminiferous tubules. B-epididymis. C-prostate. D-ductus deferens.
B
Supportive cartilage disappears from the bronchial tree at the level of the A)lobar bronchi. B)bronchioles. C)alveolar duct. D)respiratory bronchiole.
B
The ability to vary the pitch of the voice results from varying A)the shape of the cricoid cartilage. B)the tension in the vocal folds. C)the force of air passing over the vocal folds. D)the size of the laryngeal cartilages.
B
The typical (diploid) cells of the body have 46 chromosomes; how many chromosomes does each gamete have? A-46 B-23 C-46 pairs D-184
B
Most foreign substances in inspired air fail to reach the lungs because of the A)action of the epiglottis. B)abundant blood supply to the nasal mucosa. C)porous structure of the nasal conchae. D)ciliated epithelium and mucus that line the respiratory passages.
D
Of the three different layers of tissue in the wall of the trachea, the outermost layer is the A-lamina propria. B-muscularis. C-submucosa. D-adventitia.
D
the process by which oxygen enters the tissues from the blood
internal respiration
present before birth' all subsequent follicle stages arise from this structure
primordial follicles
first follicle to have a well-defined antrum; comprised of stratified epithelium
secondary follicle
For each oogonium that undergoes meiosis, how many eggs result? A-two B-three C-four D-one
D
How is an ovulated oocyte directed into the uterine tube? A-The ovary has a small region at its medial surface that connects to the uterine tube, so the oocyte is carried directly from the ovary into the infundibulum of the uterine tube. B-The most mature oocyte moves around within the ovary in a counterclockwise fashion, allowing the fimbriae to coax the oocyte along the uterine tube. C-The oocyte moves straight through the ovary and then along the path of the uterine tubes in much the same way a sperm "swims" through the male reproductive ducts. D-The infundibulum covers the ovary and the fimbriae cilia, generate currents in the pelvic cavity fluid that move the oocyte into the uterine tube.
D
In lung cancer, the cancer cells usually arise from A)the smooth muscle fibers around the bronchioles. B)the alveoli. C)lymph nodes in the lung. D)the epithelium lining a large bronchus.
D
type II cells produce ____
surfactant
contains a secondary oocyte surrounded by zona pellucide and corona radiata
vesicular follicle
a gycoprotein layer that a sperm must ultimately penetrate to fertilize the oocyte
zona pellucida
the epithelium at the top portion of the respiratory tract
psuedostratified
This layer of the uterus contracts during parturition to expel the baby. A-stratum basalis B-myometrium C-stratum functionalis D-endometrium E-perimetrium
B
What is the function of the seminiferous tubules? A-They assist in transferring heat from arterial blood, cooling it before the blood enters the testes. B-They are the site of sperm manufacture. C-They secrete the fluid that cleanses the urethra just before ejaculation. D-They are the location where sperm gain motility and the ability to fertilize an ovum.
B
Which of the following changes does not occur as the conducting tubes of the respiratory tree become smaller? A-The lining epithelium thins. B-Elastin in the walls disappears. C-Cartilage disappears in the bronchioles. D-Cartilage rings are replaced by irregular plates of cartilage.
B
Which of the following choices correctly pairs a type of cell in the stomach with its secretion? A-parietal cell; pepsinogen B-chief cell; pepsinogen C-enteroendocrine; hydrochloric acid D-parietal cell; mucus
B
Which of the following is the primary sex organ in the male? A-the epididymis B-the testis C-the penis D-the prostate
B
Which of these statements accurately lists the components of the mucosa of the alimentary canal? A-major blood and lymphatic vessels, connective tissue, and intrinsic glands B-epithelium, lamina propria, and muscularis mucosae C-submucosa, muscularis externa, and serosa D-longitudinal muscularis and circular muscularis E-goblet cells, intrinsic glands, and simple squamous epithelium
B
A difference between a primary follicle and a primordial follicle is that A-the primary follicle is an earlier stage than the primordial follicle. B-one has an antrum and the other does not. C-the primordial follicle has only a single layer of flat follicular cells, whereas the primary follicle is comprised of cuboidal follicle cells. D-the oocyte is larger in the primordial follicle.
C
By undergoing meiosis, each primary spermatocyte ultimately gives rise to how many sperm cells? A-two B-eight C-four D-billions
C
Most foreign substances in inspired air fail to reach the lungs because of the A)action of the epiglottis. B)abundant blood supply to the nasal mucosa. C)ciliated epithelium and mucus that line the respiratory passages. D)porous structure of the nasal conchae.
C
The ________ flaps over the glottis when we swallow food. A)palate B)uvula C)epiglottis D)vocal fold
C
The digestive organ primarily responsible for the absorption of water is the A-ileum. B-duodenum. C-large intestine. D-anus.
C
The female uterine cycle begins A-at the end of menstruation. B-every six weeks. C-on the first day of menstruation. D-at ovulation.
C
The most common site of ectopic pregnancy is the A-peritoneal cavity. B-vagina. C-uterine tube. D-uterus.
C
The seminal vesicles A-empty into the epididymis. B-secrete digestive enzymes when cancerous. C-are glands that secrete most of the volume of the semen. D-store sperm.
C
The stomach A-absorbs most of the nutrients in food. B-dehydrates food materials before passing them to the small intestine. C-churns food into a paste by mechanical means. D-stores food for later use in the form of fat.
C
Type of cell in the testes that produces testosterone. A-spermatogonium B-spermatid C-interstitial D-sustentocytes E-primary spermatocyte
C
What is the function of alveolar macrophages found within and between alveoli? A)diffusion of oxygen from the alveolus into the blood B)diffusion of carbon dioxide from the blood into the alveoli C)removal of microscopic inhaled particles D)equalization of air pressure throughout the lung E)providing alternative routes for air to reach alveoli whose bronchi have collapsed because of disease
C
Which of the following organs does not contribute secretion(s) during the male sexual response? A-prostate B-bulbourethral glands C-corpus cavernosum D-seminal vesicles
C
Granulosa and theca cells that remain after ovulation; secretes estrogen and progesterone
CORPUS LUTEUM
The detergent-like molecule that keeps the alveoli from collapsing between breaths is called A)bile. B)oxygen. C)hemoglobin. D)surfactant.
D
The epithelium lining the vagina is A-simple columnar. B-simple squamous. C-pseudostratified columnar. D-stratified squamous.
D
The epithelium lining the vagina is The epithelium lining the vagina is A-simple columnar. B-simple squamous. C-pseudostratified columnar. D-stratified squamous.
D
The fluid-filled cavity in a mature ovarian follicle is known as A-zona pellucidum. B-theca folliculi. C-corona radiate. D-antrum. E-granulaosa cells.
D
Vibrissae are A-the sensory organs of the inner ear. B-specialized cells in the larynx that react to vibrations of air. C-large hairlike projections on epithelial cells that line the trachea. D-nose hairs.
D
What type of epithelium occurs in the respiratory mucosa? A)stratified squamous epithelium B)simple squamous epithelium C)simple columnar epithelium D)pseudostratified ciliated columnar epithelium
D
Where does internal respiration take place? A)within the larger blood vessels traveling to organs B)in each respiratory airway from the trachea to the terminal bronchioles C)between air/oxygen in alveoli and the capillaries on the alveolar surface D)at systemic capillaries, between blood and tissue cells E)All of the listed responses are correct.
D
Which of these statements accurately describes important differences in the histology of the stomach compared to other regions of the digestive tract? A-The outer layer is called adventitia. B-The outer layer is the serosa (visceral peritoneum). C-There are three layers of smooth muscle in the muscularis mucosa. D-There are three layers of smooth muscle in the muscularis externa.
D
Alveolar cells that allow rapid diffusion of respiratory gases. A)Type II B)pseudostratiied columnar epithelial cells C)endothelial cells D)alveolar macrophages E)Type I
E
Anatomical region of the nasal cavity containing nose hairs. A)olfactory mucosa B)nasal septum C)nasal conchae D)uvula E)vestibule
E
Gas exchange occurs across the bronchi and bronchioles. True False
FALSE
The respiratory zone begins at the large bronchioles. True False
FALSE
The trachea, bronchi, and bronchioles are all located within the lungs. True False
FALSE
serous glands in the respiratory system produce a fluid that
degrades bacteria
as bronchi decrease in size, ____ replaces _____
skeletal muscle replaces smooth muscle
Identify the correct list of reproductive organs that spermatozoa pass through after they are produced in seminiferous tubules, ending just before they exit the body at the external urethral orifice. Use this numbered key to make your choice. 1. ampulla of ductus deferens 2. testis 3. spongy urethra 4. ductus deferens 5. straight tubule 6. duct of the epididymis 7. prostatic urethra 8. efferent ductile 9. membranous urethra 10. ejaculatory duct
5 2 8 6 4 1 10 7 9 3
The ________ flaps over the glottis when we swallow food. A)uvula B)palate C)vocal fold D)epiglottis
D
connective tissue layer that condenses around a primary follicle; outer layer cells resemble smooth muscle cells and inner layer secretes hormones
theca folliculi
