Navigation » List of Schools » Prince George Community College » Biology » Bio 2050 – Anatomy and Physiology » Summer 2021 » Lecture Exam 1
Below are the questions for the exam with the choices of answers:
Question #1
A a small structure within a cell.
B the basic structural unit of all living organisms.
C a structure composed of several tissue types.
D a group of cells with similar structure and function.
Question #2
A Merkel cells
B keratinocytes
C Langerhans cells
D melanocytes
Question #3
A negative feedback.
B metabolism.
C positive feedback.
D neutral feedback.
Question #4
A digestive system.
B respiratory system.
C endocrine system.
D skeletal system.
Question #5
A packaging “cell products” for export.
B manufacturing lipids.
C protein synthesis.
D cell movement and cell shape.
Question #6
A one specific ion or molecule
B two different ions or molecules in the same direction
C two of the same ions or molecules in the same direction
D two different ions or molecules in opposite directions
Question #7
A ruptures.
B floats.
C loses water.
D gains water.
Question #8
A histology
B radiology
C gross anatomy
D physiology
Question #9
A nervous
B cardiovascular
C lymphatic
D urinary
Question #10
A an increase in the distance the molecules have to travel
B an increase in the viscosity of the solvent
C an increase in the temperature
D an increase in the molecular weight of the diffusing particles
Question #11
A phagocytosis.
B calmly regulated diffusion.
C biocytosis.
D pinocytosis.
Question #12
A produce a secretion that protects the body from growth of bacteria.
B serve as “anchors” for the arrector pili muscles.
C produce a secretion that oils the hair and skin.
D aid in cooling the body.
Question #13
A Water cannot move through the membrane.
B Polar molecules are transported more easily than nonpolar molecules.
C Lipid-soluble substances pass through the membrane by dissolving in the lipid bilayer.
D Generally, cations pass through the membrane more easily than anions.
Question #14
A oxygen
B water
C sodium
D urea
Question #15
A regulation of acid-base balance.
B production of Vitamin E.
C protection from cancer.
D detection of heat and touch.
Question #16
A adipose tissue
B cardiac muscle tissue
C simple columnar epithelium
D areolar connective tissue
Question #17
A have polar fatty acid tails.
B have polar phosphate heads.
C create a non-selectively permeable barrier.
D form a monolayer.
Question #18
A Secretions from sebaceous glands oil the hair and skin.
B Most sebaceous glands are connected by a duct to the upper portion of the hair follicle.
C Secretions from sebaceous glands provide protection against bacteria.
D Sebaceous glands are an example of apocrine glands.
Question #19
A stratum granulosum
B stratum spinosum
C stratum basale
D stratum lucidum
Question #20
A stratum granulosum
B stratum spinosum
C stratum corneum
D stratum lucidum
Question #21
A When a person drinks large quantities of water, urine output decreases to raise blood volume.
B Elevated blood glucose levels cause insulin secretion to decline.
C As body temperature rises, sweating occurs to cool the body.
D Decreases in blood pressure cause a corresponding decrease in heart rate.
Question #22
A cisternae
B chromosome
C cytosol
D cristae
Question #23
A epithelial, skeletal, connective, reticular
B connective, skeletal, epithelial, nervous
C muscle, nervous, skeletal, connective
D epithelial, connective, muscle, nervous
Question #24
A channel protein
B enzymes
C receptor proteins
D marker molecules
Question #25
A melanocytes.
B dermal striae.
C melanocytes.
D dermal papillae.
Question #26
A stop moving across the membrane
B move across the membrane to the inside of the cell
C move across the membrane to the outside of the cell
D move across the membrane, but equally in both directions
Question #27
A the combination of growth, self-repair, and energy release.
B the production of energy by cells.
C an amplification of deviation from the normal range.
D the maintenance of a relatively constant environment within the body.
Question #28
A endocytosis.
B diffusion.
C facilitated diffusion.
D passive transport.
Question #29
A As blood pressure falls, blood flow to cardiac (heart) muscle decreases.
B Elevated blood glucose levels cause insulin secretion (insulin causes cells to take up glucose) to increase.
C Men working in a hot environment drink large quantities of water, and their urine volume increases.
D As the mean blood pressure gradually increases in aging people, the blood vessel walls become thinner.
Question #30
A The hypodermis is a site of fat storage.
B The hypodermis attaches the skin to underlying bone and muscle.
C Hypodermis is composed of dense connective tissue with collagen and elastin fibers.
D Hypodermis is referred to as subcutaneous tissue.
Question #31
A adhering junctions
B tight junctions
C desmosomes
D gap junctions
Question #32
A osetocyte and elastic fibers
B ground substance and fibers
C fibroblast and fibers
D cells and fibers
Question #33
A histology
B developmental
C regional
D systemic
Question #34
A microtubule
B centriole
C mitochondrion
D nucleus
Question #35
A are found only on endoplasmic reticulum.
B allow cells to recognize one another.
C utilize the G protein complex to function.
D provide a tunnel through which ions or molecules can enter or leave the cell.
Question #36
A produce ATP.
B produce secretory vesicles.
C digest lipids.
D control and coordinate cellular activities.
Question #37
A stratum spinosum, stratum basale, stratum lucidum, stratum corneum, and stratum granulosum
B stratum basale, stratum granulosum, stratum lucidum, stratum spinosum, and stratum corneum
C stratum lucidum, stratum granulosum, stratum corneum, stratum basale, and stratum spinosum
D stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum
Question #38
A 51243
B 12534
C 23415
D 34251
Question #39
A stratum granulosum.
B stratum corneum.
C stratum lucidum.
D stratum basale.
Question #40
A integumentary
B cardiovascular
C lymphatic
D hormonal
Question #41
A is a rigid protein membrane.
B has a single layer of phospholipids.
C regulates movement of materials into and out of the cell.
D separates the nucleus from the rest of the cell.
Question #42
A proteins, lipids, and carbohydrates.
B carbohydrates, ions, and lipids.
C proteins and carbohydrates.
D lipids and ions.
Question #43
A vitamin D
B vitamin A
C vitamin B
D vitamin C
Question #44
A protein carriers
B concentration gradient
C aquaporins
D cell membrane
Question #45
A active transport.
B diffusion.
C endocytosis.
D facilitated diffusion.
Question #46
A receptor proteins
B marker molecules
C carrier proteins
D channel protein
Question #47
A radiology
B gross anatomy
C histology
D physiology
Question #48
A The epidermis is nourished by blood vessels located in the dermis.
B The dermis is superficial to the epidermis.
C The epidermis contains numerous blood vessels.
D The most numerous cells in the epidermis are the melanocytes.
Question #49
A it is anchored to a basement membrane
B it lacks blood vessels
C it functions in secretion, absorption, and excretion
D epithelial cells are loosely packed and have little intercellular material
Question #50
A approximately the same number of melanocytes as races with darker skins.
B fewer melanocytes than races with darker skins.
C more melanocytes than races with darker skins.
D more melanin in their skin.
Question #51
A The internal environment of the body is maintained in a relatively stable condition.
B Each tissue type is composed of cells that have a similar structure and function.
C The basic structural unit of the body is the cell.
D Moveable joints allow us to bend our fingers to perform many different actions.
Question #52
A marker molecules
B receptor proteins
C enzymes
D channel protein
Question #53
A of higher concentration to a region of lower concentration.
B inside the cell to a region outside the cell.
C outside the cell to a region inside the cell.
D of lower concentration to a region of higher concentration.
