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