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