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