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122 terms

Biology 1409 Final

Non-science major human Biology
STUDY
PLAY
1) Incontinence is often the final outcome of the urinary system during the aging process.
True
2) The process of breathing is known as pulmonary ventilation.
True
3) The involuntary internal urethral sphincter is composed of skeletal muscle.
False, it is composed of smooth muscle
4) The functions of the alimentary canal include ingestion, digestion, absorption, and defecation.
true
5) An astigmatism results from unequal curvatures of the cornea or lens.
True
6) The umbilical vein carries blood rich in nutrients and oxygen to the fetus.
True
7) Sexually transmitted infections (STIs) are primarily infections of the reproductive tracts but may also cause urinary tract infections.
True
8) Melatonin production peaks during the night to help regulate the body's day-night cycle.
True
9) The lungs of the fetus are filled with air late in pregnancy.
False, they are filled shortly after birth
10) The process of mastication is simply known as chewing.
True
11) Beginning at the ninth week of development, the embryo is referred to as a fetus.
TRUE
12) Lymph flows in one direction only: toward the heart.
TRUE
13) The study of hormones and endocrine organs is known as immunology.
FALSE,it is Endocrinology
14) In fetal circulation, blood travels directly from the right atrium to the left atrium through the foramen ovale.
TRUE
15) The placenta is a temporary organ formed in the uterus of pregnant women.
TRUE
16) Hematopoiesis refers to the formation of blood cells within the red marrow cavities of certain bones.
TRUE
17) Adrenaline is also known as epinephrine.
TRUE
18) The tiny filtering structures of the kidneys are called nephrons.
TRUE
19) The "stirrup" is also referred to as the stapes.
TRUE
20) The hormones secreted by the posterior pituitary are actually made by the hypothalamus.
TRUE
21) Hypersecretion of growth hormone during childhood leads to pituitary dwarfism.
FALSE, it leads to pituitary gigantism
22) The olfactory receptors are responsible for the sense of taste.
FALSE, they are responsible for the detection of odor molecules..
23) The bony labyrinth of the internal ear consists of the cochlea, vestibule, and the semicircular canals.
TRUE
24) The neurotransmitter used by the nervous system to activate skeletal muscle cells is acetylcholine.
TRUE
25) Cones enable vision in dim light.
FALSE, Cones are active at higher light levels
26) The choroid consists of an outer, pigmented layer and an inner, neural layer which is home to rods and cones.
FALSE
27) The large intestine extends from the pyloric sphincter to the anus.
FALSE, The large intestine extends from the end of the ileum to the anus
28) Gray matter contains collections of unmyelinated fibers and cell bodies in the central nervous system.
TRUE
29) Exchanges between blood and tissue cells occur in capillary beds.
TRUE
30) Cardiac and smooth muscle both have striations.
FALSE, only cardiac muscles have striations
31) The region of the renal tubule closest to the glomerular capsule is the distal convoluted tubule.
FALSE
32) The ascending colon is found on the left side of the abdominal cavity.
FALSE, it is on the right side.
33) The acrosome helps a sperm penetrate the follicle cells that surround the egg.
TRUE
34) The pupil is the circular opening in the iris through which light passes.
TRUE
35) The lymph nodes filter bacteria, viruses, and tumor cells from blood on its way back to the heart.
FALSE
36) Universal donors can receive blood groups A, B, AB, and O.
FALSE
37) The function of the C-rings of hyaline cartilage in the trachea is to keep the airway patent or open for breathing.
TRUE
38) Plane, hinge, and pivot joints are all types of synovial joints.
TRUE
39) The external genitalia of a female is also called the vulva.
TRUE
40) The respiratory membrane is the air-blood barrier, where gases are exchanged.
TRUE
41) Dendrites release neurotransmitters into the extracellular space during nerve impulse transmissions.
FALSE
42) The pigment that gives urine its characteristic yellow color is urochrome.
TRUE
43) Biceps brachii, brachialis, and brachioradialis all cause arm flexion at the elbow joint.
TRUE
44) Antigens are substances the body recognizes as foreign.
TRUE
45) Bile is produced by the liver but stored in the gallbladder.
TRUE
46) Thick filaments are made of a protein called actin.
FALSE
47) The most important function of the thymus gland is to destroy worn-out red blood cells and return some of the products to the liver.
FALSE
48) Blood proteins and blood cells are too large to pass through the filtration membrane and should not be found in filtrate.
TRUE
49) The arrangement of lamellae around central (Haversian) canals forms osteons.
TRUE
50) Proteins are broken down into building blocks known as amino acids by the digestive system.
TRUE
51) The chordae tendineae anchor the semilunar valves to the walls of the ventricles.
FALSE
52) The last two pairs of ribs are called true ribs because they have no anterior attachments.
FALSE
53) The temperature of blood is slightly lower than body temperature.
FALSE
54) Estrogens cause the appearance of secondary sex characteristics in females.
TRUE
55) Vaccines provide naturally acquired active immunity to diseases such as pneumonia, diphtheria, and measles.
FALSE
56) Smooth muscles activity generates heat to help maintain body temperature.
FALSE
57) Rheumatoid arthritis is an autoimmune disease that affects fibrous joints.
FALSE
58) The highest level of structural organization in humans is the organ level.
FALSE
59) The striations seen in skeletal muscle are actually alternating A and I bands.
TRUE
60) The ABCD rule is used for classifying burns.
FALSE
61) Glucose and fructose are classified as disaccharides.
FALSE
62) Ovulation usually occurs on or about day 14 of the menstrual cycle.
TRUE
63) Hair is produced by the hair bulb and is composed primarily of dead keratinized cells.
TRUE
64) Arteries always carry blood away from the heart.
TRUE
65) Membranes that line body cavities that have openings to the exterior of the body are called mucous membranes.
TRUE
66) Leukocytes are more numerous in blood than erythrocytes.
FALSE
67) Sebaceous glands release sweat to help control body temperature.
FALSE
68) The pinkish hue of healthy individuals with fair skin is the result of the crimson color of oxygenated hemoglobin circulating in the dermal capillaries and reflecting through the dermis.
TRUE
69) The lower the pH, the greater the number of hydrogen ions.
TRUE
70) The average heart beats approximately 75 times each minute at rest.
TRUE
71) The four most common elements in the human body, in order of descending quantity, are hydrogen, carbon, oxygen, and nitrogen.
FALSE
72) Inactive or stored energy is called kinetic energy.
FALSE
73) The number of protons in an atom equals the atomic number for that element.
TRUE
74) The human body consists of approximately 60% to 80% water.
TRUE
75) Most homeostatic control mechanisms are negative feedback reactions.
TRUE
76) The larynx routes air and food into their proper channel and plays an important role in speech production.
TRUE
77) The endocrine system is the fast-acting body control system.
FALSE
78) Tissue grafts harvested from an unrelated person are called xenografts.
FALSE
79) Blood plasma makes up the majority of the blood content.
TRUE
80) The lymphatic system collects fluids leaked by the cardiovascular system and returns them to the bloodstream.
TRUE
81) Urine and sperm are able to pass through the urethra at the same time.
FALSE
82) The internal urethral sphincter is involuntary.
TRUE
83) The tonsils are located in the larynx.
FALSE
84) Artificially acquired passive immunity is conferred when one receives immune serum for poisonous snake bites.
TRUE
85) The ejaculatory duct passes through the prostate gland.
TRUE
86) Normal pH of blood is between 7.35 and 7.45.
TRUE
87) The adrenals, pancreas, thyroid, and parathryoids are glands of the endocrine system.
TRUE
88) Urine moves down the ureters into the bladder due to gravitational pull alone.
FALSE
89) The males testes have both an endocrine and an exocrine function.
TRUE
90) Sperm are matured and ejaculated from the epididymis and ductus (vas) deferens during ejaculation.
FALSE
91. pH of the skin is __________ to inhibit bacterialgrowth
ACIDIC
92. ________ traps microorganisms in respiratory pathways
MUCUS
93. What cell releases histamine? a. histamine cell b. B-cell c. mast d. blood
MAST CELL
94. Which is an example of an antigen?a. pollen b.
POLLEN
95. Blood temperature runs higher than body temperature at _____.
100
96. Which is direct effected by Rh blood factor?a. mom b. dad c. baby d. both A and C
MOM AND BABY
97. A blood clot in the vessels of the brain can cause a _____.
STROKE
98. The testes produce ____.a. estrogen b. progesterone c. insulin d. none of the above
D NONE OF THE ABOVE
99. The ovaries produce _____. a. estrogen b. progesterone c. insulin d. both A and B
D. ESTROGEN AND PROGESTERONE
100. Melatonin helps to regulate the ____. a. blood flow b. backflow of blood c. capillary action with the plasma d. none of the above
D. NONE
101) Urine and sperm are able to pass through the urethra at the same time.
FALSE
102) Urine moves down the ureters into the bladder due to gravitational pull alone.
FALSE
103) An erection results from blood filling the spongy erectile tissues of the penis.
TRUE
104) Gas exchange occurs in the:
ALVEOLI
105) Vaccines are NOT for:A) snake bites B) tetanus C) polio D) pneumonia E) measles
A.SNAKE BITES
106) The lymph tissues found within the walls of the small intestine are called:
PEYER'S PATCHES
107) The body's first line of defense against the invasion of disease-causing microorganisms is:
SKIN AND MUCUS MEMBRANES
108) Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver:
SPLEEN
109) Which lymphoid tissues trap and remove bacteria entering the throat:
TONSILS
Air moving in and out of the lungs is called:
PULMONARY VENTILATION
111) Lymph is largely composed of water that has escaped from:
BLOOD
112) Chest pain resulting from the loss of oxygen to heart cells is called:
MYOCARDIAL INFARCTION
Which one of the following alimentary segments has NO digestive function:A) ascending colon B) duodenum C) esophagus D) stomach E) ileum
ESOPHAGUS
The large intestine extends from the pyloric sphincter to the anus.
114) FALSE
115) Pulmonary circulation involves blood flow to and from the heart and the:
115) LUNGS
116) Deoxygenated blood is returned to the right side of the heart by the:
superior and inferior vena cavae
117) The tricuspid valve is located between the:
right atrium and right ventricle
118) Which of the following is a blood clotting disorder:
HEMOPHILIA
119) The right AV valve is known as the:
pulmonary semilunar valve
120) Which blood types carries no antigens:
TYPE O
121) The pointed apex of the heart is oriented toward the:
LEFT HIP
122) Which blood type(s) can a person with blood type O receive:
BLOOD TYPE O