Human Body Systems Unit 1 Test.doc 5e2358

Choose and write the correct answer. 1. The ___ is the outer, thinnest layer of your skin. epidermis dermis fatty layer 2. 7

hair

One of the purposes of sweat glands is to release waste products, such as water and _____. blood salt dirt sugar 3. Which of the following muscles are voluntary? cardiac skeletal 4. Spongy bone has many small, open spaces that make bones _____.

smooth none

hard flexible 5. Which t is used the most in your body?

lightweight strong

ball-and-socket hinge gliding pivot 6. Which of the following correctly describes how an impulse moves through a neuron? Motor neuron->Sensory neuron->Interneuron Dendrite->Cell body->Axon Cell body->Dendrite->Axon Sensory neuron->Interneuron->Motor neuron 7. The _____ nervous system includes the brain and the spinal cord. autonomic peripheral central cranial 8. The ____ is the structure in the ear responsible for maintaining balance. anvil middle ear 9. Which of the following is a depressant?

outer ear semicircular canals

alcohol chocolate cocoa 10. Adolescence usually begins around ages ____.

soft drinks

8 10 or 11 12 or 13 16 11. One job of the _____ gland is to secrete hormones that begin the production of eggs and sperm. adrenal pituitary thyroid 12. How long does a human baby develop inside its mother?

hypothalamus

six months one year 13. Fertilization usually takes place in the ____.

nine months eight months

uterus oviduct

ovary vagina

Multiple Choice 1.Which of the following describes tissues? a. A group of cells in the same area of the body.

b. A group of associated cells with similar structure and function. c. A group of organs with similar structure and function d. Sheets of cells in a box. 2.Which of the following statements is NOT a function of the skeletal system? a. Produce red blood cells c. create movement b. store minerals d. protect underlying tissues or organs. 3.The bone in the forearm that attaches to the thumb side of the wrist is the a. radius c. humerus b. ulna d. fibula 4.The most proximal bone of the leg would be the a. humerus c. coxal b. tibia d. femur 5.Which lower leg bone is found on the lateral side of the leg? a. femur c. fibula b. humerus d. tibia 6.The vertebrae in the region of the neck are called the a. lumbar vertebrae b. cervical vertebrae 7.The ribs all emerge from the a. lumbar vertebrae b. cervical vertebrae

c. d.

thoriac vertebrae v-neck vertebrae

c. d.

thoracic vertebrae v-neck vertebrae

8.The ribs, except for the floating ribs, are attached on the anterior side ofthe body to the a. clavicle c. sacrum b. scapula d. sternum 9.The bone on the posterior surface of the head is the a. frontal c. occipital b. parietal d. temporal 10.Which of the following is NOT a function of the muscular system? a. generate body heat b. create movement of the skeleton c. determine the range of motion of ts d. move fluid substances through hollow organs 11.The field of forensic anthropology would include analyzing skeletal remains to determine any of the following except a. height c. cause of death b. sex d. ethnicity 12.Which of the following bone features would be used to collect data for determining height? a. length of the tibia c. length of the humerus b. length of the femur d. all the above 13.The tool used for many of the bone measurements is the a. ruler c. protractor b. com d. caliper 14.One of the ongoing chances occurring in our population, which will likely impact forensic anthropology is that a. people are getting shorter c. the unisex trend b. races are blending d. people are living longer 15.Which of the following nucleotide pair bonds would be found in a DNA molecule? a. adenine-guanine c. adenine-cytosine b. guanine-cystosine d. cytosine-uracil 16. The backbone of a DNA molecule is made of which two components? a. phophate molecules and ribose sugars b. deoxyphophate moleucles and ribose sugars c. phosphate molecules and deoxyribose sugars d. deoxyphosphate molecules and deoxyribose sugars 17. The genetic information is coded in DNA by a. the regular alteration of sugar and phosphate molecules b. the sequence of nucleotides c. the three-dimensional structure of the double helix d. the structure of the histones 18.A restriction enzyme is a. an enzyme that recognizes specific nucleotide sequences and cuts up DNA b. an enzyme that recognizes specific phosphate molecule sequences and cuts up DNA c. an enzyme that recognizes specific deoxyribose sugar sequences and cuts up DNA d. all of the above 19.Gel electrophoresis separates nucleic acids by a. shape c. both A and B b. size d. neither A or B 20.Which of the following is NOT part of the coxal bone?

a. ischium b. pubis 21.The axial skeleton contains a. the skull, vertebral column, and pelvis b. arms, legs, hands and feet 22.The orbicularis oris a. closes, purses, and protrudes the lips b. pulls the lower lip down and back 23.The temporalis a. raises the corners of the mouth b. closes the jaw

c. d.

ilium pelvic

c. d.

the skull, vertbral column, and rib cage shoulder and pelvic girdles

c. d.

draws the eyebrows together allows blinking and squinting

c. d.

pulls corners of mouth inferiorly compresses the cheek

Match the following tissues with the choices below. They may be used once, more than once or not at all. a. epithelial tissue c. muscular tissue b. connective tissue d. neural tissue ____ ____ ____ ____ ____ ____ ____

24.abundance of protein fibers in matrix 25.create movement 26.cells ed closely together on a surface 27.binding and 28.regulate permeability through absorption, secretion, and diffusion 29.conduct stimulus-repsonse activity 30.attach bone to bone

Match the following descriptions with the below. Some of the description may not be used. a. Located inward from the surface h. head region b. Located at or near the surface i. chest region c. loin, posterior to the groin j. lies below a reference point d. back of elbow k. lies above a reference point e. toward the midline of the body l. neck region f. of or relating to the side m. between the hips g. eye region n. base of skull ____ 35. lumbar ____ 36. superior ____ 31. cephalic ____ 32. medial ____ 37. inferior ____ 38. lateral ____ 33. sacral ____ 34. occipital ____ 39. cervical ____ 40. thoracic 1. In what part of the world did Charles Darwin observe many kinds of unique organisms that were, nevertheless, clearly related to species found elsewhere? a. Africa c. New Zealand b. the Galapagos Islands d. The Hawaiian Island 2. What type of rock are most fossils found in? a. sedimentary rock c. mineral ore b. igneous rock d. metamorphic rock 3. The DNA of chimpanzees and humans is ___ percent identical. a. 90 c. 50 b. 75 d. 99 4. What is the process in which an organism uses the energy from chemical reactions to produce food? a. chemosynthesis c. photosynthesis b. aerobic respiration d. cellular respiration 5. Suppose you are traveling on a new road that cuts through a previously undisturbed hill. Four different layers of sedimentary rock are revealed on the cut side of the hill. Which layer of rock is likely to have the oldest fossils? a. the bottom layer c. the second layer from the bottom b. the second layer from the top d. the top layer 6. What are organisms that make their own food? a. fossils c. heterotrophs b. autotrophs d. consumers 7. What is a structure in an organism that has no function? a. homologous structure c. comparative structure b. vestigial structure d. biochemical structure 8. What are organisms that get their energy from organic materials in the environment? a. consumers c. heterotrophs b. fossils d. autotrophs 9. During which era of geologic time did the oxygen revolution probably occur?

a. the Paleozoic Era c. the Cenozoic Era b. the Mesozoic Era d. the Archeozoic Era 10. Another naturalist had ideas similar to Darwin's about evolution. In fact, Darwin presented both his ideas and those of __________ to a group of scientists. a. Charles Lyell b. Alfred Wallace