HLTH MISC BIO 345 Online Quizzes with Answers Walden Spring 2024

Question 1 1. Living organisms are different from inanimate objects because they ________. respond to environmental stimuli evolve maintain homeostasis contain DNA All of the above are true. 0.5 points Question 2 1. Cells that possess a nucleus and are complex due to a membrane system that establishes internal compartments belong in which of the following groups? bacteria eukaryotic virus Archaea 0.5 points Question 3 1. Which of the following is not a characteristic of all living things? They are composed of multiple cells. They have adaptive traits. They contain carbohydrates, proteins, lipids, and nucleic acids. They respond to stimuli. 0.5 points Question 4 1. Which of the following membranes covers the outside of the body and has waterproofing properties? serous mucous cutaneous synovial 0.5 points Question 5 1. Which membranes line the passageways that open to the exterior of the body, including those of the respiratory, digestive, reproductive, and urinary systems in the body? serous mucous cutaneous synovial 0.5 points Question 6 1. Which of the following cavities contains the brain? pelvic cranial abdominal thoracic 0.5 points Question 7 1. The ability of the human body to maintain a relatively constant internal environment is known as ________. positive feedback stabilization homeostasis regulation 0.5 points Question 8 1. A population differs from an ecosystem because ________. an ecosystem includes a community, whereas a population does not a population consists of all living organisms in an area, whereas an ecosystem consists of only one species a population consists of all living organisms in the area, whereas an ecosystem consists of all living and nonliving aspects of an area an ecosystem and a population are identical; they are two terms for the same concept 0.5 points Question 9 1. The smallest functional unit of life is known as a(n) ________. Tissue Organ Cell Macromolecule 0.5 points Question 10 1. A(n) ________ is a group of similar cells that perform the same function. Organ Cell group Tissue Question 1 1. The ability of the human body to maintain a relatively constant internal environment is known as ________. homeostasis positive feedback stabilization regulation 0.5 points Question 2 1. A(n) ________ is a group of similar cells that perform the same function. Cell group Macromolecule Tissue Organ 0.5 points Question 3 1. A population differs from an ecosystem because ________. an ecosystem includes a community, whereas a population does not a population consists of all living organisms in the area, whereas an ecosystem consists of all living and nonliving aspects of an area a population consists of all living organisms in an area, whereas an ecosystem consists of only one species an ecosystem and a population are identical; they are two terms for the same concept 0.5 points Question 4 1. A(an) _________ is a structure with two or more tissues working together to perform a function. Organ Cell Organ system Macromolecule 0.5 points Question 5 1. Which of the following cavities contains the heart? cranial pelvic abdominal thoracic 0.5 points Question 6 1. Which membranes line the passageways that open to the exterior of the body, including those of the respiratory, digestive, reproductive, and urinary systems in the body? mucous synovial serous cutaneous 0.5 points Question 7 1. Which of the following membranes covers the outside of the body and has waterproofing properties? serous synovial cutaneous mucous 0.5 points Question 8 1. Which of the following is not a characteristic of all living things? They respond to stimuli. They contain carbohydrates, proteins, lipids, and nucleic acids. They have adaptive traits. They are composed of multiple cells. 0.5 points Question 9 1. What most sets humans apart from all other living species? Opposable thumbs Culture Mammalian characteristics Large brain relative to body size 0.5 points Question 10 1. Living organisms are different from inanimate objects because they ________. respond to environmental stimuli evolve maintain homeostasis contain DNA All of the above are true. Question 1 1. Proteins made by ribosomes attached to the membrane of this organelle which is a network of channels become part of the plasma membrane. microtubule Golgi complex rough endoplasmic reticulum smooth endoplasmic reticulum 0.5 points Question 2 1. When old cells die they are digested by the body in a process called apoptosis. What organelle would be most active during this time? lysosome nucleus endoplasmic reticulum mitochondria 0.5 points Question 3 1. Which of these molecules is most abundant in the plasma membrane? phospholip ids proteins cholesterol carbohydr ates 0.5 points Question 4 1. Heart muscle works continuously and consumes much energy. Which organelle would you expect to be abundant in heart muscle cells? smooth endoplasmic reticulum lysosomes ribosomes mitochondria 0.5 points Question 5 1. A type of connective tissue proper which acts as packing material which wraps around and cushions organs is called dense irregular connective tissue loose adipose connective tissue loose areolar connective tissue dense regular connective tissue 0.5 points Question 6 1. All connective tissue contains cells embedded in an extracellular cytos ol matri x fiber ambe r 0.5 points Question 7 1. Glands that release their product directly into the bloodstream are merocri ne endocri ne exocrin e holocrin e 0.5 points Question 8 1. Which is NOT a primary tissue? areolar tissue connective tissue nervous tissue epithelial tissue 0.5 points Question 9 1. Many proteins move sideways within the plasma membrane giving it a mobile and fluid quality. Because of this the membrane is described as being a fluid _________. recepto r permea ble mosaic adhesio n 0.5 points Question 10 1. Strong protein fibers found in connective-tissue matrix which are strong and resist pulling are called _________ fibers. collag en elastic fibrin reticul ar Question 4 1. The lining of the stomach is primarily composed of epithelial cells connective tissue cells muscle cells adipose cells Question 1 1. All membranes contain which two types of tissues? adipose tissue and loose areolar connective tissue epithelium and dense irregular connective tissue adipose tissue and dense irregular connective tissue epithelium and loose areolar connective tissue 0.5 points Question 2 1. Which of the following is NOT a protein fiber found in connective tissue? reticular fiber collagen fiber elastic fiber stellate fiber 0.5 points Question 3 1. The layer of stratified epithelial tissue that contacts connective tissue is called the apical surface superior membrane lateral surface basement membrane (basal lamina) 0.5 points Question 4 1. Fevers are caused by chemical molecules called ________ which raise the body temperature to help fight bacterial infections. pyrogens compleme nts antibodies histamine s 0.5 points Question 5 1. Which of the following are NOT part of the first line of body defenses? mucous and cilia in the respiratory tract defensive proteins hydrochloric acid in the stomach oil glands of the skin 0.5 points Question 6 1. An immune response to a cancer cell is part of the body's _______ line of defense. first seco nd third fourt h 0.5 points Question 7 1. Which of the following is NOT one of the four signs of inflammation? redne ss fever pain swelli ng 0.5 points Question 8 1. Microorganisms, such as bacteria and viruses, which cause disease are called antibodi es prions pyroge ns pathog ens 0.5 points Question 9 1. Cancer cells were once normal cells, but, can no longer regulate cell division because of mutations to their plasma membrane RNA cytoplasm Genes I think 0.5 points Question 10 1. A type of phagocytic white blood cell called a ___________ arrives at the site of attack before other types of white blood cells. lymphoc yte basophil monocyt e neutroph il Question 1 1. The epithelium of a cutaneous membrane would be considered stratified epithelium simple epithelium complex epithelium mucous epithelium 0.5 points Question 2 1. Blood is considered a connective tissue. What is the name of its matrix? platlet leukocyt e erythroc yte plasma 0.5 points Question 3 1. The thoracic cavity is lined by which type of membrane? cutane ous mucous synovia l serous 0.5 points Question 4 1. Which of the following are NOT part of the first line of body defenses? mucous and cilia in the respiratory tract hydrochloric acid in the stomach defensive proteins oil glands of the skin 0.5 points Question 5 1. The prime targets of white blood cells called natural killer cells are parasitic worms bacteria cancer cells macrophage s 0.5 points Question 6 1. The two important characteristics of the immune system (third line of defense) are specific responses and ________. memory differentiat ion phagocyto sis antibodies 0.5 points Question 7 1. What is the purpose of inflammation? raises the temperature in the area so bacteria cannot grow dilate blood vessels so more white blood cells get to the site of infection produces antibodies which attach to pathogens cause pain so the individual is aware of the infection 0.5 points Question 8 1. A type of phagocytic white blood cell called a ___________ arrives at the site of attack before other types of white blood cells. lymphoc yte neutroph il basophil monocyt e 0.5 points Question 9 1. A cutaneous membrane is part of the _______ line of defense forming physical barriers to pathogens. first seco nd third fourt h 0.5 points Question 10 1. Cancer cells were once normal cells, but, can no longer regulate cell division because of mutations to their plasma membrane cytoplasm genes RNA 1. What is the term for the first somatic cell in a child? pluripotent stem cell zygote embryonic stem cell aneuploidy 0.5 points Question 2 1. A hormone is produced by which of the following types of glands? apocrin e endocri ne holocri ne exocrin e 0.5 points Question 3 1. The layer of stratified epithelial tissue that contacts connective tissue is called the lateral surface superior membrane apical surface basement membrane (basal lamina) 0.5 points Question 4 1. Precancerous cells are known as metastatic carcinoma dysplasia invasive carcinoma carcinoma in situ 0.5 points Question 5 1. A cancerous tumor which is only a millimeter in diameter and has not extended into the basal lamina is known as dysplasia invasive carcinoma metastatic carcinoma carcinoma in situ 0.5 points Question 6 1. The spread of cancer cells from one part of the body to another is called metasta sis metapla sia anaplasi a dysplasi a 0.5 points Question 7 1. Cancer of glands occurs in which type of primary tissue? epithelial tissue connective tissue adipose tissue embryonic tissue 0.5 points Question 8 1. If a tumor is to continue growing, it must attract a nerve supply other cancer cells a blood supply growth factors 0.5 points Question 9 1. Once a cancer has metastasized from the original tumor, treatment usually involves surgery or chemotherapy surgery chemotherapy or radiation surgery or radiation 0.5 points Question 10 1. __________ is responsible for 90% of the deaths of people with cancer. clonal evolution angiogenesi s carcinogenei s metastasis A tumor which invades surrounding tissue and spreads to other locations throughout the body is called a/an carcinoma in situ malignant neoplasm dysplasia benign neoplasm Proteins produced by the cell for extracellular use are released from a cell through a process known as exocytosi s phagocyt osis endocytos is pinocytosi s Question 1 1. Which of the following is NOT a protein fiber found in connective tissue? elastic fiber collagen fiber stellate fiber reticular fiber 0.5 points Question 2 1. A normal cell with 23 chromosomes is called _________ and is an example of a __________. diploid; gamete haploid; gamete haploid; somatic cell diploid; somatic cell 0.5 points Question 3 1. What is the term for the first somatic cell in a child? zygote embryonic stem cell pluripotent stem cell aneuploidy 0.5 points Question 4 1. Of the 200-600 million sperm deposited in the vagina, only about ______ reach the site of fertilization in the oviduct. 200 4,000 16,00 0 170,0 00 0.5 points Question 5 1. Bone, muscle, and connective tissue are formed from which of the primary germ layers? endoder m mesode rm exoder m ectoder m 0.5 points Question 6 1. What is the term for the rapid series of mitotic cell divisions which a zygote undergoes after fertilization? gastrulati on morulatio n cleavage implantat ion 0.5 points Question 7 1. What is the term for cell differentiation which forms the three primary germ layers? morulati on cleavage gastrulat ion neurulati on 0.5 points Question 8 1. The somatic cell which is produced from fertilization is called a/an morula blastocyst embryonic stem cell zygote 0.5 points Question 9 1. Gastrulation occurs during the _____________ period of development. preembryonic germinal embryonic fetal 0.5 points Question 10 1. _________________ is the term for thetime a pre-embryo, embryo, or fetus is carried in the female reproductive tract. gestation gastrulat ion fetal period morulati on Question 1 1. The neural tube, which will become the central nervous system, is formed in tissue from which originates in which of the three primary germ layers? ectoder m endoder m exoder m mesode rm 0.5 points Question 2 1. Unless fertilization occurs, an oocyte lives about ______ hours after ovulation. 6-10 12- 24 18- 30 21- 48 0.5 points Question 3 1. Gastrulation occurs during the _____________ period of development. fetal embryonic preembryonic germinal 0.5 points Question 4 1. _________________ is the term for thetime a pre-embryo, embryo, or fetus is carried in the female reproductive tract. fetal period gestation gastrulat ion morulati on 0.5 points Question 5 1. What is the term for cell differentiation which forms the three primary germ layers? morulati on cleavage gastrulat ion neurulati on 0.5 points Question 6 1. How many chromosomes are in a gamete? 1 2 2 3 4 6 9 2 0.5 points Question 7 1. Birth occurs approximately _____ days after fertilization. 22 4 24 5 26 6 29 7 0.5 points Question 8 1. A hormone is produced by which of the following types of glands? endocri ne apocrin e exocrin e holocri ne 0.5 points Question 9 1. A normal cell with 23 chromosomes is called _________ and is an example of a __________. haploid; gamete diploid; gamete haploid; somatic cell diploid; somatic cell 0.5 points Question 10 1. Which of the following is a unicellular gland which would be found in the mucous membrane of the respiratory system? sebaceous cell goblet cell holocrine cell acinar cell Question 1 1. Which of the following is a unicellular gland which would be found in the mucous membrane of the respiratory system? holocrine cell acinar cell sebaceous cell goblet cell 0.5 points Question 2 1. What is the term for a stem cell dividing into gametes which have 23 chromosomes? diploid meiosis differentiat ion mitosis 0.5 points Question 3 1. A normal cell with 23 chromosomes is called _________ and is an example of a __________. diploid; gamete diploid; somatic cell haploid; gamete haploid; somatic cell 0.5 points Question 4 1. Skin contains an epithelium and connective tissue and is a membrane known as the ___________ membrane. synovia l cutane ous mucous serous 0.5 points Question 5 1. What is the name of the cells which produce the brown pigment in skin? melanocyt es macrophag es pigmentoc ytes keratinocyt es 0.5 points Question 6 1. Which of the following is not considered a layer of the skin? hypoder mis epidermi s dermis sdfsdfasdf 0.5 points Question 7 1. Why does the skin not get thinner as the cells are shed from the surface? The epidermis is avascular The dermis constantly replaces cells The deepest layer of the epidermis continuously undergoes mitosis. The outer layer of the epidermis does not loose cells 0.5 points Question 8 1. Skin is an organ system properly known as the ____________ system. integumen tary cutaneous renal lymphatic 0.5 points Question 9 1. Modified cholesterol molecules in the epidermis are converted to __________ by ultraviolet radiation. phospholipids vitamin C steroid hormones vitamin D 0.5 points Question 10 1. The protective properties of epidermis is due to a protein called actin elastin kerati n collag en Question 1 1. The largest and most prominant part of the brain which contains regions for thinking, sensory perception, motor activity, personality, and memory is the thalamu s brain stem cerebell um cerebru m 0.5 points Question 2 1. The region of the brain which contains the reflex centers for many of the most vital functions of the body, including breathing rhythum, rate of heart contraction, and blood pressure, is called the cerebell um brain stem cerebru m thalamu s 0.5 points Question 3 1. Which of the following is NOT part of the brain stem? midbrain pons cerebellum medulla oblongata 0.5 points Question 4 1. The surface of the cerebrum contains ridges which increase the surface area of the gray matter allowing for more neurons. One of these ridges is called a/an sulcus basal nucleus gyrus fissure 0.5 points Question 5 1. The region of the brain which coordinates sensory-motor voluntry movement and memory of learned motor patterns is called the brain stem thalamu s cerebru m cerebell um 0.5 points Question 6 1. Regions of the cerebrum which contain primarily myelinated axons and which lie deep to the cerebral cortex are called cerebral red matter black matter gray matter white matter 0.5 points Question 7 1. What is the term for a stem cell dividing into gametes which have 23 chromosomes? mitosis diploid differentiat ion meiosis 0.5 points Question 8 1. Which of the following organelles are the site at which amino acids are assembled into proteins? ribosome centriole smooth endoplasmic reticulum nucleus 0.5 points Question 9 1. Mitochondria use oxygen and _________ to make energy (ATP) and _________. glucose; heat glycogen; actin glycogen; hydrogen glucose; carbon monoxide 0.5 points Question 10 1. Human white blood cell will ingest and destroy bacteria by a process known as ____________. receptor-mediated endocytosis phagocytosis pinocytosis exocytosis The region of the brain involved in thinking and personality which is resonsible for most of our human characteristics is called the medulla oblongata midbrain cerebrum cerebellum Question 1 1. 1. The internal lining of the uterus is called the perimetriu m cervix uterine wall endometri um 0.5 points Question 2 1. The tube through which an oocyte moves from the ovary to the uterus is called ductus deferens cervical canal oviduct urethra 0.5 points Question 3 1. 1. The duct in which sperm is stored and mature is called the epididymi s urethra vas deferens testis 0.5 points Question 4 1. The narrowest and most inferior part of the uterus is the cervix fundus body and uterine wall endometrium 0.5 points Question 5 1. 1. The tube which drains the bladder is called the ureter vas deferens oviduct urethra 0.5 points Question 6 1. 1. The gonad which produces oocytes is called the testis oviduct ovary seminal vesicle 0.5 points Question 7 1. 1. The gonad which produces sperm is called the testis vas deferens epididymis bulbourethral gland 0.5 points Question 8 1. 1. Is the male or female urethra longer? male female They are the same length 0.5 points Question 9 1. 1. The cervix connects the uterine wall to the vagina vulva uterine body uterine fundus 0.5 points Question 10 1. 1. The structure which produces the hormone estrogen is pituitary gland testis ovary uterus