1.
5.g A) 4 B) 2 C) 3 D) 5 2.
6.i A) 20/60 B) 3 C) 1/3 D) 20 3.
5.g A) 100 dB B) 10 dB C) 50 dB D) 0 dB 4.
5.d A) 38 weeks B) 1 year C) 6 months D) 97 days 5.
6.a A) an electromagnetic wave B) an opaque material C) the primary colors D) the electromagnetic spectrum 6.
6.f A) are scattered B) increase their frequency C) are reflected D) change speed 7.
5.a, 5.b A) Asthma reduces the amount of blood the heart pumps to the lungs. B) Asthma makes breathing difficult because the airways swell, making them narrower. C) Asthma causes tumors to form on the lungs. D) Asthma causes an infection that prevents gas exchange in the lungs. 8.
5.d A) Cilia in the fallopian tube move the egg. B) It moves due to gravity pulling it down. C) The tail, or flagellum, of the egg moves it forward. D) Blood carries the egg to the uterus. 9.
6.j A) Blood is carried through the body by the gases brought in through the lungs. B) Blood flows due to the force of gravity pushing it through the body. C) Blood is pumped through the body by the heart. D) Blood does not move through the body unless an injury causes blood to flow out of the body. 10.
5.g A) Blockage of the middle ear. B) Damage to cochlea. C) Infections of the eardrum. D) Buildup of material in the auditory canal. 11.
5.g A) ciliary B) cones C) cornea D) rods 12.
5.a, 5.b A) cystic fibrosis B) pneumonia C) hypertension D) asthma 13.
6.d A) brighter B) larger C) smaller D) dimmer 14.
5.g, 6.e A) two B) one C) three D) four 15.
6.h, 6.i A) first B) third C) second D) fourth 16.
6.j A) valves B) gravity C) blood pressure D) gas pressure 17.
6.d A) less than one focal length B) greater than one focal length C) one focal length D) greater than two focal lengths 18.
5.a, 5.b A) heart-vein-capillary-artery B) heart-capillary-artery-vein C) heart-artery-capillary-vein D) hear-artery-vein-capillary 19.
5.d A) An egg cell breaks through the wall of an ovary during ovulation and moves into a fallopian tube. B) Sperm are inserted into the vagina, from which they swim to the ovary, triggering the start of the cycle. C) The endometrium thickens to prepare for possible fertilization. D) If the egg is not fertilized, the endometrium breaks down and flows out of the body during the menstrual period. 20.
5.g A) It vibrates against the tympanic membrane. B) It funnels sound into the middle ear. C) It connects the middle ear to the throat D) It connects the middle ear to the outer ear. 21.
5.g A) It increases. B) It decreases. C) It stays the same. D) It depends on the instrument making the sound. 22.
5.e A) It produces hormones that regulate the reproductive cycle. B) After birth, it is severed where it is attached to the baby. The connection becomes the belly button. C) It contains a great number of blood vessels from the mother and the fetus D) It is a thick, muscular organ inside which the fertilized egg develops. 23.
5.e A) It is health care designed to protect the health of a pregnant woman and the developing fetus. B) It is the care given to babies who are born prematurely. C) It is medication given to young girls before they reach puberty. D) It is the help given to a new mother before she takes her baby home from the hospital. 24.
6.h, 6.i A) toes B) ankle C) hip D) knee 25.
5.c A) Reversal B) Extension C) Flexion D) Lateral 26.
5.a, 5.b A) left atrium B) right atrium C) right ventricle D) left ventricle 27.
5.a, 5.c A) Ligaments produce white blood cells. B) Ligaments connect bones to muscles. C) Ligaments make up the tips of your ears and nose and covers the ends of some bones. D) Ligaments connect bones to other bones. 28.
6.b A) Light rays absorbed by the object must enter the eye. B) Light rays emitted by the eye must be reflected from the object. C) Light rays emitted or reflected from the object must enter the eye. D) Light rays emitted by the eye must be absorbed by the object. 29.
5.d A) brain B) lungs C) heart D) liver 30.
5.a, 5.b A) flattened disc B) sphere C) cylinder D) long, flat rectangle 31.
6.j A) left ventricle B) right atrium C) right ventricle D) lungs 32.
5.e A) miscarriage B) low birth weight C) premature birth D) having twins 33.
5.c A) protection B) support C) blood circulation D) movement 34.
5.a, 5.c A) Muscle cells contain fewer mitochondria than other cells. B) Muscle cells contain more mitochondria than other cells. C) Muscle cells are cell walls. D) Muscle cells are made in the marrow of bones. 35.
5.a, 5.c A) ligaments B) red blood cells C) white blood cells D) muscle tissue 36.
6.h, 6.i A) Bones are joined together by muscles. B) Bones act as levers, joints act as pivot points, and muscles provide the force. C) The muscles between bones form joints. D) Muscles are the fulcrum where joints apply force to bones. 37.
5.b A) nose or mouth--lungs--trachea--bronchi B) nose or mouth--trachea--lungs--bronchi C) nose or mouth--lungs--bronchi--trachea D) nose or mouth--trachea--bronchi--lungs 38.
5.g A) cochlea B) incus C) malleus D) oval window 39.
5.a, 5.b A) Oxygen flows out of the left and right ventricles and into the lungs. B) Carbon dioxide flows out of the lungs and into the blood. C) Oxygen flows out of the blood and into the lungs. D) Carbon dioxide flows out of the blood and into the lungs. 40.
5.g A) amplitude B) loudness C) decibel D) pitch 41.
5.c A) saddle joint B) hinge joint C) flexion joint D) pivot joint 42.
5.b A) air pollution B) food allergies C) obstruction of the trachea D) pneumonia 43.
5.d A) prostrate gland and urethra B) bladder and epididymis C) penis and bladder D) seminal vesicles and prostate gland 44.
6.b A) iris B) lens C) cornea D) pupil 45.
6.b A) transmit only wavelengths of green light B) absorb only wavelengths of green light C) reflect only wavelengths of green light D) refract only wavelengths of green light 46.
5.a, 5.c A) deltoid B) tricep C) quadricep D) rhomboid 47.
6.f A) scattered B) absorbed C) reflected D) transmitted 48.
5.a, 5.c A) marrow B) cardiac C) smooth D) skeletal 49.
5.a, 5.b A) exercises that raise the heart rate B) being overweight C) eating a diet high in fat and cholesterol D) smoking 50.
5.g A) oval window B) cochlea C) tympanic membrane D) stapes 51.
5.b A) alveoli B) diaphragm C) lung D) sternum 52.
5.d A) storage of sperm in the urethra B) insertion of the penis into the female's reproductive tract C) production of sperm in the epididymis D) the movement of sperm out of the penis 53.
6.g A) the angle of reflection equals two times the angle of incidence B) the angle of reflection equals one half the angle of incidence C) the angle of incidence equals the angle of reflection D) the angle of reflection equals the angle of incidence only if the surface is smooth. 54.
5.g A) film B) the shutter C) the lens D) the aperture 55.
5.g A) The area has high pressure and low density. B) The area has low pressure and high density. C) The area has high pressure and high density. D) The area has low pressure and low density. 56.
6.c A) The amplitude of the light waves doesn't change. B) The speed of the light waves doesn't change. C) The light waves are not scattered. D) The light waves are not reflected. 57.
6.e A) The prism produces light waves with different wavelengths. B) Light waves with longer wavelengths are bent more than light waves with shorter wavelengths. C) Light waves with shorter wavelengths are bent more than light waves with longer wavelengths. D) The prism filters out all wavelengths except those corresponding to visible light waves. 58.
5.d A) and egg cell and its surrounding cells B) a fertilized egg before it exists the ovary C) the lining of the uterus during pregnancy D) the structures that move an egg through the fallopian tube 59.
5.c A) There is no difference. They are different names for the same joint. B) The ball-and-socket joint has a rounded bone that fits into a cuplike depression in another bone, but the ellipsoid joint is an arrangement of tendons that function as a joint. C) The ellipsoid joint is found in other primates, but not humans. The ball-and-socket joint is found only in humans. D) An ellipsoid joint cannot move in as many directions as a ball-and-socket joint. 60.
5.a, 5.b A) They last for many years, getting bigger as they grow older. B) They wear out and are replaced by your body every two months. C) They last for about 20 hours before being replaced by your body. D) They carry carbon dioxide from your lungs to all parts of your body. 61.
5.b A) bronchioles B) bronchi C) alveoli D) trachea 62.
5.d A) hold the testes outside the body at the proper temperature for sperm production B) protect the egg as it develops C) produce hormones that control sperm production D) transport sperm to the urethra 63.
5.a, 5.c A) tricep B) bicep C) hamstring D) heart 64.
5.g A) external ear B) auditory canal C) incus D) tympanic membrane 65.
5.d A) vagina B) cervix C) fallopian tube D) uterus 66.
5.d A) epididymis B) scrotum C) seminal vesicles D) vas deferens 67.
5.g A) vibration B) compression wave C) pitch D) echo 68.
5.g A) rarefaction wave B) compression wave C) transverse wave D) vibration wave 69.
5.e A) ascorbic acid B) folic acid C) calcium D) vitamin E 70.
5.g A) sound B) energy C) light D) water 71.
5.g A) m B) Hz C) m/s D) wavelengths 72.
5.d A) before she is born B) at puberty C) during sexual activity D) when sperm enters the vagina 73.
5.g A) Where the molecules in air are spread apart. B) Where the molecules in air are pushed together. C) Where the sound wave is produced. D) Where the sound wave hits the ear. 74.
6.a A) yellow B) red C) green D) violet 75.
5.c A) knuckles of your hand B) first 2 vertebrae in your neck C) your ankles and wrists D) your lower jaw
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