SCIENCE 5463 (SCIENCE5463)

1. Which branching structures carry information toward the cell body of a neuron? a. Synapses b. Axons c. Dendrites d. Nodes of Ranvier ANS: C 2. The neurotransmitters such as acetylcholine (ACh) are stored within the a. tips of the dendrites. b. cell body. c. postsynaptic receptors. d. axon terminals. ANS: D 3. What is the name of the space between the axon of one neuron and the dendrite of a second neuron? a. Vesicle b. Cell body c. Synapse d. Node of Ranvier ANS: C 4. What ...

1. The stratum germinativum and the stratum corneum are layers of the a. epidermis. b. hypodermis. c. subcutaneous tissue. d. dermis. ANS: A 2. Which of the following is associated with tanning? a. Sudoriferous glands b. Apocrine glands c. Arrector pili muscles d. Melanocytes ANS: D 3. Who or what is covered with vernix caseosa? a. A pregnant woman b. A toddler c. A fetus d. The pregnant uterus ANS: C 4. Which word is most descriptive of sudoriferous? a. Yellow b. Sweat

1. B and T cells are a. tonsils. b. lymphocytes. c. lymph nodes. d. antibodies. ANS: B 2. What is the effect of a massive release of histamine? a. Jaundice b. Anemia c. Thrombosis d. Wheezing and hypotension ANS: D 3. What is the name of a severe hypersensitivity reaction? a. Cyanosis b. Immunocompetence c. Autoimmunity d. Anaphylaxis ANS: D 4. If you had measles as a child, which of the following best describes your immunity to measles? a. Artificially acquired active immuni...

1. Which of the following is a nitrogen-containing waste product? a. Glucose b. Adenosine triphosphate c. Carbon dioxide d. Urea ANS: D 2. Which of the following is a waste product of the aerobic glucose metabolism? a. ATP b. CO2 c. Urea d. Glycogen ANS: B 3. Glucose is usually broken down to a. make carbon dioxide. b. provide energy (ATP) for the working cells. c. use up urea. d. make glycogen. ANS: B 4. Which of the following are building blocks of protein? a. Monosaccharide...

1. Which of the following is defined as a disease-producing microorganism? a. Normal flora b. Pathogen c. Arthropod d. Parasite ANS: B 2. Which word best characterizes Typhoid Mary? a. Immune b. Symptomatic c. Carrier d. Fomite ANS: C 3. Which of the following describes the signs and symptoms that develop in response to a pathogen? a. Syndrome b. Allergy c. Infection d. Immunity ANS: C 4. Influenza is best described as a(n) a. localized infection. b. allergic reaction. c. b...

1. The humerus a. is located in the arm. b. is distal to the radius and ulna. c. articulates with the clavicle at the acromioclavicular joint. d. is a bone of the axial skeleton. ANS: A 2. The humerus a. contains the olecranon process. b. articulates distally with the ulna. c. forms a ball-and-socket joint where the olecranon process articulates with the olecranon fossa. d. articulates with the scapula at the sternomanubrial joint. ANS: B 3. The maxilla a. is the cheekbone. b. is ...

1. Which of the following is the major motor tract? a. Cauda equina b. Spinocerebellar c. Pyramidal d. Spinothalamic ANS: C 2. Which of the following is the best description of a motor tract? a. Spinothalamic tract b. Ascending tract c. Descending tract d. Gray matter ANS: C 3. To achieve spinal anesthesia, a -caine drug is injected into the a. lateral ventricle. b. central canal. c. subarachnoid space. d. dorsal root ganglia. ANS: C 4. A hammer strikes the Achilles tendon to e...

1. Which of the following is most related to the “feed-and-breed” system? a. Pyramidal tracts b. Sympathetic nervous system c. Craniosacral outflow d. Rapid heart rate, palpitations, sweating ANS: C 2. Which of the following is most characteristic of the parasympathetic nervous system? a. Adrenergic b. Norepinephrine c. Fight-or-flight response d. Feed-and-breed system ANS: D 3. Which neurotransmitter is secreted by a cholinergic fiber? a. Adrenaline b. Epinephrine c. Acetylch...

1. Which structure is commonly called the bag of waters (it breaks prior to delivery and often signals the onset of labor)? a. Primary germ layers b. Morula c. Amniotic sac d. Blastocyst ANS: C 2. What term describes the ectoderm, mesoderm, and endoderm? a. Inner cell mass b. Extraembryonic membranes c. Primary germ layers d. Blastomeres ANS: C 3. What is the outer extraembryonic membrane that forms finger-like projections called villi and helps form the placenta? a. Amnion b. Ch...

1. The seminiferous tubules a. are located in the pelvic cavity. b. are tightly coiled structures that produce sperm. c. secrete testosterone. d. are primarily concerned with ejaculation. ANS: B 2. The scrotum a. makes sperm. b. is a sac located between the thighs and holds the testicles. c. secretes androgens. d. contains the prostate gland and urethra. ANS: B 3. What is the coiled structure that sits on top of the testes and is the place where sperm mature? a. Scrotum b. Epididym...